Chemsite

基本信息

cas:7789-09-5
中文名称:重铬酸铵
中文别名:氮氢红矾,红矾铵;红矾铵;
英文名称:Ammonium dichromate
英文别名:diazanium,oxido-(oxido(dioxo)chromio)oxy-dioxochromium;
分子式:Cr2H8N2O7
分子量:252.06500
精确质量:251.91400
PSA:124.45000
LOGP:-0.24940

物化性质

外观与性状:亮橙色-红色晶体
密度:2.150
熔点:170 °C (dec.)(lit.)
水溶解性:360 g/L (20 ºC)
稳定性:Stability Strong oxidizer - contact with flammable materials may cause fire. Reactions carried out in closed vessels may lead to explosion. Incompatible with organic materials, strong reducing agents.
储存条件:库房通风低温干燥,轻装轻卸,与有机物、还原剂、硫、磷易燃物,食品原料分开存放
蒸汽密度:8.7 (vs air)

安全信息

RTECS号:HX7650000
安全说明:S53-S45-S60-S61
WGK Germany:3
危险类别码:R2; R21; R25; R26; R34; R42/43; R45; R46; R48/23; R50/53; R60; R61; R8
危险品运输编码:UN 1439 5.1/PG 2
危险类别:5.1
包装等级:II
危险品标志:E
危险标志:GHS03, GHS05, GHS06, GHS08, GHS09
信号词:Danger
危险性描述:H272; H301; H312; H314; H317; H330; H334; H340; H350; H360FD; H372; H410
危险性防范说明:P201; P280; P304 + P340 + P310; P305 + P351 + P338; P308 + P313

生产方法及用途

毒性