*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : QL4725000
CHEMICAL NAME           : 2-Naphthol, 1-nitroso-
CAS REGISTRY NUMBER     : 131-91-9
BEILSTEIN REFERENCE NO. : 0776947
REFERENCE               : 4-07-00-02419 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : C10-H7-N-O2
MOLECULAR WEIGHT        : 173.18
WISWESSER LINE NOTATION : L66J BNO CQ
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Mutagen
SYNONYMS/TRADE NAMES :
   * C.I. 10000
   * alpha-Nitroso-beta-naftol
   * 1-Nitroso-2-naftol
   * Nitroso-beta-naphthol
   * alpha-Nitroso-beta-naphthol
   * 1-Nitroso-2-naphthol
   * Zelen moridlova 4
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 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: 5,35,1953
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 400 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BJCAAI British Journal of Cancer.  (Macmillan Press Ltd., Houndmills,
   Basingstoke, Hants. RG21 2XS, UK)  V.1-    1947-  Volume(issue)/page/year:
   6,160,1952
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 10 ug/plate
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 3,499,1981
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 10 mmol/L
REFERENCE :
   JNSVA5 Journal of Nutritional Science and Vitaminology.  (Business Center
   for Academic Soc. Japan, 2-4-16 Yayoi, Bunkyo-ku, Tokyo 113, Japan)  V.19-
   1973-  Volume(issue)/page/year: 25,317,1979

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 82063
       No. of Facilities: 75 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 1215 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 82063
       No. of Facilities: 20 (estimated)
       No. of Industries: 1
       No. of Occupations: 3
       No. of Employees: 799 (estimated)
       No. of Female Employees: 655 (estimated)

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

 
                            *** END OF RECORD ***