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Furfural
Cas No: 98-01-1
No Data 240 Kilogram 1000 Metric Ton/Day QINGDAO ON-BILLION INDUSTRAIL CO.,LTD Contact Supplier
Furfural
Cas No: 98-01-1
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
furfural 98-01-1
Cas No: 98-01-1
No Data No Data No Data Hunan Russell Chemicals Technology Co.,Ltd Contact Supplier
Furfural
Cas No: 98-01-1
No Data No Data No Data Pure Chemistry Scientific Inc. Contact Supplier

98-01-1 Usage

Chemical Properties

colourless to reddish-brown oily liquid with almond odour

Health Hazard

Vapor may irritate eyes and respiratory system. Liquid irritates skin and may cause dermatitis.

Fire Hazard

Special Hazards of Combustion Products: Irritating vapors are generated when heated

Uses

In the manufacture of furfural-phenol plastics such as Durite; in solvent refining of petroleum oils; in the preparation of pyromucic acid. As a solvent for nitrated cotton, cellulose acetate, and gums; in the manufacture of varnishes; for accelerating vulcanization; as insecticide, fungicide, germicide; as reagent in analytical chemistry. In the synthesis of furan derivatives.

Purification Methods

Furfural is unstable to air, light and acids. Impurities include formic acid, .-formylacrylic acid and furan-2-carboxylic acid. Distil it in an oil bath from 7% (w/w) Na2CO3 (added to neutralise acids, especially pyromucic acid). Redistil it from 2% (w/w) Na2CO3, and then, finally fractionally distil it under vacuum. It is stored in the dark. [Evans & Aylesworth Ind Eng Chem (Anal ed) 18 24 1926.] Impurities resulting from storage can be removed by passage through chromatographic grade alumina. Furfural can be separated from impurities other than carbonyl compounds by the bisulfite addition compound. The aldehyde is steam volatile. It has been purified by distillation (using a Claisen head) under reduced pressure. This is essential as is the use of an oil bath with temperatures of no higher than 130o which is highly recommended. When furfural is distilled at atmospheric pressure (in a stream of N2), or under reduced pressure with a free flame (caution: because the aldehyde is flammable), an almost colourless oil is obtained. After a few days and sometimes a few hours, the oil gradually darkens and finally becomes black. This change is accelerated by light and occurs more slowly when it is kept in a brown bottle. However, when the aldehyde is distilled under vacuum and the bath temperature kept below 130o during the distillation, the oil develops only a slight colour when exposed to direct sunlight during several days. The distillation of very impure material should NOT be attempted at atmospheric pressure; otherwise the product darkens very rapidly. After one distillation under vacuum, a distillation at atmospheric pressure can be carried out without too much decomposition and darkening. The liquid irritates mucous membranes. Store it in dark containers under N2, preferably in sealed ampoules. [Adams & Voorhees Org Synth Coll Vol I 280 1941, Beilstein 17/9 V 292.]

Definition

ChEBI: An aldehyde that is furan with the hydrogen at position 2 substituted by a formyl group.

General Description

Colorless or reddish-brown mobile liquids with a penetrating odor. Flash points 140°F. Denser than water and soluble in water. Vapors heavier than air. May be toxic by ingestion, skin absorption or inhalation.

References

https://en.wikipedia.org/wiki/Furfural
https://www.britannica.com/science/furfural
https://pubchem.ncbi.nlm.nih.gov/compound/2-Furaldehyde#section=Top
http://www.wisegeek.com/what-is-furfural.htm

Air & Water Reactions

Flammable. Furfural is sensitive to light and air. Soluble in water, with mixing.

Description

Furfural is a colourless to amber-like oily liquid with an almond-like odour. On exposure to light and air, it turns reddish brown. Furfural is used in making chemicals, as a solvent in petroleum refining, a fungicide, and a weed killer. It is incompatible with strong acids, oxidisers, and strong alkalis. It undergoes polymerisation on contact with strong acids or strong alkalis. Furfural is produced commercially by the acid hydrolysis of pentosan polysaccharides from non-food residues of food crops and wood wastes. It is used widely as a solvent in petroleum refining, in the production of phenolic resins, and in a variety of other applications. Human exposure to furfural occurs during its production and use, as a result of its natural occurrence in many foods and from the combustion of coal and wood.

Description

Furfural is an essential renewable, non-petroleum based, chemical feedstock which is primarily composed of various agricultural byproducts, including oat husks, wheat bran, corncobs, and sawdust. Chemically, furfural is an organic compound belonging to an aldehyde of furan with the odor of almonds. It is typically produced for industrial purposes, which can be used as a selective solvent in the process of refining lubricating oils and used in the manufacture of transportation fuels to improve the characteristics of diesel fuel and catalytic cracker recycle stocks. Besides, furfural is applied widely for producing resin-bonded abrasive wheels and purifying butadiene needed for the manufacture of synthetic rubber. It is also used to make other furan chemicals, such as furoic acid and furan itself. Other products of furfural include weed killer, fungicide, other solvents and etc.

Reactivity Profile

Furfural reacts with sodium hydrogen carbonate. Furfural also can react with strong oxidizers. An exothermic resinification of almost explosive violence can occur upon contact with strong mineral acids or alkalis. Furfural forms condensation products with many types of compounds, including phenol, amines and urea. .
InChI:InChI=1/C5H4O2/c6-4-5-2-1-3-7-5/h1-4H

98-01-1 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Sigma-Aldrich (185914)  Furfural  99% 98-01-1 185914-2.5L 1,158.30CNY Detail
Sigma-Aldrich (185914)  Furfural  99% 98-01-1 185914-1L 617.76CNY Detail
Sigma-Aldrich (185914)  Furfural  99% 98-01-1 185914-500ML 465.66CNY Detail
Sigma-Aldrich (185914)  Furfural  99% 98-01-1 185914-4X100ML 1,340.82CNY Detail
Sigma-Aldrich (185914)  Furfural  99% 98-01-1 185914-100ML 346.32CNY Detail
Sigma-Aldrich (185914)  Furfural  99% 98-01-1 185914-5ML 343.98CNY Detail
Sigma-Aldrich (319910)  Furfural  ACS reagent, 99% 98-01-1 319910-2.5L 2,474.55CNY Detail
Sigma-Aldrich (319910)  Furfural  ACS reagent, 99% 98-01-1 319910-500ML 618.93CNY Detail
Alfa Aesar (31305)  2-Furaldehyde, ACS, 98% min    98-01-1 1kg 1062.0CNY Detail
Alfa Aesar (31305)  2-Furaldehyde, ACS, 98% min    98-01-1 250g 279.0CNY Detail
Alfa Aesar (A16167)  2-Furaldehyde, 98%    98-01-1 5000g 988.0CNY Detail
Alfa Aesar (A16167)  2-Furaldehyde, 98%    98-01-1 1000g 438.0CNY Detail

98-01-1SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name furfural

1.2 Other means of identification

Product number -
Other names 2-furancarboxaldehyde

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
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:98-01-1 SDS

98-01-1Synthetic route

(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

furfural
98-01-1

furfural

Conditions
ConditionsYield
With bis(2,2'-bipyridyl) copper(II) permanganate In acetone for 0.1h; Ambient temperature;100%
With 4 A molecular sieve; tetrabutylammonium perchlorate; Ru-Cu-Al-hydrotalcite In toluene at 60℃; for 3h;100%
With potassium carbonate In toluene at 70℃; for 2.5h; Reagent/catalyst;100%
5-bromo-2-furancarboxaldehyde
1899-24-7

5-bromo-2-furancarboxaldehyde

furfural
98-01-1

furfural

Conditions
ConditionsYield
In diethyl ether for 1h; Product distribution; Irradiation; photochemical debromination was investigated;100%
Sodium; 6-{[1-furan-2-yl-meth-(E)-ylidene]-amino}-hexanoate

Sodium; 6-{[1-furan-2-yl-meth-(E)-ylidene]-amino}-hexanoate

furfural
98-01-1

furfural

Conditions
ConditionsYield
With hydrogenchloride for 0.0416667h; Product distribution; Ambient temperature; pH = 4-6, regeneration of aldehyde;100%
(furan-2-yl)methylene diacetate
613-75-2

(furan-2-yl)methylene diacetate

furfural
98-01-1

furfural

Conditions
ConditionsYield
With sulphated zirconia In acetonitrile at 60℃; for 2h; Microwave irradiation;100%
With Montmorillonite K10 In dichloromethane for 0.333333h; Heating;98%
With water; Sulfate; titanium(IV) oxide In dichloromethane for 0.0833333h; Deacetylation; Heating;97%
2-(1,3-dithian-2-yl)furan
67421-75-4

2-(1,3-dithian-2-yl)furan

furfural
98-01-1

furfural

Conditions
ConditionsYield
With dihydrogen peroxide; iodine; sodium dodecyl-sulfate In water at 20℃; for 1h; Micellar solution;100%
With indium(III) trifluoride; water In acetonitrile for 3.5h; Reflux; chemoselective reaction;93%
With 2,4,4,6-Tetrabromo-2,5-cyclohexadien-1-one; dihydrogen peroxide In water; acetonitrile at 20℃; for 0.75h;90%
With eosin y In water; acetonitrile at 20℃; for 4h; Irradiation;82%
With ammonium iodide; dihydrogen peroxide; sodium dodecyl-sulfate In water at 20℃; for 0.333333h; micellar medium;
furfural tosylhydrazone
18708-18-4

furfural tosylhydrazone

furfural
98-01-1

furfural

Conditions
ConditionsYield
With Cr-MCM-41 zeolite on silica gel for 0.1h; microwave irradiation;98%
With benzeneseleninic anhydride In tetrahydrofuran at 40 - 50℃; for 2h;88%
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane; water at 20℃; for 2h; Oxidation; oxidative cleavage;80%
D-xylose
58-86-6

D-xylose

furfural
98-01-1

furfural

Conditions
ConditionsYield
With sulfonated graphitic carbon nitride In water at 100℃; for 0.5h; Solvent; Temperature;96%
With Sulfonated graphene at 150℃; for 0.666667h; Temperature; Sealed tube;96%
With hydrogenchloride; 5-methyl-dihydro-furan-2-one In water at 224.84℃; under 28443.9 Torr; for 0.0375h; Kinetics; Temperature; Reagent/catalyst; Concentration; Flow reactor;93%
2-(furan-2-yl)-1,3-dioxolane
1708-41-4

2-(furan-2-yl)-1,3-dioxolane

furfural
98-01-1

furfural

Conditions
ConditionsYield
With Montmorillonite K 10; water In acetone for 0.5h; Heating;96%
With aluminum oxide; Oxone for 0.03h; Hydrolysis; Microwave irradiation;93%
With iron(III) chloride hexahydrate; acetaldehyde In dichloromethane at 20℃; for 0.25h;90%
2-furaldehyde oxime
1121-47-7

2-furaldehyde oxime

furfural
98-01-1

furfural

Conditions
ConditionsYield
With water; Dess-Martin periodane In dichloromethane at 5℃; for 0.333333h;95%
With silica gel; iron(III) chloride for 0.0133333h; microwave irradiation;92%
With bis(pyridine)silver(I) permanganate In dichloromethane for 0.0833333h; Ambient temperature;90%
2-(Iodomethyl)tetrahydrofuran
117680-17-8

2-(Iodomethyl)tetrahydrofuran

furfural
98-01-1

furfural

Conditions
ConditionsYield
With oxygen; kieselguhr; copper(l) chloride In hexane for 2h; Oxidation; Heating;93%
2-(furan-2-ylmethylene)hydrazine-1-carboxamide

2-(furan-2-ylmethylene)hydrazine-1-carboxamide

furfural
98-01-1

furfural

Conditions
ConditionsYield
With aluminium trichloride; 1-benzyl-4-aza-1-azoniabicyclo[2.2.2]octane dichromate at 20℃; for 0.0125h;93%
With sodium perborate In acetic acid at 40℃; for 1h; Oxidation;
2-(1,3-dithiolan-2-yl)furan
6008-83-9

2-(1,3-dithiolan-2-yl)furan

furfural
98-01-1

furfural

Conditions
ConditionsYield
Stage #1: 2-(1,3-dithiolan-2-yl)furan In ethanol at 20℃;
Stage #2: With water In ethanol at 20℃;
93%
With indium(III) trifluoride; water In acetonitrile for 3.5h; Reflux; chemoselective reaction;89%
With indium (III) iodide; dihydrogen peroxide In water; toluene at 20℃; for 15h; Inert atmosphere; Sealed tube;
2-(furan-2-yl)-1,3-oxathiolane
81932-19-6

2-(furan-2-yl)-1,3-oxathiolane

furfural
98-01-1

furfural

Conditions
ConditionsYield
Stage #1: 2-(furan-2-yl)-1,3-oxathiolane In ethanol at 20℃;
Stage #2: With water In ethanol at 20℃;
93%
With copper(II) nitrate monohydrate at 90℃; for 0.333333h;85%
furan-2-yl-acetic acid
2745-26-8

furan-2-yl-acetic acid

furfural
98-01-1

furfural

Conditions
ConditionsYield
With potassium carbonate In chloroform at 20℃; for 24h; Irradiation; Inert atmosphere;93%
3-bromofurfural
14757-78-9

3-bromofurfural

furfural
98-01-1

furfural

Conditions
ConditionsYield
In diethyl ether for 1h; Product distribution; Irradiation; photochemical debromination was investigated;92%
D-Arabinose
10323-20-3

D-Arabinose

furfural
98-01-1

furfural

Conditions
ConditionsYield
With Dowex 50Wx8-100 ion-exchange resin at 100℃; for 6h; Ionic liquid; Sealed tube;92%
With silicoaluminophosphate-44 In water; toluene at 170℃; for 8h;63%
With 1-butyl-3-methylimidazolium tetrachloridoferrate(III) In water; butanone at 160℃; for 3h;50.7%
2-methylfuran
534-22-5

2-methylfuran

furfural
98-01-1

furfural

Conditions
ConditionsYield
With nickel-doped graphene carbon nitride nanoparticles; air In ethanol at 25℃; for 8h; Irradiation; Green chemistry;92%
With oxygen In acetonitrile at 20℃; for 18h; Irradiation;95 %Spectr.
With tert.-butylhydroperoxide; C29H25Cl2N4Ru(1+)*F6P(1-) In acetonitrile at 60℃; for 3h; Schlenk technique; Inert atmosphere;71 %Chromat.
L-lyxose
1949-78-6

L-lyxose

furfural
98-01-1

furfural

Conditions
ConditionsYield
With 1-methyl-3-(4-sulfobutyl)-1H-imidazol-3-ium hydrogensulfate; 4-methyl-2-pentanone In water at 150℃; under 760.051 Torr; for 0.416667h; Autoclave;91.4%
5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

furfural
98-01-1

furfural

Conditions
ConditionsYield
With D-Xylose In water at 180℃; for 0.666667h; Temperature; Reagent/catalyst;91.4%
β-D-xylopyranoside
2460-44-8

β-D-xylopyranoside

furfural
98-01-1

furfural

Conditions
ConditionsYield
With phosphorus and fluorine co-doped amorphous carbon nitride In tetrahydrofuran; water at 130℃; for 5h;91%
With hydrogen In water at 150℃; under 750.075 Torr; Temperature;87.6%
With vanadyl pyrophosphate In water; toluene at 170℃; for 6h;56%
3-(2-furyl)acrylic acid
539-47-9

3-(2-furyl)acrylic acid

furfural
98-01-1

furfural

Conditions
ConditionsYield
With aluminum oxide; potassium permanganate In dichloromethane at 20℃;90%
tert-butyldimethyl(2,2,2-trichloro-1-furan-2-ylethoxy)silane
1027382-27-9

tert-butyldimethyl(2,2,2-trichloro-1-furan-2-ylethoxy)silane

furfural
98-01-1

furfural

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran; N,N-dimethyl-formamide at 50℃;90%
2-(ethoxymethyl)furan
6270-56-0

2-(ethoxymethyl)furan

furfural
98-01-1

furfural

Conditions
ConditionsYield
With water; 4-acetylamino-2,2,6,6-tetramethylpiperidine-1-oxoammonium tetrafluoroborate In acetonitrile at 20℃; for 8h;90%
2-(bis(phenylthio)methyl)furan
71778-41-1

2-(bis(phenylthio)methyl)furan

furfural
98-01-1

furfural

Conditions
ConditionsYield
With indium(III) trifluoride; water In acetonitrile for 3h; Reflux; chemoselective reaction;90%
D-ribose
50-69-1

D-ribose

furfural
98-01-1

furfural

Conditions
ConditionsYield
With Dowex 50Wx8-200 ion-exchange resin at 100℃; for 3h; Ionic liquid; Sealed tube;90%
With 3-butyl-1-methyl-1H-imidazol-3-ium hexafluorophosphate; copper dichloride at 120℃; for 0.3h; Reagent/catalyst; Ionic liquid;67 %Chromat.
2-(furan-2-yl)-5,5-dimethyl-1,3-dioxane
709-10-4

2-(furan-2-yl)-5,5-dimethyl-1,3-dioxane

furfural
98-01-1

furfural

Conditions
ConditionsYield
With indium(III) trifluoride; water In acetonitrile for 2.5h; Reflux; chemoselective reaction;89%
2-furancarbonyl chloride
527-69-5

2-furancarbonyl chloride

furfural
98-01-1

furfural

Conditions
ConditionsYield
With pentacoordinated hydrogenosilane 187%
With bis(triphenylphosphine)copper(I) tetrahydroborate; triphenylphosphine In acetone at 25℃; for 1h;78%
With tert-butyl isocyanide; CpRu(PiPr3)(CH3CN)2PF6; Dimethylphenylsilane In [(2)H6]acetone at 20℃; for 24h; chemoselective reaction;100 %Spectr.
With tert-butyl isocyanide; CpRu(PiPr3)(CH3CN)2PF6; Dimethylphenylsilane In [(2)H6]acetone at 20℃; for 24h; chemoselective reaction;Ca. 100 %Spectr.
2-furaldehyde dimethyl acetal
1453-62-9

2-furaldehyde dimethyl acetal

furfural
98-01-1

furfural

Conditions
ConditionsYield
With indium(III) trifluoride; water In acetonitrile for 2h; Reflux; chemoselective reaction;87%
indium(III) chloride In methanol; water for 2h; Heating;85%
furan-2-ylmethanamine
617-89-0

furan-2-ylmethanamine

furfural
98-01-1

furfural

Conditions
ConditionsYield
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene In dichloromethane at 0 - 20℃; for 0.333333h; Inert atmosphere; Green chemistry;87%
With pyridoxal 5'-phosphate; sodium pyruvate In aq. phosphate buffer at 30℃; pH=7.5; Reagent/catalyst; Enzymatic reaction;
furan-2-carbaldehyde oxime
620-03-1

furan-2-carbaldehyde oxime

furfural
98-01-1

furfural

Conditions
ConditionsYield
With manganese triacetate In benzene for 1h; Heating;86%
With antimonypentachloride In dichloromethane at 20℃; for 2.3h;75%
furfural
98-01-1

furfural

cyclohexanone
108-94-1

cyclohexanone

(2E,6E)-2,6-bis(2-furylmethylene)cyclohexanone
62085-75-0

(2E,6E)-2,6-bis(2-furylmethylene)cyclohexanone

Conditions
ConditionsYield
With sodium hydroxide In ethanol for 0.025h; microwave irradiation;100%
With sodium hydroxide In ethanol; water at 20℃; for 24h; Inert atmosphere; Green chemistry;99%
aluminum oxide for 0.0416667h; microwave irradiation;98%
furfural
98-01-1

furfural

p-toluidine
106-49-0

p-toluidine

furfurylidene-p-toluidine
13060-72-5

furfurylidene-p-toluidine

Conditions
ConditionsYield
In methanol at 20℃; for 24h;100%
In methanol at 20℃; for 24h;100%
In methanol at 20℃;85%
furfural
98-01-1

furfural

4-methoxy-aniline
104-94-9

4-methoxy-aniline

N-furfurylidene-p-anisidine
1749-14-0, 100239-11-0

N-furfurylidene-p-anisidine

Conditions
ConditionsYield
With sodium sulfate In benzene for 0.5h; Ambient temperature;100%
In methanol at 20℃; for 24h;100%
In methanol at 20℃; for 24h;100%
furfural
98-01-1

furfural

aniline
62-53-3

aniline

N-(2-furylmethylene)aniline
3237-23-8

N-(2-furylmethylene)aniline

Conditions
ConditionsYield
With copper(II) bis(trifluoromethanesulfonate) In water at 20℃; for 0.0166667h;100%
With aluminum oxide for 5h; Milling;100%
sodium hydrogen sulfate; silica gel at 56 - 58℃; for 0.0244444h; microwave irradiation;98%
furfural
98-01-1

furfural

phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

diethyl (hydroxy(furan-2-yl)methyl)phosphonate
20627-09-2

diethyl (hydroxy(furan-2-yl)methyl)phosphonate

Conditions
ConditionsYield
With triethylamine In neat (no solvent) at 20℃; Pudovik Reaction; Inert atmosphere;100%
With triethylamine at 50℃; Pudovik Reaction; Inert atmosphere; Sealed tube;100%
With 2-tert-butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine supported on polystyrene In neat (no solvent) at 30℃; for 3h; Pudovik Reaction; Green chemistry;99%
furfural
98-01-1

furfural

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

ethyl (E)-2-cyano-3-(2-furyl)-2-propenoate
67449-75-6, 23973-22-0

ethyl (E)-2-cyano-3-(2-furyl)-2-propenoate

Conditions
ConditionsYield
With L-proline for 0.0333333h; Knoevenagel condensation; microwave irradiation;100%
ytterbium(III) perfluorooctanesulfonate In toluene at 80℃; for 3h; Knoevenagel condensation;99%
With polyacrylonitrile fiber modified with triethylenetetramine In water at 50℃; for 1.5h; Knoevenagel condensation;99%
furfural
98-01-1

furfural

naphthalen-2-ylamine
91-59-8

naphthalen-2-ylamine

(E)-1-(furan-2-yl)-N-(naphthalen-2-yl)methanimine
6233-18-7

(E)-1-(furan-2-yl)-N-(naphthalen-2-yl)methanimine

Conditions
ConditionsYield
In diethyl ether at 20℃; Inert atmosphere; Molecular sieve; Darkness;100%
furfural
98-01-1

furfural

acetylacetone
123-54-6

acetylacetone

3-(furan-2-ylmethylene)pentane-2,4-dione
4728-04-5

3-(furan-2-ylmethylene)pentane-2,4-dione

Conditions
ConditionsYield
With piperidine; acetic acid In dichloromethane at 0 - 20℃; Michael Addition; Molecular sieve;100%
With L-Lysine hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 3h; Knoevenagel Condensation;98.3%
With cross-linked polystyrene-titanium tetrachloride complex In neat (no solvent) at 60℃; for 2h; Knoevenagel Condensation;98%
furfural
98-01-1

furfural

benzylamine
100-46-9

benzylamine

N-benzyl-1-(furan-2-yl)methanimine
4393-11-7

N-benzyl-1-(furan-2-yl)methanimine

Conditions
ConditionsYield
With copper(II) bis(trifluoromethanesulfonate) In water at 20℃; for 0.0166667h;100%
In water at 20℃; for 2h;93%
In dichloromethane Inert atmosphere; Molecular sieve;81%
furfural
98-01-1

furfural

malononitrile
109-77-3

malononitrile

2-cyano-3-(2-furanyl)acrylonitrile
3237-22-7

2-cyano-3-(2-furanyl)acrylonitrile

Conditions
ConditionsYield
With 1-butyl-1,4-diazabicyclo[2.2.2]octanylium hydrotetrafluoroborate In water at 20℃; for 0.0166667h; Knoevenagel condensation;100%
With 1,4-diaza-bicyclo[2.2.2]octane In water at 20℃; for 0.0166667h; Knoevenagel Condensation; Green chemistry;100%
With hydroquinone; p-benzoquinone In water at 20℃; for 3h; Reagent/catalyst; Knoevenagel Condensation; Inert atmosphere; Sealed tube;100%
furfural
98-01-1

furfural

trimethyl orthoformate
149-73-5

trimethyl orthoformate

2-furaldehyde dimethyl acetal
1453-62-9

2-furaldehyde dimethyl acetal

Conditions
ConditionsYield
With Yb(III)-coordinated adamantane-based porous polymer In methanol at 20℃; for 12h; Catalytic behavior; Reagent/catalyst;100%
indium(III) triflate In dichloromethane at 20℃; for 0.0833333h;99%
With cerium triflate In methanol at 20℃; for 0.0333333h;99%
furfural
98-01-1

furfural

Tetrahydrofurfuryl alcohol
97-99-4

Tetrahydrofurfuryl alcohol

Conditions
ConditionsYield
With hydrogen In ethanol at 60℃; under 15001.5 Torr; for 4h; Catalytic behavior; Reagent/catalyst; Temperature; Solvent; Pressure; Autoclave; Green chemistry;100%
With hydrogen In butan-1-ol at 80℃; under 30003 Torr; for 5h; Catalytic behavior; Temperature; Reagent/catalyst;99%
With hydrogen In isopropyl alcohol at 179.84℃; under 22502.3 Torr; for 1.25h; Reagent/catalyst;99%
furfural
98-01-1

furfural

2-methylfuran
534-22-5

2-methylfuran

Conditions
ConditionsYield
With hydrogen under 2250.23 Torr; for 15h;100%
With hydrogen at 200℃; under 760.051 Torr;95.5%
With hydrogen at 120℃; under 760.051 Torr; for 24h; Catalytic behavior; Reagent/catalyst; Temperature;94.5%
furfural
98-01-1

furfural

(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

Conditions
ConditionsYield
With Pt(3)Co(3)/C; hydrogen In water at 35℃; under 750.075 Torr; for 10h; Reagent/catalyst; Pressure; Temperature; Solvent; Concentration;100%
With HRO/TiO2; hydrogen In water at 150℃; under 15001.5 Torr; for 3h;100%
With hydrogen In isopropyl alcohol at 179.84℃; under 22502.3 Torr; for 1.25h; Reagent/catalyst;100%
furfural
98-01-1

furfural

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

Conditions
ConditionsYield
With methanol; oxygen Irradiation;100%
With oxygen; methylene blue In methanol at -78 - 20℃; for 23h; Irradiation;98%
With oxygen; Rose Bengal lactone In methanol at 20℃; for 24h; Photolysis;93%
furfural
98-01-1

furfural

furan-2-ylmethanamine
617-89-0

furan-2-ylmethanamine

Conditions
ConditionsYield
With ammonia; hydrogen In tetrahydrofuran at 80℃; for 2h; Autoclave;100%
With ammonia; hydrogen In methanol at 30℃; for 24h; Autoclave;91%
With ammonium hydroxide; Ni6AlO(z); hydrogen at 100℃; under 3000.3 Torr; for 5h; Autoclave;90%
furfural
98-01-1

furfural

furan-2-carbaldehyde oxime
620-03-1

furan-2-carbaldehyde oxime

Conditions
ConditionsYield
With pyridine; hydroxylamine hydrochloride In ethanol100%
With hydroxylamine hydrochloride In ethanol; water for 0.166667h; Microwave irradiation;89%
With N-hydroxyphthalimide In water at 90℃; for 3h; Sealed tube;89%
furfural
98-01-1

furfural

1,2-di-furan-2-yl-ethane-1,2-diol
4464-77-1, 69314-24-5, 69314-25-6, 116204-42-3

1,2-di-furan-2-yl-ethane-1,2-diol

Conditions
ConditionsYield
With tris(2,2’-bipyridine)ruthenium(II); ascorbate In water for 3h; pH=12.7; Irradiation;100%
With ammonium chloride; magnesium Ambient temperature;92%
With triethylammonium formate; magnesium In methanol; water at 25℃; for 0.333333h;74%
furfural
98-01-1

furfural

1.3-propanedithiol
109-80-8

1.3-propanedithiol

2-(1,3-dithian-2-yl)furan
67421-75-4

2-(1,3-dithian-2-yl)furan

Conditions
ConditionsYield
With lithium tetrafluoroborate at 0℃; for 5h;100%
With amberlyst-15 In acetonitrile for 1h;99.92%
With dimethylbromosulphonium bromide at 20℃; for 0.0833333h;98%
furfural
98-01-1

furfural

diethoxyphosphoryl-acetic acid ethyl ester
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

ethyl (E)-3-(2-furyl)prop-2-enoate
623-20-1

ethyl (E)-3-(2-furyl)prop-2-enoate

Conditions
ConditionsYield
With potassium carbonate In neat (no solvent) Mechanism; var. other bases, effect of water;100%
With water; barium dihydroxide In 1,4-dioxane at 70℃; for 0.416667h;100%
With water; barium dihydroxide In 1,4-dioxane at 70℃; for 0.416667h; Product distribution; other catalyst, other solvents, influence of water;100%
furfural
98-01-1

furfural

hydrogen cyanide
74-90-8

hydrogen cyanide

(S)-2-(2'-furyl)-2-hydroxy-acetonitrile
10017-07-9

(S)-2-(2'-furyl)-2-hydroxy-acetonitrile

Conditions
ConditionsYield
With (R)-oxynitrilase (almond meal) In di-isopropyl ether at 4℃; for 48h;100%
With almond meal ((R)-oxynitrilase) In di-isopropyl ether at 4 - 30℃;100%
With almond meal In di-isopropyl ether at 15℃;100%
furfural
98-01-1

furfural

trimethylsilyl cyanide
7677-24-9

trimethylsilyl cyanide

2-(2-furyl)-2-(trimethylsilyloxy)acetonitrile
40861-56-1

2-(2-furyl)-2-(trimethylsilyloxy)acetonitrile

Conditions
ConditionsYield
With Eu2(benzene-1,2,3,4,5,6-hexacarboxylate)(H2O)3 In acetonitrile at 20 - 100℃; for 1h;100%
With 1-methoxy-2-methyl-1-(trimethylsiloxy)propene at 19℃; for 10h;99%
With potassium phtalimide at 20℃; for 1.16667h; solvent-free;99%
furfural
98-01-1

furfural

diethyl 1-cyanomethylphosphonate
2537-48-6

diethyl 1-cyanomethylphosphonate

(E)-3-(2-furyl)acrylonitrile
6125-63-9

(E)-3-(2-furyl)acrylonitrile

Conditions
ConditionsYield
With water; barium dihydroxide In 1,4-dioxane at 70℃; for 0.666667h;100%
Stage #1: diethyl 1-cyanomethylphosphonate With sodium hydride In tetrahydrofuran at 20℃; for 1h; Inert atmosphere;
Stage #2: furfural In tetrahydrofuran at 28℃;
Stage #1: diethyl 1-cyanomethylphosphonate With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h;
Stage #2: furfural In tetrahydrofuran; mineral oil at 0 - 25℃; for 2h;
furfural
98-01-1

furfural

1-(Hydroxyaminomethyl)-1-cyclohexanol
45732-93-2

1-(Hydroxyaminomethyl)-1-cyclohexanol

N-Furfuryliden-(1-hydroxycyclohexyl)methanamin-N-oxid
84966-16-5

N-Furfuryliden-(1-hydroxycyclohexyl)methanamin-N-oxid

Conditions
ConditionsYield
In ethanol Ambient temperature;100%
furfural
98-01-1

furfural

(R)-Phenylglycinol
56613-80-0

(R)-Phenylglycinol

(R)-2-{[1-Furan-2-yl-meth-(E)-ylidene]-amino}-2-phenyl-ethanol
139437-47-1

(R)-2-{[1-Furan-2-yl-meth-(E)-ylidene]-amino}-2-phenyl-ethanol

Conditions
ConditionsYield
With magnesium sulfate In dichloromethane at 20℃; for 12h;100%
In benzene Heating;88%
In benzene Heating;85%
With magnesium sulfate In dichloromethane
In toluene Condensation; Heating;
furfural
98-01-1

furfural

trimethylsulphonium bromide
3084-53-5

trimethylsulphonium bromide

2-furyloxirane
2745-17-7

2-furyloxirane

Conditions
ConditionsYield
With potassium hydroxide In neat (no solvent) Mechanism; var. other bases, effect of water;100%
With potassium hydroxide In water; acetonitrile98%
With potassium hydroxide; water In acetonitrile at 40℃; for 0.833333h; Product distribution;93%
furfural
98-01-1

furfural

vinyl magnesium bromide
1826-67-1

vinyl magnesium bromide

1-(furan-2-yl)-2-propen-1-ol
119619-38-4

1-(furan-2-yl)-2-propen-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at 0℃; for 1h; Inert atmosphere;100%
In tetrahydrofuran at 0 - 20℃; Inert atmosphere;98%
In tetrahydrofuran at 0 - 20℃; Inert atmosphere;92%
furfural
98-01-1

furfural

sodium cyanide
143-33-9

sodium cyanide

chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

carbonic acid, cyano(2-furyl)methyl ethyl ester
20893-23-6

carbonic acid, cyano(2-furyl)methyl ethyl ester

Conditions
ConditionsYield
With tetrabutyl-ammonium chloride In dichloromethane; water Heating;100%
furfural
98-01-1

furfural

m-Anisidine
536-90-3

m-Anisidine

N-(furan-2-ylmethylene)-3-methoxyaniline
95124-20-2

N-(furan-2-ylmethylene)-3-methoxyaniline

Conditions
ConditionsYield
In methanol at 20℃; for 24h;100%
for 2h; Yield given;
With magnesium sulfate In ethanol at 20℃;
furfural
98-01-1

furfural

4-penten-1-ylmagnesium bromide
34164-50-6

4-penten-1-ylmagnesium bromide

(+/-)-1-(furan-2-yl)hex-5-en-1-ol
106549-86-4, 84735-65-9

(+/-)-1-(furan-2-yl)hex-5-en-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at 0℃;100%
In tetrahydrofuran at 0 - 20℃; for 2h; Inert atmosphere;86%
In tetrahydrofuran at 0℃;73%

98-01-1Upstream product

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