CAS 503-74-2|3-Methylbutanoic acid

Human Endogenous Metabolite

[1]. Ackman RG, et al. Birthweights in the Faroe Islands: possible role of isovaleric acid. J Intern Med. 1989 Feb;225(2):73-5.

CHEMICAL IDENTIFICATION

RTECS NUMBER :

NY1400000

CHEMICAL NAME :

Isovaleric acid

CAS REGISTRY NUMBER :

503-74-2

BEILSTEIN REFERENCE NO. :

1098522

LAST UPDATED :

199710

DATA ITEMS CITED :

12

MOLECULAR FORMULA :

C5-H10-O2

MOLECULAR WEIGHT :

102.15

WISWESSER LINE NOTATION :

QV1Y1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Open irritation test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/31/1972

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 17,841,1979

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/31/1972 ** ACUTE TOXICITY DATA **

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2 mL/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/31/1972

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1120 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold

REFERENCE :

APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 18,141,1961

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

310 uL/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

UCDS** Union Carbide Data Sheet. (Union Carbide Corp., 39 Old Ridgebury Rd., Danbury, CT 06817) Volume(issue)/page/year: 1/31/1972 *** REVIEWS *** TOXICOLOGY REVIEW AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 21,100,1960 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84451 No. of Facilities: 35 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 69 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84451 No. of Facilities: 148 (estimated) No. of Industries: 4 No. of Occupations: 16 No. of Employees: 6695 (estimated) No. of Female Employees: 1037 (estimated)

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