Henan Yuanbo Environmental Technology Co., LTD.

Ferrous sulfate heptahydrate Food Grade

Name: Ferrous sulfate heptahydrate Food Grade

Brand : Yuanbo

Place of Origin: Henan, China (Mainland)

Certification: SGS,ISO9001,ISO14001

CAS NO: 7782-63-0 

Delivery time: 7-10 days

Payment terms: T/T or L/C at sight

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  • Parameter
  • Application

Description: A greenish or yellow-brown crystalline solid. Density 15.0 lb /gal. Melts at 64°C and loses the seven waters of hydration at 90°C. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Used for water or sewage treatment, as a fertilizer ingredient.

storage: Package:25kg/ bag with nontoxic polyethylene bags. 


Water treatment chemicals ferrous sulfate have reached the national standard and superior (GB10531-2006). 

Ferrous sulfate heptahydrate/Item index

Industrial water treatment


I class


Ferrous sulfate FeS04·7H20 content



Titanium dioxide(Ti02) content



Water insoluble matter



Free acid(H2S04) content




Application Field:
Industrially,It is a reducing agent, mostly for the reduction of chromate in cement. The term copperas refers to the historical use of ferrous sulfate as a chemical in the textile industry from the 17th century when it was used as a textile dye fixative, as a mean to blacken leather and also as ink.
It has been used in the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.
Application Method:
1.Add suitable amount of FS to wastewater and then stir evenly.
2.The amount of FS is proportional to the polluting extent of wastewater, commonly 15-50 kilograms dosage to 1000ton wastewater.
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