4,4'-二异氰酸基-3,3'-二甲基二苯基甲烷

名称

[ CAS 号 ]:
139-25-3

[ 中文名 ]:
4,4'-二异氰酸基-3,3'-二甲基二苯基甲烷

[ 英文名 ]:
1,1'-Methylenebis(4-isocyanato-3-methylbenzene)

[中文别名 ]:

4,4-二异氰酸-3,3-二甲基联苯甲烷

[英文别名 ]:

Benzene, 1,1'-methylenebis[4-isocyanato-3-methyl-
Isocyanic acid,ester with di-o-toluenemethane
Bis(4-isocyanato-3-methylphenyl)methane
4,4'-Diisocyanato-3,3'-dimethyldiphenylmethane
1,1'-Methylenebis(4-isocyanato-3-methylbenzene)
Nacconate 310
MFCD00019910
3,3'-dimethyl-4,4'-diisocyanatodiphenylmethane
3,3'-dimethyldiphenylmethane-4,4'-diisocyanate

物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
410.4±45.0 °C at 760 mmHg

[ 分子式 ]:
C₁₇H₁₄N₂O₂

[ 分子量 ]:
278.305

[ 闪点 ]:
169.5±34.1 °C

[ 精确质量 ]:
278.105530

[ PSA ]:
58.86000

[ LogP ]:
5.86

[ 蒸汽压 ]:
0.0±1.0 mmHg at 25°C

[ 折射率 ]:
1.576

MSDS

详细MSDS(安全技术说明书)

毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: NQ8820000

CHEMICAL NAME :: Isocyanic acid, ester with di-o-toluenemethane

CAS REGISTRY NUMBER :: 139-25-3

BEILSTEIN REFERENCE NO. :: 2150383

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C17-H14-N2-O2

MOLECULAR WEIGHT :: 278.33

WISWESSER LINE NOTATION :: OCNR B1 D1R C1 DNCO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 320 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00946

安全信息

[ 海关编码 ]:
2929109000

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海关

[ 海关编码 ]: 2929109000

[ 中文概述 ]:
2929109000. 其他异氰酸酯. 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 ]:
2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%