1、Chemical Name: EDTA-FeNa
2、Molecular Formula: C10H12FeN2O8Na·3H2O
3、Molecular Weight: 421.09
4、CAS: 15708-41-5 or 149022-26-4
5、Character: Yellow or tawny crystalline non-toxic powder. It decompose at 240℃. It is soluble in water and acids, slightly soluble in ethanol.
6、Usage: It’s mainly used as complexing agent,oxidant, photosensitive material developing and bleaching agent,black-and-white film thinner.In the biochemistry field,It is used to eliminate the inhibition of enzymatic catalytic reactions caused by trace heavy metals, and used as plant cell culture.It’s widely used in food, health care products, dairy products, drugs, etc.,and it’s an ideal iron supplement.
7、Packing: It is packed with a polyethylene bag as the inner layer, and a compound plastic woven bag as the 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, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| 质量指标 | Specification | GB22557-2008 | FCCVII |
| 含量（Fe），w/% | Content (Fe), w/% | 12.5-13.5 | 12.5-13.5 |
| 含量（EDTA），w/% | Content (EDTA), w/% | 65.5-70.5 | 67.0-72.0 |
| pH（10g/L,25℃） | pH（10g/L,25℃） | 3.3-5.5 | 3.3-3.5 |
| 水不溶物，w/% ≤ | Water Insoluble substances, w/% ≤ | 0.1 | 0.1 |
| 氨基三乙酸，w/% ≤ | Nitrilotriacetic Acid,w/% ≤ | 0.1 | 0.1 |
| 重金属（以Pb计），mg/kg ≤ | Heavy Metal(As Pb),mg/kg ≤ | ———— | ———— |
| 砷 （As），mg/kg ≤ | Arsenic (As), mg/kg ≤ | 1 | 1 |
| 铅（Pb），mg/kg ≤ | Lead (Pb),mg/kg ≤ | 1 | 1 |
| 氯（Cl），mg/kg ≤ | Chloride (Cl),mg/kg ≤ | ———— | 600 |
