*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KJ0175000
CHEMICAL NAME           : Ethanethiol, 2-amino-
CAS REGISTRY NUMBER     : 60-23-1
LAST UPDATED            : 199710
DATA ITEMS CITED        : 17
MOLECULAR FORMULA       : C2-H7-N-S
MOLECULAR WEIGHT        : 77.16
WISWESSER LINE NOTATION : Z2SH
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * 2-Aminoethanethiol
   * 2-Aminoethyl mercaptan
   * Becaptan
   * Cisteamina
   * Cysteamide
   * Cysteamin
   * Cysteamine
   * Cysteinamine
   * Decarboxycysteine
   * Lambraten
   * MEA
   * Mecramine
   * Mercamine
   * Mercaptamine
   * beta-Mercaptoethylamine
   * (2-Mercaptoethyl)amine
   * Thioethanolamine
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 232 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 5,421,1955
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 84 mg/kg
TOXIC EFFECTS :
   Peripheral Nerve and Sensation - spastic paralysis with or without sensory
   change
   Behavioral - convulsions or effect on seizure threshold
   Skin and Appendages - hair
REFERENCE :
   OSDIAF Osaka Shiritsu Daigaku Igaku Zasshi.  Journal of the Osaka City
   Medical Center.  (Osaka, Japan)  V.4-23, 1955-74.  For publisher
   information, see OIGZDE.  Volume(issue)/page/year: 5,128,1956
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 625 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JMCMAR Journal of Medicinal Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
   20037)  V.6-    1963-  Volume(issue)/page/year: 18,798,1975
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JMCMAR Journal of Medicinal Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
   20037)  V.6-    1963-  Volume(issue)/page/year: 12,510,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 84 mg/kg
TOXIC EFFECTS :
   Peripheral Nerve and Sensation - spastic paralysis with or without sensory
   change
   Behavioral - convulsions or effect on seizure threshold
   Skin and Appendages - hair
REFERENCE :
   OSDIAF Osaka Shiritsu Daigaku Igaku Zasshi.  Journal of the Osaka City
   Medical Center.  (Osaka, Japan)  V.4-23, 1955-74.  For publisher
   information, see OIGZDE.  Volume(issue)/page/year: 5,128,1956
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 190 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CHDDAT Comptes Rendus des Seances de l'Academie des Sciences, Serie D:
   Sciences Naturelles.  (Paris, France)  V.262-291, 1966-80.  For publisher
   information, see CRASEV.  Volume(issue)/page/year: 262,206,1966
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 350 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 5,421,1955
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 150 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARZNAD Arzneimittel-Forschung. Drug Research.  (Editio Cantor Verlag,
   Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.)  V.1-    1951-
   Volume(issue)/page/year: 5,421,1955
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 42 gm/kg
SEX/DURATION            : female 70 day(s) pre-mating  - 21 day(s) post-birth
TOXIC EFFECTS :
   Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
   before birth)
   Reproductive - Fertility - other measures of fertility
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   11,523,1967
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Phage inhibition capacity
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 50 mg/L
REFERENCE :
   APMBAY Applied Microbiology.  (Washington, DC)  V.1-30, 1953-75.  For
   publisher information, see AEMIDF.  Volume(issue)/page/year: 12,234,1964
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   5,199,1978
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   5,199,1978
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 100 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 68,351,1979

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Negative: N crassa-reversion
   
   EPA GENETOX PROGRAM 1988, Inconclusive: E coli polA without S9; Histidine
   reversion-Ames test
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***