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Zinc sulfate heptahydrate

Also known as: White vitriol, Zinc vitriol, Goslarite, Zinc sulfate heptahydrate (1:1:7), Zinc sulphate heptahydrate, Zinc sulfate 7-hydrate, Zinc(2+) sulfate heptahydrate, SALT OF VITRIOL, ZINC SULFATE, ZINC VITRIOL, ZINCI SULFAS, Zinc Sulfate Heptahydrate, Reag. Ph. Eur., Zinc sulfate heptahydrate for analysis EMSURE

Zinc sulfate heptahydrate (CAS 7446-20-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H14O11SZn and a molecular weight of 287.579 g/mol. Key properties include a melting point of 100 °C, a boiling point of 330ºC at 760 mmHg and a density of 1.957. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H318 — Causes serious eye damage and H410 — Very toxic to aquatic life with long lasting effects. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
7446-20-0
Jingsj CID
J-38503-9
Molecular Formula
H14O11SZn
Molecular Weight
287.579 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point100 °C
Boiling Point330ºC at 760 mmHg
Density1.957
Exact Mass285.954834
PSA153.25000
Additional Property960 g/L

GHS Safety & Compliance

Corrosion / Irritant / Environmental HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H318 — Causes serious eye damage
  • H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information[1]. Campos CG, et al. Targeted Metabolomics of Xylose-Fermenting Yeasts Based on Mass Spectrometry.Methods Mol Biol. 2019;1859:155-169.

Customs & Trade Information

HS Code2833293000

Frequently Asked Questions

What is the CAS number of Zinc sulfate heptahydrate?

The CAS number of Zinc sulfate heptahydrate is 7446-20-0.

What are the molecular formula and molecular weight of Zinc sulfate heptahydrate?

Zinc sulfate heptahydrate has molecular formula H14O11SZn and molecular weight 287.579 g/mol.

Which suppliers offer Zinc sulfate heptahydrate?

1 supplier(s) listed; request a quote for pricing.

Is Zinc sulfate heptahydrate hazardous?

Zinc sulfate heptahydrate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage; H410 — Very toxic to aquatic life with long lasting effects.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Zinc sulfate heptahydrate (CAS 7446-20-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38503-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.