Refractive Indexn20/D 1.493(lit.) ERL 4299 -Risk and Safety Hazard SymbolsXn - Harmful Risk CodesR22 - Harmful if swallowed R36 - Irritating to the eyes Safety DescriptionS26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. ...
四甲基二乙烯基二硅氧烷 乙烯基双封头 2627-95-4 20kg160kg 99% ￥160.00 查看详情 抗氧剂CA 1843-03-4 托配诺 三(丁基甲酚基)丁烷 1KG 25KG 拉那白 ￥580.00 查看详情 拉那白季铵盐-24 32426-11-2 辛基癸基二甲基氯化铵 80%+20%乙醇 ￥88.00 查看详情 异辛醇聚氧乙烯聚氧丙烯醚6 64366-70-7 样吨位...