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trimethylthiourea

Names

[ CAS No. ]:
2489-77-2

[ Name ]:
trimethylthiourea

[Synonym ]:
MFCD00059148
Urea,1,1,3-trimethyl-2-thio
Thiourea,trimethyl
Thiate E
1,3,3-Trimethylthiourea
N-methyl-N',N'-dimethylthiourea
N,n,n'-trimethylthiourea
1,1,3-Trimethyl-2-thiourea
TriMethylthiourea
Trimethyl-2-thiourea
1,,1,3-trimethyl-thiourea
EINECS 219-644-0

Chemical & Physical Properties

[ Density]:
1.022g/cm3

[ Boiling Point ]:
132.3ºC at 760 mmHg

[ Melting Point ]:
84°C

[ Molecular Formula ]:
C4H10N2S

[ Molecular Weight ]:
118.20100

[ Flash Point ]:
33.8ºC

[ Exact Mass ]:
118.05600

[ PSA ]:
47.36000

[ LogP ]:
0.44320

[ Vapour Pressure ]:
8.9mmHg at 25°C

[ Index of Refraction ]:
1.52

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YU4900000
CHEMICAL NAME :
Urea, 1,1,3-trimethyl-2-thio-
CAS REGISTRY NUMBER :
2489-77-2
LAST UPDATED :
199701
DATA ITEMS CITED :
9
MOLECULAR FORMULA :
C4-H10-N2-S
MOLECULAR WEIGHT :
118.22
WISWESSER LINE NOTATION :
SUYM1&N1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
316 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
215 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
13 gm/kg/77W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Endocrine - thyroid tumors

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - mouse Lymphocyte
DOSE/DURATION :
4200 mg/L
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year: 12,85,1988 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82038 No. of Facilities: 36 (estimated) No. of Industries: 1 No. of Occupations: 13 No. of Employees: 1063 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82038 No. of Facilities: 60 (estimated) No. of Industries: 2 No. of Occupations: 13 No. of Employees: 1521 (estimated) No. of Female Employees: 52 (estimated)

Safety Information

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
S26-S36/37/39

[ RTECS ]:
YU4900000

[ HS Code ]:
2930909090

Synthetic Route

Precursor & DownStream

Customs

[ HS Code ]: 2930909090

[ Summary ]:
2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%