一、化学名：硫酸铁铵，硫酸高铁铵
二、分子式：nh4fe(so4)2·12h2o
三、分子量：482.252
四、cas：10138-04-2
五、性状：淡紫色八面晶体，一般稍带浅紫色，在空气中会变为浅褐色，易溶于水，不溶于乙醇。
六、用途：用作分析试剂和媒染剂，也用作制造药物等的原料。
七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重25kg。
八、贮存与运输：本品应贮存在干燥通风清洁的库房中，库温不宜超过37℃，保持容器密封。装载运输时要轻装轻放，防止包装破损，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离。
| 质量指标 | specifications | gb/t1279-2008 | |
| 分析纯 | 化学纯 | ||
| 含量（nh4fe(so4)2·12h2o），w/% ≥ | content (nh4fe(so4)2·12h2o),w/% ≥ | 99.0 | 98.0 |
| 水不溶物，w/% ≤ | water insoluble, w/% ≤ | 0.005 | 0.015 |
| 氯化物（cl）,w/% ≤ | chlorides(cl),w/% ≤ | 0.0005 | 0.005 |
| 硝酸盐（no3），w/% ≤ | nitrates(no3),w/% ≤ | 0.01 | 0.02 |
| 钠（na），w/% ≤ | sodium (na),w/% ≤ | 0.01 | 0.05 |
| 镁（mg），w/% ≤ | magnesium(mg),w/% ≤ | 0.001 | 0.05 |
| 钾（k），w/% ≤ | potassium(k),w/% ≤ | 0.01 | 0.05 |
| 锰（mn），w/% ≤ | manganese(mn),w/% ≤ | 0.005 | ———— |
| 亚铁（fe），w/% ≤ | ferrous(fe),w/% ≤ | 0.001 | 0.005 |
| 铜（cu），w/% ≤ | copper(cu),w/% ≤ | 0.002 | 0.01 |
| 锌（zn），w/% ≤ | zinc(zn),w/% ≤ | 0.003 | 0.01 |
| 铅（pb），w/% ≤ | lead(pb),w/% ≤ | 0.001 | ———— |
1、chemical name: ammonium ferric sulfate
2、molecular formula: nh4fe(so4)2·12h2o
3、molecular weight: 482.252
4、cas: 10138-04-2
5、character: it is lavender octahedral crystal, it will change to light brownness in the air. it is easily soluble in water ,but insoluble in ethanol.
6、usage: it can be used as analytical reagent and mordant, also can be used as the raw material of pharmacy,etc.
7、packing: it is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. the net weight of each bag is 25kg.
8、storage and transport: it should be stored in a dry and ventilative warehouse,kept away from heat and moisture during transportation at the temperature below 37℃, unloaded with care so as to avoid damage. furthermore, it must be stored separately from poisonous substances.