19438-61-0

Basic information

• Product Name: 4-Methylphthalic anhydride
• Synonyms: 1,3-Isobenzofurandione, 5-methyl-;5-Methyl-2-benzofuran-1,3-dione;5-methyl-3-isobenzofurandione;4-METHYLPHTHALIC ANHYDRIDE;4-Methylphalic Anhydride;4-METHYLPHTHALIC ANHYDRIDE 95+%;Resorcinol dibenzoate;5-METHYLISOBENZOFURAN-1,3-DIONE
• CAS NO: 19438-61-0
• Molecular Formula: C₉H₆O₃
• Molecular Weight: 162.14
• EINECS: 243-073-6
• Product Categories: Diels-Alder Adducts;Phthalic Acids, Esters and Derivatives;Organics;Anhydride Monomers;Monomers;Polymer Science
• Mol File: 19438-61-0.mol
• Article Data: 13

Chemical Properties

• Melting Point: 90-92 °C(lit.)
• Boiling Point: 295 °C(lit.)
• Flash Point: 156.333 °C
• Appearance: White to yellow-orange/Flakes or Crystalline Powder
• Density: 1.2599 (rough estimate)
• Vapor Pressure: 0.00157mmHg at 25°C
• Refractive Index: 1.5380 (estimate)
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• Water Solubility: insoluble
• CAS DataBase Reference: 4-Methylphthalic anhydride(CAS DataBase Reference)
• NIST Chemistry Reference: 4-Methylphthalic anhydride(19438-61-0)
• EPA Substance Registry System: 4-Methylphthalic anhydride(19438-61-0)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-37/39-36-36/37/39
• WGK Germany: 3
• Hazardous Substances Data: 19438-61-0(Hazardous Substances Data)

Usage

Chemical Properties

white to yellow-orange flakes or

InChI:InChI=1/C9H6O3/c1-5-2-3-6-7(4-5)9(11)12-8(6)10/h2-4H,1H3

Upstream product

• 4316-23-8 4-methylphthalic acid 
• 5999-20-2 4,5-dimethylphthalic anhydride 
• 1694-82-2 cis-3a,4,7,7a-tetrahydro-5-methyl-1,3-isobenzofurandione 
• 106-43-4 para-chlorotoluene 
• 108-88-3 toluene 
• 19438-59-6 4-Methyl-Δ¹-tetrahydrophthalic anhydride 
• 7726-95-6 bromine 
• 64-19-7 acetic acid 
• 3425-89-6 4-methyl-1,2,3,6-tetrahydrophthalic anhydride 

Downstream Products

• 5229-62-9 5-Methyl-2-(4-fluor-naphthoyl-⁽¹⁾)-benzoesaeure 
• 84-54-8 2-methylanthracene-9,10-dione 
• 858843-08-0 2-(3,4-dimethyl-benzoyl)-4-methyl-benzoic acid 
• 3837-38-5 2,6-dimethylanthracene-9,10-dione 
• 134508-26-2 4-bromomethyl-N-phenylphthalimide 
• 134553-14-3 4-(6-diethylaminobenzofuranyl)-N-phenylphthalimide 
• 42760-52-1 4-Methyl-5-nitro-phthalic acid 
• 1448305-12-1 2,7-dimethyl-9,10-diphenylphenanthrene 
• 1448305-13-2 C₂₈H₂₂ 
• 374682-12-9 C₂₈H₂₂ 
• 21991-42-4 6-methyl-1,2,3,4-tetraphenylnaphthalene 
• 494764-55-5 4-(5-methyl-1,3-dioxoisoindolin-2-yl)benzoic acid 
• 1429784-74-6 C₁₅H₁₂N₂O₄S 
• 1429784-73-5 4-((5-methyl-1,3-dioxoisoindolin-2-yl)methyl)benzenesulfonamide 

Related news

Experiment, correlation and molecular simulation for solubility of 4-Methylphthalic anhydride (cas 19438-61-0) in different organic solvents from T = (278.15 to 318.15) K08/17/2019

In this work, the solubility of 4-methylphthalic anhydride in eight organic solvents (methyl acetate, acetone, acetonitrile, toluene, butyl acetate, carbon tetrachloride, cyclohexane, n-heptane) was studied experimentally by the isothermal saturation method at temperatures from (278.15 to 318.15...detailed

Relevant articles and documents

METHOD FOR PRODUCING CARBOXYLIC ACID ANHYDRIDE, METHOD FOR PRODUCING CARBOXYLIC IMIDE, AND METHOD FOR MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER

A method for producing a carboxylic acid anhydride includes heating a composition containing a specific compound in a solvent to yield the carboxylic acid anhydride. The solvent is an aprotic polar solvent having a boiling point of 50° C. or more.

Method of preparing photosensitive resin composition

A 6,6′-dialkyl-3,3′,4,4′-biphenyltetracarboxylic dianhydride is prepared by brominating a 4-alkylphthalic anhydride at its 5-position, and coupling the bromination product in the presence of a nickel catalyst; A photosensitive resin composition containing a polyimide precursor having repetitive units of general formula (7) is applied onto a substrate, exposed to i-line, developed and heated to form a polyimide relief pattern. wherein Y is a divalent organic group, R7and R8are OH or a monovalent organic group, R9and R10are a monovalent hydrocarbon group, R11, R12and R13are a monovalent hydrocarbon group, a and b are an integer of 0 to 2, c is an integer of 0 to 4, and m is an integer of 0 to 3.

PREPARATION OF A LIQUID CURING AGENT FOR EPOXY COMPOSITES OF ISOMETHYLTETRAHYDROPHTHALIC ANHYDRIDE

-