*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EK7897000
CHEMICAL NAME           : Butanoic acid, 2-methyl-
CAS REGISTRY NUMBER     : 116-53-0
BEILSTEIN REFERENCE NO. : 1098537
REFERENCE               : 4-02-00-00889 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C5-H10-O2
MOLECULAR WEIGHT        : 102.15
SYNONYMS/TRADE NAMES :
   * Active valeric acid
   * Butyric acid, 2-methyl-
   * Ethylmethylacetic acid
   * 2-Methylbutanoic acid
   * alpha-Methylbutyric acid
   * 2-Methylbutyric acid
   * Methylethylacetic acid
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1870 uL/kg
TOXIC EFFECTS :
   Gastrointestinal - changes in structure or function of salivary glands
   Gastrointestinal - hypermotility, diarrhea
   Musculoskeletal - other changes
REFERENCE :
   ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
   Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128)  V.1-
   1990-  Volume(issue)/page/year: 1,171,1992
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1460 uL/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Behavioral - ataxia
   Gastrointestinal - other changes
REFERENCE :
   ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology,
   Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128)  V.1-
   1990-  Volume(issue)/page/year: 1,171,1992

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X9650
       No. of Facilities: 11 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 193 (estimated)
       No. of Female Employees: 11 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***