Ferrous（Ⅱ） sulfate (Iron fertilizer)
　　   Ferrous（Ⅱ） sulfate monohydrate (Ⅰ);
　　   Ferrous（Ⅱ） sulfate heptahydrate (Ⅱ)
　　Other name：Low iron sulfate, copperas, iron vitriol, xerox, iron fertilizer
　　CAS No.: 17375-41-6 (Ⅰ); 7782-63-0 (Ⅱ)
　　EINECS No.: 231-753-5
　　HS No.: 2833291000
　　Molecular Formula: FeSO₄·H₂O (Ⅰ); FeSO₄·7H₂O (Ⅱ)
　　Molecular weight：169.92 (Ⅰ); 278.05 (Ⅱ)
　　1. Appearance: Gray powder (Ⅰ); Turquoise crystal or granule (Ⅱ)
　　2. Specifications:
　　2.1  Ferrous（Ⅱ）sulfate heptahydrate
　　Quality standards：Refer to GB10531–2006

Item                        Index	Drying grade
Ferrous（Ⅱ）sulfate as FeSO4.7H2O，wt%≥	98.0
Iron（Fe）, wt%≥	19.7
Titanium dioxide(TiO2), wt%≤	0.5
Insoluble Matters, wt%≤	0.2
Arsenic（As）, wt%≤	0.0005
Heavy metal as Pb, wt%≤	0.0020

　　2.2  Ferrous（Ⅱ） sulfate monohydrate
　　Quality standards：HG2935-2006

Item                           Index	powder	granular
Ferrous（Ⅱ）sulfate as FeSO4•H2O，wt%≥	91.0	91.0
Iron（Fe）, wt%≥	30.0	30.0
Arsenic（As）, wt%≤	0.0010	0.0010
Heavy metal as Pb, wt%≤	0.002	0.002

　　3. Packaging: Net 25kg in plastic lined woven bag, can also package according to customer request
　　4. Uses: Used as pesticide in agriculture, it can control wheat smut, scar of apple and pear scab disease, fruit rot; Also can be used as a fertilizer, can remove the tree moss and lichen.
　　5. Storage: Stored in cool and ventilated, avoid light place.
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