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2,5-Dichlorobenzoyl Chloride is an organic compound characterized by its white solid appearance. It is known for its role as a plant growth stimulator or regulator, making it a valuable chemical in the agricultural industry. Additionally, it serves as a useful research chemical for organic synthesis and other chemical processes, highlighting its importance in the field of chemistry.

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  • 2905-61-5 Structure
  • Basic information

    1. Product Name: 2,5-DICHLOROBENZOYL CHLORIDE
    2. Synonyms: 2,5-DICHLOROBENZOYL CHLORIDE;Benzoyl chloride, 2,5-dichloro- (6CI,7CI,8CI,9CI);2,5-Dichlorobenzoyl;2,5-dichloro-benzoyl chlorid;Benzoyl chloride, 2,5-dichloro-;2,5-Dichlorobenzoic acid chloride
    3. CAS NO:2905-61-5
    4. Molecular Formula: C7H3Cl3O
    5. Molecular Weight: 209.46
    6. EINECS: 220-812-0
    7. Product Categories: ACIDHALIDE;Organics
    8. Mol File: 2905-61-5.mol
  • Chemical Properties

    1. Melting Point: 30°C
    2. Boiling Point: 95°C 1mm
    3. Flash Point: 23 °C
    4. Appearance: /
    5. Density: 1.498 g/cm3
    6. Vapor Pressure: 0.0195mmHg at 25°C
    7. Refractive Index: 1.576
    8. Storage Temp.: N/A
    9. Solubility: soluble in Toluene
    10. CAS DataBase Reference: 2,5-DICHLOROBENZOYL CHLORIDE(CAS DataBase Reference)
    11. NIST Chemistry Reference: 2,5-DICHLOROBENZOYL CHLORIDE(2905-61-5)
    12. EPA Substance Registry System: 2,5-DICHLOROBENZOYL CHLORIDE(2905-61-5)
  • Safety Data

    1. Hazard Codes: C,Xn
    2. Statements: 34-22
    3. Safety Statements: 36/37/39
    4. RIDADR: 3261
    5. WGK Germany:
    6. RTECS:
    7. HazardClass: 8
    8. PackingGroup: III
    9. Hazardous Substances Data: 2905-61-5(Hazardous Substances Data)

2905-61-5 Usage

Uses

Used in Agricultural Industry:
2,5-Dichlorobenzoyl Chloride is used as a plant growth stimulator or regulator for enhancing the growth and development of plants. Its application reason lies in its ability to modulate plant growth processes, leading to improved crop yields and quality.
Used in Chemical Research and Organic Synthesis:
2,5-Dichlorobenzoyl Chloride is used as a research chemical in the field of organic synthesis. It serves as a key intermediate in the synthesis of various organic compounds, contributing to the development of new materials and chemicals with potential applications in various industries.
Used in Pharmaceutical Industry:
Although not explicitly mentioned in the provided materials, 2,5-Dichlorobenzoyl Chloride may also find applications in the pharmaceutical industry as a building block for the synthesis of pharmaceutical compounds. Its role in this industry would be as a chemical intermediate for the development of new drugs and therapeutic agents.

Check Digit Verification of cas no

The CAS Registry Mumber 2905-61-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,0 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2905-61:
(6*2)+(5*9)+(4*0)+(3*5)+(2*6)+(1*1)=85
85 % 10 = 5
So 2905-61-5 is a valid CAS Registry Number.
InChI:InChI=1/C7H3Cl3O/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3H

2905-61-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,5-DICHLOROBENZOYL CHLORIDE

1.2 Other means of identification

Product number -
Other names 2,5-dichloro-benzoyl chloride

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
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:2905-61-5 SDS

2905-61-5Relevant articles and documents

Synthesis and investigation of sulfonated poly(: P -phenylene)-based ionomers with precisely controlled ion exchange capacity for use as polymer electrolyte membranes

Rikukawa, Masahiro,Takahashi, Satoshi,Takeoka, Yuko,Yoshida-Hirahara, Miru,Yoshizawa-Fujita, Masahiro

, p. 12810 - 12822 (2020/04/22)

To achieve precise control of sulfonated polymer structures, a series of poly(p-phenylene)-based ionomers with well-controlled ion exchange capacities (IECs) were synthesised via a three-step technique: (1) preceding sulfonation of the monomer with a protecting group, (2) nickel(0) catalysed coupling polymerisation, and (3) cleavage of the protecting group of the polymers. 2,2-Dimethylpropyl-4-[4-(2,5-dichlorobenzoyl)phenoxy]benzenesulfonate (NS-DPBP) was synthesised as the preceding sulfonated monomer by treatment with chlorosulfuric acid and neopentyl alcohol. NS-DPBP was readily soluble in various organic solvents and stable during the nickel(0) catalysed coupling reaction. Sulfonated poly(4-phenoxybenzoyl-1,4-phenylene) (S-PPBP) homopolymer and seven types of random copolymers (S-PPBP-co-PPBP) with different IECs were obtained by varying the stoichiometry of NS-DPBP. The IECs and weight average molecular weights (Mws) of ionomers were in the range of 0.41-2.84 meq. g-1 and 143 000-465 000 g mol-1, respectively. The water uptake, proton conductivities, and water diffusion properties of ionomers exhibited a strong IEC dependence. Upon increasing the IEC of S-PPBP-co-PPBPs from 0.86 to 2.40 meq. g-1, the conductivities increased from 6.9 × 10-6 S cm-1 to 1.8 × 10-1 S cm-1 at 90% RH. S-PPBP and S-PPBP-co-PPBP (4 : 1) with IEC values >2.40 meq. g-1 exhibited fast water diffusion (1.6 × 10-11 to 8.0 × 10-10 m2 s-1), and were comparable to commercial perfluorosulfuric acid polymers. When fully hydrated, the maximum power density and the limiting current density of membrane electrode assemblies (MEAs) prepared with S-PPBP-co-PPBP (4 : 1) were 712 mW cm-2 and 1840 mA cm-2, respectively.

A substituted boric acid ester compound preparation method and its crystalline form (by machine translation)

-

Paragraph 0190; 0192; 0193; 0194; 0195, (2019/02/04)

The invention of the formula (A) compound and its crystalline form, its preparation method, the invention also discloses the formula (A) compound of the pharmaceutical composition, and the use of said compounds for treating with a proteasome related diseases. (by machine translation)

Conformations, equilibrium thermodynamics and rotational barriers of secondary thiobenzanilides

Kozic, Ján,Novák, Zdeněk,?ímal, Václav,Profant, Václav,Kune?, Ji?í,Vin?ová, Jarmila

, p. 2072 - 2083 (2016/04/09)

The article deals with conformational behaviour of 2-methoxy-2′-hydroxythiobenzanilides. The CS-NH group of these compounds preferentially adopts the Z-conformation. Entropy favours the Z-conformer over the E-conformer, whereas enthalpy slightly favours the E-conformer over the Z-conformer. The rotational barrier about the CS-NH bond was determined to be (81.5±0.4) kJ/mol. No significant rotational barrier was found on the Ar-CS and Ar-NH bonds. All experimental outcomes are compared with the results of quantum-chemical calculations.

Design, synthesis and fungicidal activity of N-substituted benzoyl-1,2,3,4-tetrahydroquinolyl-1-carboxamide

Lei, Peng,Xu, Yan,Du, Juan,Yang, Xin-Ling,Yuan, Hui-Zhu,Xu, Gao-Fei,Ling, Yun

supporting information, p. 2544 - 2546 (2016/07/07)

To find a new lead compound with high biological activity, a series of N-substituted benzoyl-1,2,3,4-tetrahydroquinolyl-1-carboxamide were designed using linking active substructures method. The target compounds were synthesized from substituted benzoic acid by four steps and their structures were confirmed by 1H NMR, IR spectrum and elemental analysis. The in vitro bioassay results indicated that some target compounds exhibited excellent fungicidal activities, and the position of the substituents played an important role in fungicidal activities. Especially, compound 5n, exhibited better fungicidal activities than the commercial fungicide flutolanil against two tested fungi Valsa Mali and Sclerotinia sclerotiorum, with EC50 values of 3.44 and 2.63 mg/L, respectively. And it also displayed good in vivo fungicidal activity against S. sclerotiorum with the EC50 value of 29.52 mg/L.

Anion conductive aromatic copolymers from dimethylaminomethylated monomers: Synthesis, properties, and applications in alkaline fuel cells

Akiyama, Ryo,Yokota, Naoki,Nishino, Eriko,Asazawa, Koichiro,Miyatake, Kenji

, p. 4480 - 4489 (2016/07/07)

A novel series of anion conductive aromatic copolymers were synthesized from preaminated monomers (2,5-, 3,5-, or 2,4-dichloro-N,N-dimethylbenzylamine), and their properties were investigated for alkaline fuel cell applications. The targeted copolymers (QPE-bl-11a, -11b, and -11c) were synthesized via nickel-mediated Ullmann coupling polymerization, followed by quaternization and ion exchange reactions. Unlike the conventional method involving chloromethylation or bromination, this method provided copolymers with well-defined chemical structure. The hydrophilic components of the copolymers were composed of chemically stable phenylene main chain modified with high-density ammonium groups. Oligo(arylene ether sulfone ketone)s were employed as a hydrophobic block. QPE-bl-11a gave tough and bendable membranes by solution casting. The obtained membrane with the highest ion exchange capacity value (IEC = 2.47 mequiv g-1) showed high hydroxide ion conductivity (130 mS cm-1) in water at 80 °C. The QPE-bl-11a membrane showed reasonable alkaline stability in 1 M KOH aqueous solution for 1000 h at 60 °C. A platinum-free fuel cell was successfully operated with hydrazine as a fuel, the QPE-bl-11a as a membrane, and an electrode binder. The maximum power density of 380 mW cm-2 was achieved at a current density of 1020 mA cm-2 with O2.

Regioselective synthesis of 1-substituted indazole-3-carboxylic acids

Veerareddy, Arava,Gogireddy, Surendrareddy,Dubey

, p. 1311 - 1321 (2015/04/27)

In this article, we study the synthesis of 1-substituted indazole-3-carboxylic acids from 2-halobenzoic acids.

Polymerization of novel methacrylated anthraquinone dyes

Dollendorf, Christian,Kreth, Susanne Katharina,Choi, Soo Whan,Ritter, Helmut

supporting information, p. 453 - 459 (2013/04/23)

A new series of polymerizable methacrylated anthraquinone dyes has been synthesized by nucleophilic aromatic substitution reactions and subsequent methacrylation. Thereby, green 5,8-bis(4-(2-methacryloxyethyl)phenylamino)-1,4- dihydroxyanthraquinone (2), blue 1,4-bis(4-((2-methacryloxyethyl)oxy) phenylamino)anthraquinone (6) and red 1-((2-methacryloxy-1,1- dimethylethyl)amino)anthraquinone (12), as well as 1-((1,3-dimethacryloxy-2- methylpropan-2-yl)amino)anthraquinone (15) were obtained. By mixing of these brilliant dyes in different ratios and concentrations, a broad color spectrum can be generated. After methacrylation, the monomeric dyes can be covalently emplaced into several copolymers. Due to two polymerizable functionalities, they can act as cross-linking agents. Thus, diffusion out of the polymer can be avoided, which increases the physiological compatibility and makes the dyes promising compounds for medical applications, such as iris implants.

One-pot preparation of 2,5-dichloro-4'-phenyloxybenzophenone

Davis, Matthew C.,Groshens, Thomas J.

experimental part, p. 255 - 261 (2011/03/20)

Friedel-Crafts-type acylation of phenyl ether with 2,5-dichlorobenzoic acid could be accomplished in a single step using trifluoroacetic anhydride and phosphoric acid. The method gave a greater yield (78%) than the conventional two-step process (71%) of acid chloride generation followed by aluminum trichloride-mediated acylation. Copyright Taylor & Francis Group, LLC.

Synthesis and gas permeability of ester substituted poly(p-phenylene)s

Sakaguchi, Toshikazu,Tominaga, Shinichi,Hashimoto, Tamotsu

experimental part, p. 2163 - 2169 (2012/05/05)

Polymerizations of various ester substituted 2,5-dichlorobenzoates [substituent: linear alkyl groups (1a-f), branched alkyl groups (1g-l), cyclohexyl groups (1m-o), phenyl groups (1p-r), and oxyethylene units (1s-v)] were investigated with Ni-catalyzed/Zn-mediated system in 1-methyl-2-pyrrolidone (NMP) at 80 °C. Most of monomers bearing linear and branched alkyl groups successfully polymerized to give relatively high-molecular-weight polymers (Mn = 10,000-20,800). However, the molecular weight of the polymer having eicocyl groups was low because of steric hindrance of long alkyl chain. The polymerizations of cyclohexyl 2,5-dichlorobenzoate and phenyl 2,5-dichlorobenzoate produced low-molecular-weight polymers, while the polymerizations of monomers with alkyl cyclohexyl and alkyl phenyl groups proceeded to afford polymers with relatively high-molecular-weights. The polymers possessing oxyethylene units were obtained, but the molecular weights were low when the oxyethylene chains were long. The gas permeability of membranes of poly(p-phenylene)s with alkyl chains increased as increasing the length of alkyl chain. The membranes of poly(p-phenylene)s with phenyl groups and oxyethylene units exhibited high densities and relatively low gas permeability. However, the CO2/N2 separation factor of membrane of poly(p-phenylene) having oxyethylene units was as large as 73.6.

Synthesis of (2-chlorophenyl)(phenyl)methanones and 2-(2-chlorophenyl)-1- phenylethanones by Friedel-Crafts acylation of 2-chlorobenzoic acids and 2-(2-chlorophenyl)acetic acids using microwave heating

Mahdi, Jasia,Ankati, Haribabu,Gregory, Jill,Tenner, Brian,Biehl, Edward R.

experimental part, p. 2594 - 2596 (2011/06/21)

Several 2-(2-chlorophenyl)-1-phenylethanones and (2-chlorophenyl)(phenyl) methanones were prepared by the Friedel-Crafts acylation reaction of 2-(2-chlorophenyl) acetic acids and 2-chlorocarboxylic acids, respectively, in the presence of cyanuric chloride, pyridine, and AlCl3 or FeCl 3 using microwave heating. The yields of the ketones were significantly higher than those obtained using conventional heating. In addition, similar reactions carried out with the less inexpensive and less toxic FeCl3 gave titled ketones in comparable yields. Interestingly, the FeCl3 catalyzed reactions gave pure ketones (no chromatographic purification required), whereas the AlCl3 catalyzed reaction gave impure product that required chromatographic purification.

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