CAS 108-33-8|2-Amino-5-methyl-1,3,4-thiadiazole

Introduction:Basic information about CAS 108-33-8|2-Amino-5-methyl-1,3,4-thiadiazole, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common Name2-Amino-5-methyl-1,3,4-thiadiazole
CAS Number108-33-8Molecular Weight115.15700
Density1.372 g/cm3Boiling Point261.2ºC at 760 mmHg
Molecular FormulaC3H5N3SMelting Point224-225 °C
MSDS/Flash Point111.8ºC

Names

Name2-Amino-5-methyl-1,3,4-thiadiazole
SynonymMore Synonyms

Chemical & Physical Properties

Density1.372 g/cm3
Boiling Point261.2ºC at 760 mmHg
Melting Point224-225 °C
Molecular FormulaC3H5N3S
Molecular Weight115.15700
Flash Point111.8ºC
Exact Mass115.02000
PSA80.04000
LogP1.00990
Vapour Pressure6.12E-05mmHg at 25°C
Index of Refraction1.631
InChIKeyHMPUHXCGUHDVBI-UHFFFAOYSA-N
SMILESCc1nnc(N)s1
Storage conditionRoom temperature.

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XI3500000
CHEMICAL NAME :
1,3,4-Thiadiazole, 2-amino-5-methyl-
CAS REGISTRY NUMBER :
108-33-8
LAST UPDATED :
199504
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C3-H5-N3-S
MOLECULAR WEIGHT :
115.17
WISWESSER LINE NOTATION :
T5NN DSJ CZ E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
FRMCE8 Farmaco. (Societa Chimica Italiana, Corso Strada Nova, 86, Casella Postale 227, 27100 Pavia, Italy) V.44- 1989- Volume(issue)/page/year: 45,223,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
400 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 - X7009 No. of Facilities: 4 (estimated) No. of Industries: 1 No. of Occupations: 16 No. of Employees: 1470 (estimated)

Safety Information

Hazard CodesXi: Irritant;
Risk PhrasesR36/37/38
Safety PhrasesS24/25-S37/39-S26
RTECSXI3500000
HS Code2934999090

Customs

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Synonyms

MFCD00003110
EINECS 203-573-7
5-Methyl-1,3,4-thiadiazol-2-amine
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