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2,4-Dichlorophenoxyacetic acid
Cas No: 94-75-7
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High purity 2,4-Dichlorophenoxyacetic acid with high quality and best price cas:94-75-7
Cas No: 94-75-7
USD $ 4.0-18.0 / Kilogram 1 Kilogram 99999 Kilogram/Year Hangzhou Dingyan Chem Co., Ltd Contact Supplier
High quality 2,4-Dichlorophenoxyacetic Acid supplier in China
Cas No: 94-75-7
No Data 1 Metric Ton 30 Metric Ton/Month Simagchem Corporation Contact Supplier
94-75-7 Acetic acid,2-(2,4-dichlorophenoxy)-
Cas No: 94-75-7
USD $ 2.0-2.0 / Kilogram 1 Kilogram 100 Metric Ton/Year Hebei yanxi chemical co.,LTD. Contact Supplier
huge stock TC Plant Growth Regulator 2,4-Dichlorophenoxyacetic acid 94-75-7 GLP Manufacturer
Cas No: 94-75-7
USD $ 0.1-0.1 / Gram 1 Gram 100 Metric Ton/Year Xi'an Xszo Chem Co., Ltd. Contact Supplier
Amadis Chemical offer CAS#94-75-7;CAT#A845088
Cas No: 94-75-7
No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
2, 4-Dicholrophenoxyacetic Acid
Cas No: 94-75-7
No Data 1 Metric Ton 1 million Metric Ton/Year COLORCOM LTD. Contact Supplier
2,4-Dichlorophenoxyacetic acid
Cas No: 94-75-7
No Data No Data No Data Shanghai Sunwise Chemical Co., Ltd Contact Supplier
2,4-Dichlorophenoxyacetic acid CAS:94-75-7
Cas No: 94-75-7
USD $ 1.0-1.0 / Kilogram 1 Kilogram 2000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
Factory Supply 2,4-D acid
Cas No: 94-75-7
No Data 1 Gram 36 Metric Ton/Day Ality Chemical Corporation Contact Supplier

94-75-7 Usage

Description

As one of the most inexpensive and oldest weed killers, 2,4-Dichlorophenoxyacetic acid (usually called 2,4-D) is a systemic herbicide that is widely applied all over the world. It is effective to selectively kill a variety of terrestrial and aquatic broadleaf weeds without affecting most grasses, such as cereals, lawn turf, and grassland. Nowadays, 2,4-D is widely used to treat unwanted vegetation in various areas. In the field of forestry, it is used for stump treatment, trunk injection, selective control of brush in conifer forests and used to kill weeds and brush along roadways, railways, and power lines which probably damage equipment or interfere with safe operation. Besides, it is applied to control aquatic weeds for the safety of boating, fishing and swimming or protection of hydroelectric equipment. It is also used to control the spread of invasive, noxious and non-native weed species by government and control various poisonous weeds such as poison ivy and poison oak. In addiction to the forestry use, 2,4-D can also be used as a supplement in plant cell culture media in laboratories as a dedifferentiation hormone.

References

https://www.nrdc.org/stories/24-d-most-dangerous-pesticide-youve-never-heard https://pubchem.ncbi.nlm.nih.gov/compound/1486#section=Top https://en.wikipedia.org/wiki/2,4-Dichlorophenoxyacetic_acid

Description

2,4-D free acids, esters, amines, and salts are formulated in water suspensions or solutions, or in various organic solvents, for application as systemic herbicides that are used postemergence for selective control of broadleaf weeds.

Chemical Properties

2,4-Dichlorophenoxyacetic acid is a white to yellow crystalline powder with a slight phenolic odor. It is used as a herbicide for the selective control of broad-leaved weeds in agriculture, and for the control of woody plants along roadsides, railways, and utilities rights of way. It is one of the most widely used herbicides in the world and is commonly used on crops such as wheat and corn, and on pasture and rangelands. It is also used to control broad-leaved aquatic weeds.

Physical properties

Odorless, white to pale yellow, powder or prismatic crystals. Impure formulations containing 2,4- D as the main component may have a phenolic odor.

Uses

2,4-D is registered with the US Environmental Protection Agency (EPA) for use on a variety of food/feed sites, turf, lawn, aquatic sites, and forestry applications, and as a growth regulator in citrus crops. Residents and professional applicators may use 2,4-D on home lawns.

Uses

2,4-Dichlorophenoxyacetic acid is often formulated as various forms of inorganic salts or esters. 2,4-D was first registered as a herbicide in 1948, and its annual production was estimated at 52–67 million lb in 1990. The primary use of 2,4-D is for control of broadleaf weeds, and as such, it is used for a large spectrum of applications in agriculture, forestry, and lawn care. 2,4-D also is used along right-ofways, on rangelands, parks, and in aquatic environments.

Uses

2,4-D is one of the most widely used herbicides. It is a chlorine-substituted phenoxyacetic acid herbicide used for postemergence control of annual and perennial broad-leaved weeds in fruits, vegetables, turfs and ornamentals.Exposure to this chemical may arisein the garden, farm, or plantation setting,where it is sprayed for weed control andto enhance the plant growth. Its residueshave been detected in soils, sediments, andgroundwater, as well as in tissues of corals(Crockett et al. 1986; Glynn et al. 1984).

Preparation

Two processes are currently used for the production of 2,4-Dichlorophenoxyacetic acid. In the first process, phenol is condensed with chloroacetic acid forming phenoxyacetic acid, which is subsequently chlorinated. In the second process, phenol is chlorinated, generating 2,4-dichlorophenol, which is subsequently condensed with chloroacetic acid. The butyl ester derivative of 2,4-D is produced by the esterification of the acid with butanol in the presence of a ferric chloride catalyst and chlorine (Liu et al., 2013). Preparation of 2,4-Dichlorophenoxyacetic acid

Definition

ChEBI: A chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2 and 4 are substituted by chlorines.

General Description

Odorless white to tan solid. Sinks in water.

Air & Water Reactions

Decomposes rapidly in water.

Reactivity Profile

2,4-Dichlorophenoxyacetic acid is incompatible with strong oxidizers. 2,4-Dichlorophenoxyacetic acid is corrosive to metals.

Health Hazard

The acute toxic symptoms from ingestion,absorption through skin, and inhalation ofits dusts include lethargy, stupor, weakness,incoordination, muscular twitch, nausea, vomiting, gastritis, convulsions, and coma.Death resulted in animals from ventricularfibrillation. In humans, ingestion of 4–6 gof 2,4-D can cause death. The toxic effectsare nausea, vomiting, somnolence, convul-sions, and coma. The oral LD50 value in testanimals varied at 100–500 mg/kg, depend-ing on species, which included dogs, guineapigs, hamsters, rats, mice, and rabbits. Gorzinski and co-workers (1987) have investigated acute, pharmacokinetic, and subchronic toxicity of 2,4-D and its estersand salts in rats and rabbits. The acutedermal LD50 values in rabbits for theacid, esters, and salts were >2000 mg/kg.Urinary elimination of 2,4-D was saturatedin male rats given oral doses of 50 mg/kg.There was a decrease in body weightgain and increase in kidney weightsin animals, resulting from subchronicdietary doses. A dose-related degenerativechange was observed in the proximalrenal tubules. Repeated subcutaneous dosing(150–250 mg/kg) of 2,4-D butyl esterresulted in accumulation of the compoundin the brain, causing neurobehavioral toxicity(Schulze and Dougherty 1988). Alexander and associates (1985) determined the 48-hour median lethal con-centration values for 2,4-D to aquatic organ-isms. These values are 25, 325, 290, and358 mg/L for Daphnia magna, fathead min-nows, bluegill, and rainbow trout, respec-tively.

Fire Hazard

Special Hazards of Combustion Products: Toxic and irritating hydrogen chloride or phosgene gases may form.

Agricultural Uses

Herbicide, Plant growth regulator: 2,4-Dichlorophenoxyacetic acid was introduced as a plant growth-regulator in 1942. 2, 4-D is the most widely used herbicide in the United States and its used in more than 100 countries. It is registered in the United States as a herbicide for control of broadleaf plants and as a plant growth-regulator. There are many forms or derivatives of 2,4-D including esters, amines, and salts. It is used in cultivated agriculture, in pasture and rangeland applications, forest management, home, garden, and to control aquatic vegetation. It may be found in emulsion form, in aqueous solutions (salts), and as a dry compound. The product Agent Orange, made by Monsanto Chemical and used extensively throughout Vietnam, was about 50% 2,4-D. However, the controversies associated with the use of Agent Orange involved a contaminant (dioxin) in the 2,4,5-T component of the defoliant. In 1964 Agent Orange replaced Agent Purple a mixture of the n-butyl esters of 2,4-D and 2,4,5-T plus the isobutyl ester of 2,4,5-T.

Trade name

Hedonal; 2,4-D; Estone; Agrotect; Fernesta; Fernimine; Netagrone; Tributon; Vergemaster; Amoxone; Dicopur; Dormone; Ipaner; Moxone; Phenox; Pielik; Rhodia; Weedone; B-Selektonon.

Potential Exposure

2,4-Dichlorophenoxyacetic acid, was introduced as a plant growth-regulator in 1942. It is registered in the United States as a herbicide for control of broadleaf plants and as a plant growth-regulator. Thus, workers engaged in manufacture, formulation or application are affected, as may be citizens in areas of application. The Vietnam war era defoliant, Agent Orange, was a mixture of 2,4-D and 2,4,5-T.

Carcinogenicity

Collectively, the epidemiological and toxicological data show that 2,4-D is not likely to be carcinogenic in humans unless it is acting through an unknown mechanism that is not evident in animals. According to the calculated RfD and data from exposure studies, the general public should not experience toxic effects from exposure to 2,4-D. Because workers involved in the manufacture or application of 2,4-D may be exposed to levels above the RfD, appropriate protective equipment should be used.

Environmental Fate

2,4-Dichlorophenoxyacetic acid (2,4-d) is rapidly degraded by microbes in soil and water, with a half-life of 3-22 days in different soils. 2,4-d is weakly sorbed by soil with sorption generally increasing with increasing soil organic carbon content. Leaching to groundwater is most likely in coarse-grained sandy soils with low organic content or with very basic soils. In general, little runoff occurs with 2,4-d or its amine salts.

Metabolism

Chemical. 2,4-D and its salts are very stable, but esters are sensitive to hydrolysis under acidic and basic conditions. In the field, 2,4-D losses due to photodegradation are minor. 2,4-D is a strong acid and forms water-soluble salts with amines and alkali metals. A sequestering agent is included in 2,4-D formulations to prevent precipitation of Ca2+ andMg2+ salts in hard water. Plant. 2,4-D detoxification occurs relatively slowly in plants. There are many possible routes of detoxification, and these are usually grouped into those reactions that are consistent with phase I metabolism and those that are consistent with phase II metabolism. Phase I reactions that have been observed to occur with 2,4-D include dechlorination, decarboxylation, hydroxylation, and dealkylation. Phase II reactions that have been observed to occur with 2,4-D include conjugation of the side chain to amino acids, particularly glutamate and aspartate, and glucose conjugation following hydroxylation of the phenoxy ring. Selectivity differences among broadleaf species may be accounted for by differences in the rates of 2,4-D detoxification. Soil. Microbial degradation in the soil involves cleavage of the acid side chain, decarboxylation, hydroxylation, and ring opening.

Shipping

UN3345 Phenoxyacetic acid derivative pesticide, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. A DOT regulated marine pollutant.

Purification Methods

Crystallise 2,4-D from MeOH. It is a plant growth substance, a herbicide and is TOXIC. [Beilstein 6 IV 908.]

Toxicity evaluation

2,4-D is excreted unchanged in the urine of humans and rat. When used under normal conditions, 2,4-D does not appear to produce acute toxic effects on any animal species. The acute oral LD50s of 2,4- D in rat and mouse are 639–764 mg/kg, and 138 mg/kg, respectively.

Incompatibilities

A weak acid, incompatible with bases. Decomposes in sunlight or heat, forming hydrogen chloride and phosgene. Contact with strong oxidizers may cause fire and explosions.

Waste Disposal

Incineration of phenoxys is effective in 1 second @ 982 C, using a straight combustion process or @ 482℃ using catalytic combustion. Over 99% decomposition was reported when small amounts of 2,4-D were burned in a polyethylene bag. See "References" for additional detail. In accordance with 40CFR165, follow (31); recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by follow- ing (100) Package (2) label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.
InChI:InChI=1/C8H6Cl2O3/c9-8(10,7(11)12)13-6-4-2-1-3-5-6/h1-5H,(H,11,12)

94-75-7 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
TCI America (D0396)  2,4-Dichlorophenoxyacetic Acid  >97.0%(T) 94-75-7 25g 120.00CNY Detail
TCI America (D0396)  2,4-Dichlorophenoxyacetic Acid  >97.0%(T) 94-75-7 500g 990.00CNY Detail
Alfa Aesar (A12467)  2,4-Dichlorophenoxyacetic acid, 98%    94-75-7 50g 201.0CNY Detail
Alfa Aesar (A12467)  2,4-Dichlorophenoxyacetic acid, 98%    94-75-7 250g 484.0CNY Detail
Alfa Aesar (A12467)  2,4-Dichlorophenoxyacetic acid, 98%    94-75-7 1000g 1040.0CNY Detail
Supelco (40330)  2,4-Dsolution  certified reference material, 5000 μg/mL in acetonitrile 94-75-7 000000000000040330 533.52CNY Detail
Sigma-Aldrich (76514)  2,4-D  certified reference material, TraceCERT® 94-75-7 76514-100MG 772.20CNY Detail

94-75-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,4-D

1.2 Other means of identification

Product number -
Other names 2,4-dichlorophenoxy-acetic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Pesticides (chemicals used for killing pests, such as rodents, insects, or plants)
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:94-75-7 SDS

94-75-7Synthetic route

methyl 2,4-dichlorophenoxyacetate
1928-38-7

methyl 2,4-dichlorophenoxyacetate

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With hydrogenchloride; para-dodecylbenzenesulfonic acid In water at 160℃; for 1h; Temperature; Reagent/catalyst;99.6%
With toluene-4-sulfonic acid In water at 106℃; for 3h;99.9%
With hydrogenchloride; water for 3h; Reflux;98.3%
2-phenoxyacetic acid
122-59-8

2-phenoxyacetic acid

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With (phthalocyaninato)iron(II); chlorine; acetic acid In water at 75℃; for 0.5h; Concentration; Time;99.8%
With dihydrogen peroxide; chlorine In benzene at 100℃; for 1h;99%
With iron(III) chloride; dimethylsulfide; chlorine In chloroform at 70℃; for 5h; Reagent/catalyst; Solvent; Temperature;99.4%
bromoacetic acid
79-08-3

bromoacetic acid

2,4-dichlorophenol
120-83-2

2,4-dichlorophenol

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
Stage #1: bromoacetic acid With water; potassium hydroxide at 110℃; for 2h; Green chemistry;
Stage #2: 2,4-dichlorophenol With water; sodium hydroxide at 100 - 130℃; for 4.5h; Green chemistry;
Stage #3: With sulfuric acid at 140℃; under 3000.3 Torr; for 2h; Green chemistry;
99.8%
(2-chlorophenoxy)acetic acid
614-61-9

(2-chlorophenoxy)acetic acid

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With N-chloro-N-(benzenesulfonyl)benzenesulfonamide In acetonitrile at 20 - 25℃; for 0.0833333h; Green chemistry;99.7%
With hydrogenchloride; sodium chlorate; acetic acid
chloroacetic acid
79-11-8

chloroacetic acid

2,4-dichlorophenol
120-83-2

2,4-dichlorophenol

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
Stage #1: chloroacetic acid With sodium hydroxide In water for 1h;
Stage #2: 2,4-dichlorophenol With potassium hydroxide In water for 1h;
Stage #3: With tetrabutylammomium bromide; potassium bromide In water at 130℃; for 2h; Reagent/catalyst; Temperature;
99.6%
Stage #1: chloroacetic acid With water; sodium carbonate at 100℃; for 1h; Green chemistry;
Stage #2: 2,4-dichlorophenol With water; potassium hydroxide at 90 - 100℃; for 6h; Green chemistry;
Stage #3: With hydrogenchloride In water at 150℃; under 4500.45 Torr; for 2h; Reagent/catalyst; Temperature; Green chemistry;
99.7%
With sodium hydroxide Irradiation;95%
ethyl 2,4-dichlorophenoxyacetate
533-23-3

ethyl 2,4-dichlorophenoxyacetate

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With sodium hydroxide at 100℃; for 2h;99.5%
With water; sodium hydroxide for 0.5h; Reflux;99.5%
With water; sodium hydroxide for 0.5h; Reflux;99.6%
methyl 2,4-dichlorophenoxyacetate
1928-38-7

methyl 2,4-dichlorophenoxyacetate

A

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

B

methylene chloride
74-87-3

methylene chloride

Conditions
ConditionsYield
With hydrogenchloride; zinc(II) chloride In water at 140℃; for 4h; Reagent/catalyst; Temperature;A 99.6%
B 98.1%
2,4-dichlorophenoxyacetic acid isooctyl ester
3035-67-4

2,4-dichlorophenoxyacetic acid isooctyl ester

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With sulfuric acid for 3h; Reagent/catalyst; Reflux;99.5%
With sulfuric acid for 3h; Reflux;99.3%
With hydrogenchloride In water for 6h; Reagent/catalyst; Reflux;222 g
Amchem Weed Killer 650
94-11-1

Amchem Weed Killer 650

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With water; sodium hydroxide Reflux;99.5%
With sulfuric acid at 90℃; for 2h; Large scale;2202.1 g
With hydrogenchloride In water at 60℃; for 4h; Large scale;2200.7 g
With hydrogenchloride; water at 60℃; for 4h; Large scale;2196.3 g
With hydrogenchloride In water at 60℃; for 4h;219.49 g
Fernesta
94-80-4

Fernesta

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With water; sodium hydroxide for 0.5h; Reflux;99.3%
With toluene-4-sulfonic acid In water; butan-1-ol at 120℃; for 2h;99.3%
Stage #1: Fernesta With sodium hydroxide at 100℃; for 23h;
Stage #2: With sulfuric acid
2200 kg
propyl 2,4-dichlorophenoxyacetate
1928-61-6

propyl 2,4-dichlorophenoxyacetate

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With sulfuric acid for 3h; Reflux;99.3%
With sulfuric acid for 3h; Reflux;221 g
potassium salt of 2,4-dichlorophenol
50884-30-5

potassium salt of 2,4-dichlorophenol

bromoacetic acid
79-08-3

bromoacetic acid

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
Stage #1: bromoacetic acid With D-sorbitol; sulfuric acid In toluene for 8h;
Stage #2: potassium salt of 2,4-dichlorophenol for 4h;
Stage #3: With tetrabutyl phosphonium bromide; acetic acid In water for 6h; Reflux;
99.3%
chloroacetic acid
79-11-8

chloroacetic acid

phenol
108-95-2

phenol

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
Stage #1: chloroacetic acid With sodium ethanolate In ethanol
Stage #2: phenol With sodium carbonate In ethanol; water at 110℃;
Stage #3: With aluminum (III) chloride; sulfuryl dichloride In ethanol; water at 30 - 100℃; for 10h; Reagent/catalyst; Solvent; Temperature;
99.2%
sodium 2,4-dichlorophenoxyacetate
2702-72-9

sodium 2,4-dichlorophenoxyacetate

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With hydrogenchloride In water98.3%
With hydrogenchloride In water at 0 - 150℃; pH=1 - 2; Reagent/catalyst; Temperature; Large scale;221 kg
2-Phenoxyethanol
122-99-6

2-Phenoxyethanol

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
Stage #1: 2-Phenoxyethanol With dihydrogen peroxide; sodium hydroxide; manganese(ll) chloride In water at 160℃; for 12h;
Stage #2: With chlorine; dimethylphenylsulfide; magnesium chloride pH=Ca. 10; Temperature; Reagent/catalyst;
96.2%
Stage #1: 2-Phenoxyethanol With silica gel; ozone In water at 120℃; for 12h;
Stage #2: With sulfuryl dichloride; formamide In water at 80℃; Reagent/catalyst;
217.4 g
Multi-step reaction with 2 steps
1: aluminum oxide; chlorine / 0.5 h / -20 °C
2: oxygen / water / 90 - 130 °C / 5250.53 Torr
View Scheme
sodium monochloroacetic acid
3926-62-3

sodium monochloroacetic acid

sodium 2,4-dichlorophenolate
3757-76-4

sodium 2,4-dichlorophenolate

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
at 130℃; for 5h;90%
Stage #1: sodium monochloroacetic acid; sodium 2,4-dichlorophenolate at 130℃; for 5h;
Stage #2: With hydrogenchloride In water at 10℃; for 1h;
204 g
Stage #1: sodium monochloroacetic acid; sodium 2,4-dichlorophenolate at 150℃; for 5h;
Stage #2: With hydrogenchloride In water at 10℃; for 1h; Temperature; Reagent/catalyst; Solvent;
221 g
sodium monochloroacetic acid
3926-62-3

sodium monochloroacetic acid

2,4-dichlorophenol
120-83-2

2,4-dichlorophenol

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water for 1h; Reflux;81.6%
benzene
57357-22-9

benzene

A

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

B

iodobenzene
591-50-4

iodobenzene

C

2,4-dichlorophenyl 2,4-dichlorophenoxyacetate
5253-45-2

2,4-dichlorophenyl 2,4-dichlorophenoxyacetate

D

2,4-dichlorophenoxymethyl 2,4-dichlorophenoxyacetate
83143-98-0

2,4-dichlorophenoxymethyl 2,4-dichlorophenoxyacetate

Conditions
ConditionsYield
at 200℃; for 0.05h; Heating;A 15%
B 71%
C 15%
D 64%
4-Chlorophenoxyacetic acid
122-88-3

4-Chlorophenoxyacetic acid

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium chlorate; acetic acid
2-(2,4-dichlorophenoxy)acetonitrile
3956-63-6

2-(2,4-dichlorophenoxy)acetonitrile

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With sodium hydroxide
2,4-dichlorophenoxyacetic acid amine
1982-42-9

2,4-dichlorophenoxyacetic acid amine

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With sodium hydroxide
sodium 2,4-dichlorophenolate
3757-76-4

sodium 2,4-dichlorophenolate

ethyl bromoacetate
105-36-2

ethyl bromoacetate

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With ethanol Erwaermen des Reaktionsgemisches mit wss. NaOH;
DL-1-(2,4-Dichlor-phenoxy)-3-<2-(3,4-dimethoxyphenyl)-ethylamino>propan-2-ol
104970-08-3

DL-1-(2,4-Dichlor-phenoxy)-3-<2-(3,4-dimethoxyphenyl)-ethylamino>propan-2-ol

A

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

B

1-Amino-3-(2,4-dichloro-phenoxy)-propan-2-ol
23106-02-7

1-Amino-3-(2,4-dichloro-phenoxy)-propan-2-ol

C

3-(2,4-dichloro-phenoxy)-propane-1,2-diol
34646-53-2

3-(2,4-dichloro-phenoxy)-propane-1,2-diol

D

2-(3,4-dimethoxyphenyl)-ethylamine
120-20-7

2-(3,4-dimethoxyphenyl)-ethylamine

E

4-{2-[3-(2,4-Dichloro-phenoxy)-2-hydroxy-propylamino]-ethyl}-2-methoxy-phenol
121185-84-0

4-{2-[3-(2,4-Dichloro-phenoxy)-2-hydroxy-propylamino]-ethyl}-2-methoxy-phenol

F

2,4-dichlorophenol
120-83-2

2,4-dichlorophenol

Conditions
ConditionsYield
biotransformation;
sodium 2,4-dichlorophenolate
3757-76-4

sodium 2,4-dichlorophenolate

chloroacetic acid
79-11-8

chloroacetic acid

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
In ethyl acetate
Polymer; Monomer(s): N-(2,4-dichlorophenoxyacetyl)diethanolamine; phenylphosphonic dichloride

Polymer; Monomer(s): N-(2,4-dichlorophenoxyacetyl)diethanolamine; phenylphosphonic dichloride

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With aq. buffer at 25℃; pH=7; Kinetics; Further Variations:; pH-values; Temperatures; Hydrolysis;
iodine
7553-56-2

iodine

acetic acid
64-19-7

acetic acid

2-phenoxyacetic acid
122-59-8

2-phenoxyacetic acid

2 mol chlorine

2 mol chlorine

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
at 20 - 60℃;
acetic acid
64-19-7

acetic acid

2-phenoxyacetic acid
122-59-8

2-phenoxyacetic acid

iron

iron

2 mol chlorine

2 mol chlorine

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
at 20 - 60℃;
sodium-salt of/the/ <2-chloro-phenoxy>-acetic acid

sodium-salt of/the/ <2-chloro-phenoxy>-acetic acid

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With sodium hypochlorite; water
sodium-salt of/the/ phenoxyacetic acid

sodium-salt of/the/ phenoxyacetic acid

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Conditions
ConditionsYield
With sodium hypochlorite; water
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

2-(2,4-dichlorophenoxy)acetyl chloride
774-74-3

2-(2,4-dichlorophenoxy)acetyl chloride

Conditions
ConditionsYield
With thionyl chloride at 100℃; for 5h; Substitution;100%
With thionyl chloride; N-benzyl-N,N,N-triethylammonium chloride In chloroform for 4h; Chlorination; Heating;85%
With thionyl chloride at 75℃; for 2h;80%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

3-Aminobenzamide
3544-24-9

3-Aminobenzamide

3-(2-(2,4-dichlorophenoxy)acetamido)benzamide

3-(2-(2,4-dichlorophenoxy)acetamido)benzamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;100%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;86.4%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

dimethyl amine
124-40-3

dimethyl amine

2,4-dichlorophenoxyacetic acid dimethylamine
2008-39-1

2,4-dichlorophenoxyacetic acid dimethylamine

Conditions
ConditionsYield
Stage #1: 2,4-Dichlorophenoxyacetic acid With ethylenediaminetetraacetic acid In tert-butyl methyl ether
Stage #2: dimethyl amine In tert-butyl methyl ether at 56℃; pH=8; Product distribution / selectivity;
100%
In water at 20℃; pH=7.1;
In water at 20℃;
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

2-nitrophenylmethyl bromide
3958-60-9

2-nitrophenylmethyl bromide

2,4-D 2-nitrobenzyl ester
1430102-89-8

2,4-D 2-nitrobenzyl ester

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 73℃;100%
methanol
67-56-1

methanol

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

2,4-dichlorophenoxyacetic acid dimethylamine
2008-39-1

2,4-dichlorophenoxyacetic acid dimethylamine

(BF3)-MeOH complex

(BF3)-MeOH complex

methyl 2,4-dichlorophenoxyacetate
1928-38-7

methyl 2,4-dichlorophenoxyacetate

Conditions
ConditionsYield
Stage #1: 2,4-dichlorophenoxyacetic acid dimethylamine In sodium hydroxide at 80℃; for 0.333333h; pH=14; Hydrolysis;
Stage #2: methanol; 2,4-Dichlorophenoxyacetic acid; (BF3)-MeOH complex In diethyl ether pH=2; Esterification; Heating;
99.2%
methanol
67-56-1

methanol

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

methyl 2,4-dichlorophenoxyacetate
1928-38-7

methyl 2,4-dichlorophenoxyacetate

Conditions
ConditionsYield
With aminosulfonic acid for 12h; Reflux;99%
With tert.-butylnitrite at 40℃; for 48h; Green chemistry;90%
With sulfuric acid at 70℃;86%
With toluene-4-sulfonic acid Abdestillieren des entstehenden Wassers;
Methyl 3-aminobenzoate
4518-10-9

Methyl 3-aminobenzoate

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

3-[2-(2,4-dichlorophenoxy)acetylamino]benzoic acid methyl ester

3-[2-(2,4-dichlorophenoxy)acetylamino]benzoic acid methyl ester

Conditions
ConditionsYield
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide99%
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide99%
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere;30.6%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

2-(2,4-dichloro-phenoxy)-N-(3-hydroxy-phenyl)-acetamide

2-(2,4-dichloro-phenoxy)-N-(3-hydroxy-phenyl)-acetamide

Conditions
ConditionsYield
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;99%
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃;99%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

1-n-hexadecylpyridinium halide

1-n-hexadecylpyridinium halide

1-n-hexadecylpyridinium (2,4-dichlorophenoxy)acetate

1-n-hexadecylpyridinium (2,4-dichlorophenoxy)acetate

Conditions
ConditionsYield
Stage #1: 2,4-Dichlorophenoxyacetic acid With sodium hydroxide In water at 50℃;
Stage #2: 1-n-hexadecylpyridinium halide In water at 20℃; for 0.5h;
99%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

n-hexadecyltrimethylammonium halide

n-hexadecyltrimethylammonium halide

n-hexadecyltrimethylammonium (2,4-dichlorophenoxy)acetate

n-hexadecyltrimethylammonium (2,4-dichlorophenoxy)acetate

Conditions
ConditionsYield
Stage #1: 2,4-Dichlorophenoxyacetic acid With sodium hydroxide In water at 50℃;
Stage #2: n-hexadecyltrimethylammonium halide In water at 20℃; for 0.5h;
99%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

1-n-butyl-1-methylpyrrolidinium halide

1-n-butyl-1-methylpyrrolidinium halide

1-n-butyl-1-methylpyrrolidinium (2,4-dichlorophenoxy)acetate
1379462-10-8

1-n-butyl-1-methylpyrrolidinium (2,4-dichlorophenoxy)acetate

Conditions
ConditionsYield
Stage #1: 1-n-butyl-1-methylpyrrolidinium halide With Dowex-Monosphere 550A (OH) anion exchange resin
Stage #2: 2,4-Dichlorophenoxyacetic acid for 0.166667h;
99%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

Benzophenone oxime
574-66-3

Benzophenone oxime

diphenylmethanone O-(2-(2,4-dichlorophenoxy)acetyl) oxime

diphenylmethanone O-(2-(2,4-dichlorophenoxy)acetyl) oxime

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; Schlenk technique; Inert atmosphere;99%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

lead(II) nitrate

lead(II) nitrate

water
7732-18-5

water

lead(II) 2,4-dichlorophenoxyacetate monohydrate

lead(II) 2,4-dichlorophenoxyacetate monohydrate

Conditions
ConditionsYield
With NaOH In water 2,4-dichlorophenoxyacetic acid dissolved in H2O with addition of solid NaOH with heating to about 60°C (equimolar amt. of NaOH and acid);pH was brought to 7 (NaOH); filtered; aq. soln. of Pb(NO3)2 added with vigorously stirring (metal:acid=1:2); ppt. filtered off after 24 h; dried (air) at room temp.; crushed in mortar; elem. anal.;98.5%
1-hydroxy-pyrrolidine-2,5-dione
6066-82-6

1-hydroxy-pyrrolidine-2,5-dione

2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

(2,4-Dichloro-phenoxy)-acetic acid 2,5-dioxo-pyrrolidin-1-yl ester
93799-60-1

(2,4-Dichloro-phenoxy)-acetic acid 2,5-dioxo-pyrrolidin-1-yl ester

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In ethyl acetate98%
With dicyclohexyl-carbodiimide
With dicyclohexyl-carbodiimide In 1,4-dioxane for 0.5h;
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

1-n-propoxymethyl-1-methylpiperidinium halide

1-n-propoxymethyl-1-methylpiperidinium halide

1-n-propoxymethyl-1-methylpiperidinium (2,4-dichlorophenoxy)acetate
1379462-07-3

1-n-propoxymethyl-1-methylpiperidinium (2,4-dichlorophenoxy)acetate

Conditions
ConditionsYield
Stage #1: 1-n-propoxymethyl-1-methylpiperidinium halide With Dowex-Monosphere 550A (OH) anion exchange resin
Stage #2: 2,4-Dichlorophenoxyacetic acid for 0.166667h;
98%
2,4-Dichlorophenoxyacetic acid
94-75-7

2,4-Dichlorophenoxyacetic acid

4-n-butyl-4-methylmorpholinium halide

4-n-butyl-4-methylmorpholinium halide

4-n-butyl-4-methylmorpholinium (2,4-dichlorophenoxy)acetate
1379462-09-5

4-n-butyl-4-methylmorpholinium (2,4-dichlorophenoxy)acetate

Conditions
ConditionsYield
Stage #1: 4-n-butyl-4-methylmorpholinium halide With Dowex-Monosphere 550A (OH) anion exchange resin
Stage #2: 2,4-Dichlorophenoxyacetic acid for 0.166667h;
98%
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