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Ferrous Sulfate Heptahydrate

Basic Info

Model No.: CAS No: 7782-63-0

Product Description

Model NO.:CAS No: 7782-63-0 Type:Ferrous Sulfate Appearance:Powder Grade Standard:Industrial Grade Item:Ferrous Sulfate Heptahydrate CAS No.:7782-63-0 Certificate:SGS, ISO2001 Delivery:Within One Week After Deposit Trademark:DH Specification:CAS No: 7782-63-0 Origin:China (Mainland) HS Code:2833291000
Product Description       Ferrous Sulfate, Heptahydrate occurs as blue-green crystals or granules that are efflorescent in dry air.
In moist air, it oxidizes readily to form a brown-yellow, basic ferric sulfate.
      A 1:10 aqueous solution has a pH of about 3.7.
      One gram dissolves in 1.5mL of water at 25°C and in 0.5 mL of boiling water. It is insoluble in alcohol.
      The Mn limit of the product can be lower than 500ppm, and with the low heavy metals the Ferrous Salfate Heptahydrate is particularly suitable for the production of sensitive applications and high value products, such as infant formula and baby food, formula for special medical purpose.   
CAS No. : 7782-60-3 Molecular Formula:FeSO4·7H2O
Molecular Weight: 278.01 Standard: GB/FCC/USP/BP

Appearance Crystals Crystals Crystals Crystals
Color Blue-green Blue-green Blue-green Blue-green
Identification Positive for Ferrous Salts (Iron) and Sulfate Positive for Ferrous Salts (Iron) and Sulfate Positive for Ferrous Salts (Iron) and Sulfate Positive for Ferrous Salts (Iron) and Sulfate
Assay FeSO4·7H2O 99.5%-104.5% 99.5%-104.5% 99.5%-104.5% 98.0%-105.0%
Lead(Pb) Max. 2mg/kg Max. 2mg/kg Max. 10mg/kg ------
Mercury(Hg) Max. 1mg/kg Max. 1mg/kg Max. 3mg/kg ------
Arsenic(As) Max. 3mg/kg ------ Max. 3mg/kg ------
pH ------ ------ ------ 3.0-4.0
Chlorides(Cl) ------ ------ ------ Max. 200mg/kg
Chromium(Cr) ------ ------ ------ Max. 50mg/kg
Copper(Cu) ------ ------ ------ Max. 50mg/kg
Ferric Iron ------ ------ ------ Max. 0.3%
Manganese(Mn) ------ ------ ------ Max. 0.1%
NicKel(Ni) ------ ------ ------ Max. 50mg/kg
Zinc(Zn) ------ ------ ------ Max. 50mg/kg

The microorganisms are all in control.

Standard packaging:25kg/box,carton and PE bag. Packing can be customized according to customer's requirements.
Storage condition:Store in cool, well-ventilated area.
                                  Keep away from direct sunlight. Keep container tightly sealed until ready for use.
                                  Store at RT.
Shelf life:12months.
Method of use:The optimum amount and the process of addition should be tested after some experiments before production.
                            Always follow local and national laws to add.

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