Molecular formula: NH4Fe(SO4)2 12H2O
CAS: 7783-83-7
Appearance:
Lilac crystal
Properties:
Pale violet crystal. Easy weathering. The relative density, melting point degree 1.71 37. Heating to 230 degree off one-twelfth son gesso. Soluble in water, insoluble in alcohol.
Use:
Analytics reagents. Such as forset ha German determination halogen used on indicator. Also used as mordant, and used in the pharmaceutical industry
We supply reagent grade pharmaceutical grade USP grade BP grade. If you are interested in our products please contact me.
Test item |
Specification |
Reagent grade |
Pharmaceutical grade |
Appearance |
Conform |
Conform |
Assay /% |
≥ 99.0 |
≥ 98.0 |
Water insoluble/% |
≤ 0.005 |
≤ 0.015 |
Chloride (Cl)/% |
≤ 0.0005 |
≤ 0.005 |
Nitrate (NO3)/% |
≤ 0.01 |
≤ 0.02 |
Sodium (Na)/% |
≤ 0.01 |
≤ 0.05 |
Magnesium (Mg)/% |
≤ 0.001 |
≤ 0.05 |
Potassium (K)/% |
≤ 0.01 |
≤ 0.05 |
Manganese (Mn)/% |
≤ 0.005 |
|
Ferric (Fe)/% |
≤ 0.001 |
≤ 0.005 |
Copper (Cu)/% |
≤ 0.002 |
≤ 0.01 |
Zinc (Zn)/% |
≤ 0.003 |
≤ 0.01 |
Lead (Pb)/% |
≤ 0.001 |
|
Tianjin Flourish Chemical Co., Ltd. is a professional manufacturer engaged in the research, development, production, sale and service of chemicals. Our main products include Fine Chemicals, Chemical Reagents, Pharmaceutical Excipients, and Food Accessories etc. Our company located in Tianjin, we enjoy convenient access to major transportation networks. Guaranteeing stable and timely supply, credible quality and sincere service, our products sell well in both domestic and overseas markets, and enjoy a good reputation among our customers.
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