Product Description
1, Basic Information
NAME
The chemical name is ferrous (II) sulfate heptahydrate, and the chemical formula is FeSO 4· 7H 2O.
Appearance and properties
It is a light green monoclinic crystal. This color is mainly due to the presence of ferrous ions (Fe ²+ ). It has a certain degree of moisture absorption and is easy to absorb moisture from the air.
In dry air, ferrous sulfate heptahydrate will weather and gradually lose its crystalline water, turning into white powdery anhydrous ferrous sulfate.
Product Parameters
PO NO. |
JC-632 |
PRODUCTION DATE |
2025-02-02 |
EXPIRY DATE |
2026-02-01 |
PACKING |
25KG BAG |
GRADE |
INDUSTRIAL GRADE |
STANDARD |
GB/T 10531-2016 |
TEST ITEMS |
TEST RESULT |
ASSAY (FeSO4·7H2O) |
≥98.03% |
FERROUS (Fe) |
≥19.2% |
TITANIUM DIOXIDE |
≤0.25% |
FREE ACID |
≤0.3% |
As |
≤0.0003% |
Pb |
≤0.0002% |
Cd |
≤0.0004% |
FORM |
LIGHT GREEN |
CONCLUSION |
QUALIFIED |
INSPECTOR: WANGNA CHECKER:LIHUA ASSESSOR: FUYANYAN |
Certifications

Packaging & Shipping
Company Profile
Shandong Jiuchong Chemical Company Limited was founded in 2016, which is located in Weifang City, Shandong Province, China. We have 228 square meters of office space. Now Jiuchong chemical is a large modern international chemical enterprise with more than 28 series. Since our establishment, the company has gradually established and improved a sound supply chain system, quality monitoring system and service system, ensuring products quality and service.
At the same time, relying on our own geographical location and resource advantages, our company is committed to the optimization of a variety of chemical supply chain, including magnesium chloride, sodium metabisulfite, sodium bicarbonate, calcium chloride, magnesium sulfate, polyaluminium chloride, aluminium sulfate, industrial salt, soda ash etc.
Our products are sold well in 288 domestic cities and more than 36 foreign countries. Now the company has won the praise and trust of domestic and foreign customers. Based on stable quality and output, good team service and staff efforts, we will continue to develop domestic and foreign markets.
Jiuchong chemical takes "integrity, innovation and development" as the concept, puts integrity in the priority position in serving customers, and guarantees high quality products and satisfactory cooperation for customers experience. Your satisfaction is our driving force. Quality is the soul of enterprise and that is what we have always done. In the future, Shandong Jiuchong Chemical Company Limited hopes to build a brilliant tomorrow with you!
FAQ
Q: How long time you can make the shipping?
A: We can make the shipping within 15 days after confirming the order.
Q: what kind of payment does your company support?
A: 100% L/C at sight, T/T in advance, both accepted if you have other payment,please contact me.
Q: Where is your factory located? How can I visit the factory?
A: Our factory located in WEIFANG, China. It is only two hours from QINGDAO. If you would like to visit, please contact us in advance.
Customer Visit
Application
1. In the field of water treatment, it can be used as a flocculant to remove pollutants such as suspended solids, heavy metal ions, and phosphates from water. In the treatment of sewage and industrial wastewater, it can produce iron hydroxide colloids through hydrolysis, adsorb impurities in water, make the water clear, and achieve the goal of purifying water quality.
2. Agricultural field: It is an important iron fertilizer that can supplement iron elements for plants, prevent iron deficiency yellowing disease, improve plant photosynthesis efficiency and stress resistance, promote plant growth and development, especially suitable for crops such as flowers, fruit trees, and vegetables that prefer acidic soil.
3. Industrial production field: It is an important raw material for producing iron based pigments such as magnetic iron oxide and iron oxide red; Used as a paper sizing agent in the papermaking industry, it can improve the water resistance and strength of paper; Used as a tanning agent in the leather industry, it helps with the tanning and dyeing process of leather; In the construction industry, it can be used to prepare concrete admixtures and improve the performance of concrete.