一、化学名：硫酸亚铁
二、分子式：七水合物：FeSO4·7H2O；干燥品：FeSO4·nH2O
三、分子量：七水合物：278.01；
四、CAS：七水合物：7782-63-0；干燥品：7720-78-7
五、性状：七水合物：蓝绿色结晶或颗粒。无臭，略带咸味，有收敛性。在干燥空气中会风化，在潮湿空气中易氧化成棕黄色碱式硫酸铁。易溶于水和甘油，不溶于乙醇。
干燥品：灰白色至米色粉末。有涩味。主要由FeSO4·H2O组成，并含少量的FeSO4·4H2O。缓慢溶于冷水（26.6g/100mL, 20℃），加热则迅速溶解。不溶于乙醇。几乎不溶于50%硫酸。
六、用途：营养增补剂（铁质强化剂）、果蔬发色剂。
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，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 |
Specification |
GB29211-2012 |
FCC VII |
||
|
含量，w/% |
七水合物(FeSO4·7H2O) |
Content,w/% |
Heptahydrate (FeSO4·7H2O) |
99.5-104.5 |
99.5-104.5 |
|
干燥品(FeSO4) |
Dried (FeSO4) |
86.0-89.0 |
86.0-89.0 |
||
|
铅（Pb），mg/kg ≤ |
Lead(Pb),mg/kg ≤ |
2 |
2 |
||
|
砷（As），mg/kg ≤ |
Arsenic (As),mg/kg ≤ |
3 |
———— |
||
|
汞（Hg），mg/kg ≤ |
Mercury (Hg),mg/kg ≤ |
1 |
1 |
||
|
酸不溶物（干燥品），w/% ≤ |
Acid Insoluble(Dried), w/% ≤ |
0.05 |
0.05 |
||
1、Chemical Name: Ferrous Sulfate
2、Molecular Formula: FeSO4·7H2O ; FeSO4·nH2O
3、Molecular Weight: Heptahydrate :278.01
4、CAS: Heptahydrate: 7782-63-0 ; Dried: 7720-78-7
5、Character: Heptahydrate: It’s blue-green crystals granules, odorless with astringency. In dry air, it’s efflorescent. In moist air, it oxidizes readily to form a brown-yellow, basic ferric sulfate. It’s soluble in water, insoluble in ethanol.
Dried: It’s gray-white to beige powder.with astringency.It is mainly composed of FeSO4·H2O contains a few of FeSO4·4H2O.It’s slowly soluble in cold water (26.6 g / 100 ml, 20 ℃), It will be dissolved quickly when heating.It's insoluble in ethanol.Almost insoluble in 50% sulfuric acid.
6、Usage: It is used as nutritional supplement(iron fortifier) fruit vegetable colorant.
7、Packing: It is packed with polyethylene bag as inner layer, a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage Transport: It should be stored in a dry ventilative warehouse, kept away from heat moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
