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Product Description
2. Molecular formula: Heptahydrate: FeSO47H2O; dry product: FeSO4 nH2O
3. Molecular weight: Heptahydrate: 278.01;
4. CAS: Heptahydrate: 7782-63-0; Dry product: 7720-78-7
5. Properties: Heptahydrate: blue-green crystals or granules. Odorless, slightly or tasteless, astringent, will be weathered in dry air, and easily oxidized into brown-yellow basic ferric sulfate in humid air. Soluble in water, insoluble in ethanol.
Dry product: off-white to beige powder. Has an astringent taste. It is mainly composed of FeSO-Ho, and contains a small amount of FeSO4-4HO. It dissolves slowly in cold water (26.6g/100mL, 20°C), and dissolves rapidly when heated. Insoluble in ethanol. Almost insoluble in 50% sulfuric acid.
6. Uses: nutritional supplements (iron fortifiers), fruit and vegetable coloring agents.
7. Packaging: Inner lined with polyethylene plastic bag, outer layer in composite plastic woven bag, net weight of each bag is 25kg.
8. Storage and remote transportation: This product should be stored in a dry, ventilated and clean warehouse. When loading and transporting, it should be handled lightly to prevent packaging glass powder, prevent moisture, heat, and prevent rain and moisture during transportation. It should be isolated from toxic substances. .
| Specification | GB29211-2012 | FCC VII | |
| Content, w% | Heptahydrate (FeSO4 ·7H2O) | 99.5-104.5 | 99.5-104.5 |
| Dried(FeSO4 | 860- 890 | 86.0-89.0 | |
| Lead(Pb),mg/kg ≤ | 2 | 2 | |
| Arsenic(As),mg/kg ≤ | 3 | --- | |
| Mercury (Hg),mg/kg ≤ | 1 | 1 | |
| Acid Insoluble(Dried),w% | 0.05 | 0.05 | |
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- The quality of our products meets European and American standards.
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Do you have a factory?
Yes, we have factory which is specializing in manufacturing All chemicals
Where does your factory locate at?
Our factory is located at Dalian
What is your lead time?
It depends on the order quantity and the season you place the order.
Can I get a sample to check quality ? is there any fee for it ?
You can get our free samples, but you need to pay the freight
How can l confirm for proceed the bulk? What's the guarantee of product quality?
Always a pre-production sample for your approval before mass production;
Always final lnspection before ship.
What's your payment term ?
TrT, Western Union, MoneyGram, and Paypal,etc.This is negotiable.
What is the shipping method?
lt could be shipped by sea,by air or by express (EMS,UPS,DHL,TNT,FEDEX and ect).