Agent Name

Thioacetic acid

CAS Number

507-09-5

Formula

C2-H4-O-S

Major Category

Other Classes

Synonyms

Schiff's reagent; Acetyl mercaptan; Ethanethioic acid; Ethanethiolic acid; Kyselina thiooctova [Czech]; Methanecarbothiolic acid; Thiacetic acid; Thiolacetic acid; Thionoacetic acid; Acetic acid, thio-; [ChemIDplus] Monothioacetic acid; [CAMEO] Ethanethioic S-acid; [ToxPlanet: ECHA REACH Registrations] UN2436

Category

Organic Acids

Description

Yellow liquid with a pungent odor; [Merck Index] Colorless or pale yellow liquid; [Alfa Aesar MSDS]

Sources/Uses

Used to make other chemicals; [CAMEO] Used as a source of thiol groups in molecular synthesis and as a component of Schiff's reagent; [REPROTOX] Used as a flavoring agent; [FDA]

Comments

Causes other liver changes, changes in urine composition, and hypoglycemia in 10-week dermal studies of rats; [RTECS] A skin and eye irritant; [CAMEO] Safe when used as a flavoring agent in food; [JECFA] Causes severe skin burns and eye damage; [Sigma-Aldrich MSDS] May cause skin sensitization; May cause chemical pneumonitis; [Alfa Aesar MSDS] Search for (507-09-5[EC/RN Number]) AND (dermatitis OR allergic OR sensitizer OR sensitization): no results; [PubMed]

Exposure Assessment
Lethal Concentration

LC50 (rat) = 2,200 mg/m3/2hr

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Other Information

No other related information on this agent was found.