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四甲基硫脲

四甲基硫脲用途

【用途一】
用于有机合成

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四甲基硫脲名称

[ CAS 号 ]:
2782-91-4

[ 中文名 ]:
四甲基硫脲

[ 英文名 ]:
Tetramethylthiourea

[中文别名 ]:

[英文别名 ]:

1,1,3,3-Tetramethylthiourea
N,n,n',n'-tetramethylthiourea
1,1,3,3-Tetramethyl-2-thiourea
Tetramethylthiourea
N,N,N',N'-tetramethyl-2-thiourea
Tetramethyl-2-thiourea
Thiourea, N,N,N',N'-tetramethyl-
EINECS 220-488-0
tetramethyl thiourea
Thiourea,tetramethyl

四甲基硫脲物理化学性质

[ 密度 ]:
1.0±0.1 g/cm3

[ 沸点 ]:
245.0±9.0 °C at 760 mmHg

[ 熔点 ]:
75-77 °C(lit.)

[ 分子式 ]:
C₅H₁₂N₂S

[ 分子量 ]:
132.227

[ 闪点 ]:
102.0±18.7 °C

[ 精确质量 ]:
132.072113

[ PSA ]:
38.57000

[ LogP ]:
0.49

[ 外观性状 ]:
白色或黄白色结晶针状。比重1.37-1.46，熔点74-77℃，沸点245℃，溶于甲基丙稀酸甲脂、丙酮、二硫化碳、甲苯、氯仿、微溶于乙醇、乙醚、不溶于汽油和水.无臭、无味、无毒、.储藏稳定.在于强酸一起加热时会分解,在橡胶中分散好.

[ 蒸汽压 ]:
0.0±0.5 mmHg at 25°C

[ 折射率 ]:
1.524

[ 储存条件 ]:
2-8°C

[ 水溶解性 ]:
32 g/L (20 ºC)

四甲基硫脲MSDS

四甲基硫脲毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YU2750000

CHEMICAL NAME :: Urea, 1,1,3,3-tetramethyl-2-thio-

CAS REGISTRY NUMBER :: 2782-91-4

BEILSTEIN REFERENCE NO. :: 1744916

LAST UPDATED :: 199710

DATA ITEMS CITED :: 14

MOLECULAR FORMULA :: C5-H12-N2-S

MOLECULAR WEIGHT :: 132.25

WISWESSER LINE NOTATION :: 1N1&YUS&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 :: 920 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 - mouse

DOSE/DURATION :: 500 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 :: Unreported

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 400 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 :: 2373 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Endocrine - thyroid tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 250 mg/kg

SEX/DURATION :: female 12 day(s) after conception

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 :: Administration onto the skin

DOSE :: 500 mg/kg

SEX/DURATION :: female 11-12 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetal death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 250 mg/kg

SEX/DURATION :: female 10 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system

MUTATION DATA

TYPE OF TEST :: Cytogenetic analysis

TEST SYSTEM :: Human Lymphocyte

DOSE/DURATION :: 100 ug/L

REFERENCE :: CYGEDX Cytology and Genetics (English Translation). Translation of TGANAK. (Allerton Press Inc., 150 Fifth Ave., New York, NY 10011) V.8- 1974- Volume(issue)/page/year: 20(2),55,1986 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 82211 No. of Facilities: 28 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 1954 (estimated)

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四甲基硫脲安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Gloves

[ 危害码 (欧洲) ]:
Xn:Harmful;

[ 风险声明 (欧洲) ]:
R22

[ 安全声明 (欧洲) ]:
S22-S24/25

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
YU2750000

[ 海关编码 ]:
29309070

四甲基硫脲合成路线

四甲基硫脲上下游产品

四甲基硫脲上游产品

四甲基硫脲下游产品

四甲基硫脲海关

[ 海关编码 ]: 2930909090

[ 中文概述 ]:
2930909090. 其他有机硫化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ 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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