*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DK6300000
CHEMICAL NAME           : p-Benzoquinone, 2-methyl-
CAS REGISTRY NUMBER     : 553-97-9
LAST UPDATED            : 199710
DATA ITEMS CITED        : 5
MOLECULAR FORMULA       : C7-H6-O2
MOLECULAR WEIGHT        : 122.13
WISWESSER LINE NOTATION : L6V DVJ B1
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Mutagen
SYNONYMS/TRADE NAMES :
   * 2-Methyl-1,4-benzochinon
   * Methyl-p-benzoquinone
   * Methyl-1,4-benzoquinone
   * 2-Methyl-p-benzoquinone
   * 2-Methylbenzoquinone-1,4
   * 2-Methyl-1,4-benzoquinone
   * 2-Methyl-1,4-quinone
   * 1,4-Toluchinon
   * Toluquinone
   * p-Toluquinone
   * 1,4-Toluquinone
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCNSA6 National Academy of Sciences, National Research Council,
   Chemical-Biological Coordination Center, Review.  (Washington, DC)
   Volume(issue)/page/year: 5,39,1953
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 1200 nmol/plate
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 347,37,1995

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X7308
       No. of Facilities: 7 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 1822 (estimated)
       No. of Female Employees: 272 (estimated)

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

 
                            *** END OF RECORD ***