Molecular formula: FeSO4@7H2O
CAS: 7782-63-0
Appearance:
Light blue green crystal
Properties:
Glaucous crystallization. The relative density 1.897, melting point ° C into four 64 when water and salt, salt water into ° C when 65. In the wet air oxidation as alkali type sulphuric acid easy high iron into yellow. Soluble in water, insoluble in alcohol. Aqueous easy oxidation.
Use:
Analytics reagents. DTC, polymerization catalysts. Also used in photoengraving, medium preparation
|
Test item |
Specification |
|
Reagent grade |
Pharmaceutical grade |
|
Appearance |
Conform |
Conform |
|
Assay /% |
≥ 99.0-101.0 |
≥ 98.0-101.0 |
|
Water insoluble /% |
≤ 0.005 |
≤ 0.02 |
|
Chloride (Cl)/% |
≤ 0.001 |
≤ 0.005 |
|
N/% |
≤ 0.001 |
|
|
Phosphate (PO4)/% |
≤ 0.0005 |
≤ 0.002 |
|
Arsenic (As)/% |
≤ 0.0002 |
≤ 0.0002 |
|
Manganese (Mn)/% |
≤ 0.05 |
|
|
Ferric (Fe)/% |
≤ 0.02 |
≤ 0.10 |
|
Copper (Cu)/% |
≤ 0.002 |
≤ 0.01 |
|
Zinc (Zn)/% |
≤ 0.005 |
≤ 0.02 |
|
Lead (Pb)/% |
≤ 0.002 |
≤ 0.005 |
|
Ammonia not sediment /% |
≤ 0.05 |
≤ 0.2 |
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.
Our company has an excellent research team and a highly efficient management team. We have strict internal management systems and highly talented technicians who have rich working experience in chemical production. In addition, we have set up several departments, including R&D, Production, Sales and Service. Our focus is on R&D, ensuring that we provide our customers with top quality and innovative products. In addition, we use stringent quality control measures to ensure the reliability of our products.
We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first", and will sincerely create and share success with all clients. We will do our best to provide perfect service, high-quality products and competitive prices for our customers. If you are interested in any of our products, or wish to place a customized order, please contact us. We will do our best to meet your needs. We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefits.
