CAS 7782-63-0
Ferrous sulfate heptahydrate
七水硫酸亚铁
From the buying desk
Much of the supply is a by product of titanium dioxide production, so iron content, free acid and heavy metals vary between producers. Feed and fertilizer buyers should ask for heavy metal results on the COA. Not dangerous goods; it oxidizes and cakes if stored warm and damp.
Import Card
Before you order ferrous sulfate heptahydrate from China, see its register listing, the duty, anti dumping cases and a supplier check on one card, each with its source and date.
Identifiers
- Synonyms
- Green vitriol, Copperas, Iron(II) sulfate heptahydrate
- Formula
- FeSO4·7H2O
- Molecular weight
- 278.02 g/mol
- SMILES
- O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[Fe+2]
- InChIKey
- SURQXAFEQWPFPV-UHFFFAOYSA-L
- HS code (6-digit)
- 283329
US and Australian rules for Ferrous sulfate heptahydrate
Read from the official lists by CAS 7782-63-0. Screening only: check the source before you ship, store or report.
California Prop 65
No entryNo entry for CAS 7782-63-0 in the OEHHA list dated July 31, 2026.
OSHA exposure limit
No entryNo entry for CAS 7782-63-0 in 29 CFR 1910.1000 Tables Z-1 to Z-3.
Australian exposure standard
No entryNo entry for CAS 7782-63-0 in the Safe Work Australia workplace exposure standards.
CERCLA reportable quantity
ListedReportable quantity 1,000 lb (454 kg). A package holding this much needs RQ on the shipping paper.
EPCRA Tier II threshold
No entryNot on the Extremely Hazardous Substances list, so the general 10,000 lb Tier II threshold applies where an SDS is required.
Common applications
- · Water treatment
- · Animal feed and fertilizer
- · Cement chromium reduction
- · Pigment manufacture
Sourcing documentation chain
Every shipment of Ferrous sulfate heptahydrate from China should include a per-batch COA, a current SDS per GB/T 17519 on the China side and the destination jurisdiction's standard on the import side, a packing list, a bill of lading, and a certificate of origin. For Incoterms reference see FOB, CIF, and CFR.
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