Thiourea
Names
[ CAS No. ]:
62-56-6
[ Name ]:
Thiourea
[Synonym ]:
THU
thiouree
Tsizp 34
Sulourea
Thiocarbamidsaeure-amid
carbamimidothioic acid
EINECS 200-543-5
250g
Thiurea
Isothioharnstoff
Thiocarbamide
thio-ure
MFCD00008067
THIO
Cefotaxime Impurity 13
Chemical & Physical Properties
[ Density]:
1.405
[ Boiling Point ]:
186.8±23.0 °C at 760 mmHg
[ Melting Point ]:
171-175 ºC
[ Molecular Formula ]:
CH4N2S
[ Molecular Weight ]:
76.121
[ Flash Point ]:
66.8±22.6 °C
[ Exact Mass ]:
76.009521
[ PSA ]:
84.13000
[ LogP ]:
-1.05
[ Vapour Pressure ]:
0.7±0.4 mmHg at 25°C
[ Index of Refraction ]:
1.654
[ Stability ]:
Stable. Incompatible with strong acids, strong bases, strong oxidizing agents, metallic salts, proteins, hydrocarbons. May react violently with acrolein.
[ Water Solubility ]:
13.6 g/100 mL (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YU2800000
- CHEMICAL NAME :
- Urea, 2-thio-
- CAS REGISTRY NUMBER :
- 62-56-6
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 64
- MOLECULAR FORMULA :
- C-H4-N2-S
- MOLECULAR WEIGHT :
- 76.13
- WISWESSER LINE NOTATION :
- ZYZUS
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human - woman
- DOSE/DURATION :
- 1660 mg/kg/5W
- TOXIC EFFECTS :
- Blood - hemorrhage Blood - granulocytopenia Blood - changes in cell count (unspecified)
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Unreported
- SPECIES OBSERVED :
- Human - man
- DOSE/DURATION :
- 147 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 - rat
- DOSE/DURATION :
- 125 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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 436 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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 100 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 6985 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 4 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Amphibian - frog
- DOSE/DURATION :
- 10 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- 1 gm/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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- 3500 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 :
- 2550 mg/kg/5W-C
- TOXIC EFFECTS :
- Endocrine - changes in thyroid weight
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 25 mg/m3/17W-I
- TOXIC EFFECTS :
- Behavioral - changes in motor activity (specific assay) Endocrine - evidence of thyroid hypofunction Related to Chronic Data - changes in prostate weight
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 47200 ug/m3/39W-I
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - emphysema Lungs, Thorax, or Respiration - chronic pulmonary edema Endocrine - changes in thyroid weight
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 78 gm/kg/56W-C
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Eye) - tumors Sense Organs and Special Senses (Ear) - effect, not otherwise specified
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Multiple routes
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 151 gm/kg/52W-I
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Sense Organs and Special Senses (Eye) - tumors Sense Organs and Special Senses (Ear) - effect, not otherwise specified
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 18 gm/kg/2Y-C
- TOXIC EFFECTS :
- Tumorigenic - neoplastic by RTECS criteria Liver - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 40 gm/kg/2Y-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1950 mg/kg/2Y-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - multiple effects Lungs, Thorax, or Respiration - other changes
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Multiple routes
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 179 gm/kg/1Y-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 90 gm/kg/1Y-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Endocrine - thyroid tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 240 mg/kg
- SEX/DURATION :
- female 12 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1 gm/kg
- SEX/DURATION :
- female 12 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1400 mg/kg
- SEX/DURATION :
- female 16-22 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - endocrine system
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 4800 mg/kg
- SEX/DURATION :
- female 17-22 day(s) after conception lactating female 10 day(s) post-birth
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1 gm/kg
- SEX/DURATION :
- female 10 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 22400 mg/kg
- SEX/DURATION :
- female 10 week(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Maternal Effects - other effects
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 9 gm/kg
- SEX/DURATION :
- male 90 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - other effects on male
MUTATION DATA
- TYPE OF TEST :
- Mutation in mammalian somatic cells
- TEST SYSTEM :
- Rodent - hamster Lung
- DOSE/DURATION :
- 10 mmol/L
- REFERENCE :
- ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 58,5,1985 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 7,95,1974 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 7,95,1974 IARC Cancer Review:Group 2B IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW 85CVA2 "Oncology 1970, Proceedings of the Tenth International Cancer Congress," Chicago, Year Book Medical Pub., 1971 Volume(issue)/page/year: 5,250,1970 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND;Carcinogen JAN 1993 OEL-FRANCE;Carcinogen JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-RUSSIA:STEL 0.3 mg/m3 JAN 1993 OEL-SWEDEN;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82272 No. of Facilities: 1179 (estimated) No. of Industries: 29 No. of Occupations: 25 No. of Employees: 12517 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82272 No. of Facilities: 2999 (estimated) No. of Industries: 50 No. of Occupations: 57 No. of Employees: 37571 (estimated) No. of Female Employees: 10969 (estimated)
Safety Information
[ Symbol ]:
GHS07, GHS08, GHS09
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H302-H351-H361d-H411
[ Precautionary Statements ]:
P201-P273-P301 + P312 + P330-P308 + P313-P391-P501
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
[ Hazard Codes ]:
Xn:Harmful
[ Risk Phrases ]:
R22;R40;R51/53;R63
[ Safety Phrases ]:
S36/37-S61
[ RIDADR ]:
UN 2811 6.1/PG 3
[ WGK Germany ]:
2
[ RTECS ]:
YU2800000
[ Packaging Group ]:
III
[ Hazard Class ]:
6.1
[ 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%
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