*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : QK1292000
CHEMICAL NAME           : 1-Naphthalenesulfonic acid, 4-amino-3-hydroxy-
CAS REGISTRY NUMBER     : 116-63-2
LAST UPDATED            : 199709
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C10-H9-N-O4-S
MOLECULAR WEIGHT        : 239.26
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * 1,2,4-Acid
   * 4-Amino-3-hydroxy-1-naphthalenesulfonic acid
   * 1-Amino-4-sulfo-2-naphthol
   * 1-Amino-2-naphthol-4-sulfonic acid
   * 2-Hydroxy-4-sulfo-1-naphthylamine

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 82275
       No. of Facilities: 358 (estimated)
       No. of Industries: 4
       No. of Occupations: 6
       No. of Employees: 4280 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 82275
       No. of Facilities: 258 (estimated)
       No. of Industries: 5
       No. of Occupations: 8
       No. of Employees: 2811 (estimated)
       No. of Female Employees: 1660 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: Histidine reversion-Ames test
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***