*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : NY1400000
CHEMICAL NAME : Isovaleric acid
CAS REGISTRY NUMBER : 503-74-2
BEILSTEIN REFERENCE NO. : 1098522
REFERENCE : 4-02-00-00895 (Beilstein Handbook Reference)
LAST UPDATED : 199710
DATA ITEMS CITED : 12
MOLECULAR FORMULA : C5-H10-O2
MOLECULAR WEIGHT : 102.15
WISWESSER LINE NOTATION : QV1Y1&1
COMPOUND DESCRIPTOR : Primary Irritant
SYNONYMS/TRADE NAMES :
* Acetic acid, isopropyl-
* Butyric acid, 3-methyl-
* Delphinic acid
* Isopentanoic acid
* Isopropylacetic acid
* Isovalerianic
* Isovalerianic acid
* Kyselina isovalerova
* 3-Methylbutanoic acid
* 3-Methylbutyrate
* beta-Methylbutyric acid
* 3-Methylbutyric acid
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Open irritation test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 470 mg
REACTION SEVERITY : Moderate
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
DOSE/DURATION : 500 mg/24H
REACTION SEVERITY : Moderate
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
DOSE/DURATION : 940 ug
REACTION SEVERITY : Mild
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)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***