Agent Name

Maleic acid

CAS Number

110-16-7

Formula

C4-H4-O4

Major Category

Other Classes

Synonyms

2-Butenedioic acid; 1,2-Ethylenedicarboxylic acid, (Z); 2-Butenedioic acid, (Z)-; Butenedioic acid, (Z)-; Kyselina maleinova [Czech]; Maleinic acid; Malenic acid; Toxilic acid; cis-1,2-Ethylenedicarboxylic acid; cis-Butenedioic acid; [ChemIDplus] UN2215

Category

Organic Acids

Description

Colorless or white solid; [HSDB] White crystalline powder; [MSDSonline]

Sources/Uses

Used to make alkyd and polyester resins, surface coatings, lubricant additives, plasticizers, copolymers, drugs, and agricultural chemicals; Also used to retard rancidity of oils and to dye and finish textiles (wool, cotton, and silk); [HSDB]

Comments

A strong irritant; [Merck Index] A severe skin, eye, and respiratory tract irritant; May cause kidney damage; [ICSC] A skin, eye, nose, and throat irritant; [HSDB] High concentrations may have corrosive effects to skin and eyes; [CHEMINFO] A skin irritant; Corrosive to eyes; [eChemPortal: ERMA] A skin, eye, and respiratory tract irritant; [eChemPortal: ESIS] An irritant; May cause serious injury to eyes; [MSDSonline]

Exposure Assessment
Vapor Pressure

3.59E-5 mm Hg

Lethal Concentration

LC50 (rat) > 720 mg/m3/1h

Adverse Effects
Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: