*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XI3850000
CHEMICAL NAME           : 1,3,4-Thiadiazole-2,5-dithiol
CAS REGISTRY NUMBER     : 1072-71-5
LAST UPDATED            : 199710
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : C2-H2-N2-S3
MOLECULAR WEIGHT        : 150.24
WISWESSER LINE NOTATION : T5NN DSJ CSH ESH
COMPOUND DESCRIPTOR     : Primary Irritant
SYNONYMS/TRADE NAMES :
   * Bismuthiol I
   * 2,5-Dimercaptothiadiazole
   * 2,5-Dimercapto-1,3,4-thiadiazole
   * PY 61H
   * 1,3,4-Thiadiazol-dithiol-(2,5)
   * USAF A-8354
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg
REACTION SEVERITY       : Severe
REFERENCE :
   EPASR* United States Environmental Protection Agency, Office of Pesticides
   and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW,
   Washington, DC 20460)  History unknown.  Volume(issue)/page/year:
   8EHQ-0181-0380
 
TYPE OF TEST            : Rinsed with water
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 100 mg/305
REFERENCE :
   EPASR* United States Environmental Protection Agency, Office of Pesticides
   and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW,
   Washington, DC 20460)  History unknown.  Volume(issue)/page/year:
   8EHQ-0181-0380
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD277-689
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - quail
DOSE/DURATION           : >316 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EESADV Ecotoxicology and Environmental Safety.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802)  V.1-    1977-  Volume(issue)/page/year:
   6,149,1982

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X9718
       No. of Facilities: 335 (estimated)
       No. of Industries: 2
       No. of Occupations: 2
       No. of Employees: 1602 (estimated)
       No. of Female Employees: 130 (estimated)

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

 
                            *** END OF RECORD ***