A sensitive gas chromatographic procedure for the determination of 4,4'-diphenylmethane diisocyanate concentration in air is described. Traps containing 20-40-mesh silica gel coated with phosphoric acid are used. After the aspiration of the air, the silica gel is eluted with sodium hydroxide in ...
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4,4'-Diphenylmethane diisocyanate (CAS 101-68-8) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.
4,4'-diphenylmethane Diisocyanate 产品编号: M106783-10kg纯度: 98% CAS号: 101-68-8品牌: 恒化 分子式: C15H10N2O2分子量: 250.2521 英文名称: 4,4'-diphenylmethane Diisocyanate 中文名称: 二苯基甲烷-4,4’-二异氰酸酯库存单价包装规格 现货 ￥2788.00 10克...
Pauluhn J, Dearman R, Doe J, Hext P, Landry TD: Respiratory hypersensitivity to diphenylmethane-4,4'-diisocyanate in guinea pigs: comparison with trimellitic anhydride. Inhal Toxicol 1999, 11: 187–214.Pauluhn J, Dearman R, Doe J, Hext P, Landry TD. Respiratory hypersensitivity to ...
英文别名:Benzene, 1,1'-methylenebis(isocyanato-; 4,4'-,2,4'-,2,2'-Diisocyanatodiphenylmethane; CCRIS 8160; Diphenylmethane diisocyanate; Isocyanic acid, methylenediphenylene ester; Crude MDI; Generic MDI; Non-isomeric-specific MDI; Polymeric 4,4-methylenediphenyl diisocyanate ...
英文名称 Diphenylmethane diisocyanate 中文名称 318 二苯基甲烷-4,4'-二异氰酸酯 亚甲基双(4,1-亚苯基)二异氰酸酯;4,4'-二异氰酸二苯甲烷 CAS号 101-68-8 分子式 C15H10N2O2 分子量 250.25 MDL MFCD00036131 熔点 37 °C 沸点 196 °C @ Press: 5 Torr 相关产品 245 N-甲酰吗啉 4394-85-8 ...
1,1'-亚甲基双(4-异氰酸根合苯)与甲基环氧乙烷、1,2-丙二醇和1,4-丁二醇的聚合物 英文名称: 1,4-Butanediol, polymer with 1,1'-methylenebis[4-isocyanatobenzene], methyloxirane and 1,2-propanediol Diphenylmethane-4,4'-diisocyanate, polymer with 1,4-butanediol, 1,2-propylene glycol, and 1,2-...
DIPHENYLMETHANE 4,4"-DIISOCYANATE (MIXTURE OF DI-A会员价请登录市场价￥666原厂型号 8.20797.0500 贝雷猫货号 RH159740 品牌 默克密理博/Millipore 单件重量 1kg 货期 15天 单位: 500 ML 包装: 500 ML 库存: 0 数量: 500 ML + - 1500 ML起订,增量1500 ML ...
1) diphenylmethane-4,4'-diisocyanate 二苯基甲烷-4,4'-二异氰酸酯 1. Polyurethane elastomers based on diphenylmethane- 4,4′-diisocyanate(MDI)/naphthalene-1,5-diisocyanate (NDI)(abbreviated to M/N-PU) were prepared by two different methods. ...