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
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%