CAS 7446-19-7
Zinc sulfate monohydrate
一水硫酸锌
From the buying desk
Feed and fertilizer grades usually quote zinc at 33% or 35% minimum, with lead, cadmium and arsenic limits. It ships as UN3077 and a marine pollutant because of its aquatic toxicity. Granular and powder forms are both common.
Import Card
Before you order zinc sulfate monohydrate 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
- Zinc sulphate monohydrate
- Formula
- ZnSO4·H2O
- Molecular weight
- 179.5 g/mol
- SMILES
- O.[O-]S(=O)(=O)[O-].[Zn+2]
- InChIKey
- RNZCSKGULNFAMC-UHFFFAOYSA-L
- HS code (6-digit)
- 283329
Transport and hazard profile
Transport classification, UN number UN3077, IMDG Class 9, Packing Group III. Classified as a marine pollutant.
GHS hazard statements, Danger. H-codes, H302, H318, H400, H410. Refer to the substance SDS Section 2 for the full classification.
US and Australian rules for Zinc sulfate monohydrate
Read from the official lists by CAS 7446-19-7. Screening only: check the source before you ship, store or report.
California Prop 65
No entryNo entry for CAS 7446-19-7 in the OEHHA list dated July 31, 2026.
OSHA exposure limit
No entryNo entry for CAS 7446-19-7 in 29 CFR 1910.1000 Tables Z-1 to Z-3.
Australian exposure standard
No entryNo entry for CAS 7446-19-7 in the Safe Work Australia workplace exposure standards.
CERCLA reportable quantity
No entryNo entry for CAS 7446-19-7 in 40 CFR 302.4 as read on September 24, 2026.
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
- · Fertilizer micronutrient
- · Animal feed
- · Rayon manufacture
- · Electroplating
Sourcing documentation chain
Every shipment of Zinc sulfate monohydrate 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 plus an MSA China DG packing certificate. For Incoterms reference see FOB, CIF, and CFR.
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Free PDF: the MSDS verification template Sourzi runs against the supplier sheet for every CAS number we book out of China.