*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DC0525000
CHEMICAL NAME           : Benzenethiol
CAS REGISTRY NUMBER     : 108-98-5
BEILSTEIN REFERENCE NO. : 0506523
REFERENCE               : 4-06-00-01463 (Beilstein Handbook Reference)
LAST UPDATED            : 199712
DATA ITEMS CITED        : 28
MOLECULAR FORMULA       : C6-H6-S
MOLECULAR WEIGHT        : 110.18
WISWESSER LINE NOTATION : SHR
COMPOUND DESCRIPTOR     : Reproductive Effector
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * Mercaptobenzene
   * Phenol, thio-
   * Phenyl mercaptan
   * RCRA waste number P014
   * Thiofenol
   * Thiophenol
   * USAF XR-19
 
                       *** 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           : 108 mg
REACTION SEVERITY       : Severe
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,171,1958
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 46200 ug/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - coma
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,171,1958
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 33 ppm/4H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - respiratory stimulation
   Behavioral - somnolence (general depressed activity)
   Sense Organs and Special Senses (Eye) - lacrimation
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,171,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 300 mg/kg
TOXIC EFFECTS :
   Behavioral - tremor
   Lungs, Thorax, or Respiration - respiratory depression
   Skin and Appendages - primary irritation (after topical exposure)
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,171,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 9800 ug/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - coma
   Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,171,1958
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 28 ppm/4H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - respiratory stimulation
   Behavioral - somnolence (general depressed activity)
   Sense Organs and Special Senses (Eye) - lacrimation
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,171,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 25 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       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 134 mg/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,171,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Bird - wild bird species
DOSE/DURATION           : 24 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   21,315,1972
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 500 mg/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
   before birth)
   Reproductive - Effects on Embryo or Fetus - other effects to embryo
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB94-155009
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 500 mg/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Maternal Effects - other effects
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB94-155009

                              *** REVIEWS ***
 
   ACGIH TLV-TWA 2.3 mg/m3 (0.5 ppm)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 0.5 ppm (2 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 0.5 ppm (2.3 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 0.5 ppm (2 mg/m3) JAN 1993
   
   OEL-FINLAND:STEL 0.5 ppm (2.6 mg/m3) JAN 1993
   
   OEL-FRANCE:TWA 0.5 ppm (2 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.5 ppm (2 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 0.5 ppm (2 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.5 mg/m3;STEL 2 mg/m3 JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

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

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO BENZENETHIOL-air:CL 0.1 ppm
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X4092
       No. of Facilities: 24 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 879 (estimated)
       No. of Female Employees: 187 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***