27563-65-1

Basic information

• Product Name: 3-chlorophthalic acid
• Synonyms: 3-chlorophthalic acid;3-Chloro-1,2-benzenedicarboxylic acid;Einecs 248-527-7
• CAS NO: 27563-65-1
• Molecular Formula: C₈H₅ClO₄
• Molecular Weight: 200.5759
• EINECS: 248-527-7
• Mol File: 27563-65-1.mol
• Article Data: 10

Chemical Properties

• Boiling Point: 287.96°C (rough estimate)
• Flash Point: 188.3 °C
• Appearance: /
• Density: 1.4623 (rough estimate)
• Vapor Pressure: 1.05E-06mmHg at 25°C
• Refractive Index: 1.4327 (estimate)
• Storage Temp.: Sealed in dry,Room Temperature
• Water Solubility: 21.2g/L(14 oC)
• CAS DataBase Reference: 3-chlorophthalic acid(CAS DataBase Reference)
• NIST Chemistry Reference: 3-chlorophthalic acid(27563-65-1)
• EPA Substance Registry System: 3-chlorophthalic acid(27563-65-1)

Safety Data

• Hazardous Substances Data: 27563-65-1(Hazardous Substances Data)

Usage

General Description

3-Chlorophthalic acid is a chemical compound with the molecular formula C8H5ClO4. It is a white solid with a melting point of 198-199°C and is often used as a building block in the synthesis of various polymers and dyes. It is primarily utilized in the production of polyester resins, which are used in the manufacture of plastics, coatings, and adhesives. 3-Chlorophthalic acid is also used as an intermediate in the production of pharmaceuticals and agrochemicals. It is classified as a hazardous substance and should be handled with care to avoid skin and eye irritation. Overall, 3-Chlorophthalic acid plays an important role in the chemical industry as a versatile and valuable building block for a wide range of products.

InChI:InChI=1/C8H5ClO4/c9-5-3-1-2-4(7(10)11)6(5)8(12)13/h1-3H,(H,10,11)(H,12,13)

Upstream product

• 1825-30-5 1,5-dichloronaphthalene 
• 608-23-1 3-chloro-o-xylene 
• 7499-08-3 3-chloro-2-methylbenzoic acid 
• 88-99-3 benzene-1,2-dicarboxylic acid 
• 90-13-1 1-Chloronaphthalene 
• 117-21-5 3-chlorophthalic anhydride 
• 615-60-1 4-chloro-1,2-dimethylbenzene 
• 118-45-6 4-chlorophthalic anhydride 
• 611-19-8 1-chloro-2-(chloromethyl)benzene 
• 30515-50-5 Dimethyl-<3-chlor-2-methyl-benzyl>-amin 
• 603-11-2 3-nitrophthalic acid 
• 86-57-7 1-Nitronaphthalene 
• 860365-77-1 acetic acid-(5-nitro-[2]naphthyl ester) 
• 856082-21-8 acetic acid-(5-amino-[2]naphthyl ester) 

Downstream Products

• 37418-88-5 3-hydroxyphthalic anhydride 
• 1013915-44-0 4-chloro-1,3-dihydroisobenzofuran 
• 110706-48-4 3-chloro-1,2-di-(hydroxymethyl)benzene 

Relevant articles and documents

Solubility of 3-chlorophthalic anhydride and 4-chlorophthalic anhydride in organic solvents and solubility of 3-chlorophthalic acid and 4-chlorophthalic acid in water from (283.15 to 333.15) K

The solubility of 3-chlorophthalic anhydride and 4-chlorophthalic anhydride in ethyl acetate, acetone, and 1,4-dioxane and the solubility of 3-chlorophthalic acid and 4-chlorophthalic acid in water were measured using Schreinemaker's wet residue method at

Preparation method for biphenyltetracarboxylic dianhydride mixture

The invention relates to a preparation method for a biphenyltetracarboxylic dianhydride mixture. The preparation method comprises the following steps: with phthalic acid as a starting raw material, carrying out an electrophilic substitution reaction so as to produce a phthalic acid derivative; then subjecting the derivative to esterification so as to produce phthalate; further catalyzing phthalate and carrying out a coupling reaction so as to produce a biphenyl tetraformate mixture; and finally, successively carrying out saponification and acidification so as to produce the product biphenyltetracarboxylic dianhydride mixture. The method provided by the invention uses cheap and easily phthalic acid as the starting raw material and is a novel low-cost easily-operatable environment-friendly production method for biphenyltetracarboxylic dianhydride; moreover, isomeric compounds of all the biphenyltetracarboxylic dianhydride are synthesized at one time in the invention, so efficiency is improved and the cost is reduced.

Method of making halophthalic acids and halophthalic anhydrides

A method of preparing a halophthalic acid is disclosed which comprises the steps of contacting in a liquid phase reaction mixture at least one halogen-substituted ortho-xylene with oxygen and acetic acid at a temperature in a range between about 120° C. and about 220° C. in the presence of a catalyst system yielding a product mixture comprising less than 10 percent halogen-substituted ortho-xylene starting material, a halophthalic acid product, and less than about 10,000 ppm halobenzoic acid and less than about 1000 ppm halophthalide by-products based on a total amount of halophthalic acid present in the product mixture. In addition a method for the preparation of halophthalic anhydride is also disclosed.