Ammonium oxalate
- PRODUCT DETAIL
1、Chemical Name: Ammonium Oxalate
2、Molecular Formula : （NH4）2C2O4·H2O
3、Molecular Weight: 142.11
4、CAS：6009-70-7
5、Character: It occurs as colorless crystal. Relative density is 1.501. Refractive index is 1.439. It’s soluble in water, but insoluble in ethanol.
6、Usage: It’s used as analytical reagent, organic synthetic intermediate.
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, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| 质量指标 | Specification | HG/T 3453-2012 |
| 含量[（NH4）2C2O4·H2O] w/% ≥ | Assay [（NH4）2C2O4·H2O] w/% ≥ | 99.5 |
| pH值（50g/L,25℃） | pH （50g/L,25℃） | 6.0-7.0 |
| 澄清度试验/号 ≤ | Clarity Test/No ≤ | 6 |
| 水不溶物，w/% ≤ | Insoluble Substances，w/% ≤ | 0.015 |
| 氯化物（Cl计），w/% ≤ | Chlorides (Cl) ，w/% ≤ | 0.002 |
| 硫酸盐（SO42-），w/% ≤ | Sulfates (SO4) ，w/% ≤ | 0.02 |
| 钠（Na），w/% ≤ | Sodium (Na) ，w/% ≤ | 0.005 |
| 镁（Mg），w/% ≤ | Magnesium (Mg) ，w/% ≤ | 0.005 |
| 钾（K），w/% ≤ | Potassium (K) ，w/% ≤ | 0.005 |
| 钙（Ca），w/% ≤ | Calcium (Ca) ，w/% ≤ | 0.005 |
| 铁（Fe），w/% ≤ | Iron (Fe) ，w/% ≤ | 0.001 |
| 重金属（Pb），w/% ≤ | Heavy Metal (As Pb) ，w/% ≤ | 0.0015 |
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