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Merck
CN

204986

Zinc sulfate heptahydrate

≥99.95% trace metals basis

Synonym(s):

Zinc(II) sulfate heptahydrate

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About This Item

Linear Formula:
ZnSO4 · 7H2O
CAS Number:
7446-20-0
Molecular Weight:
287.56
NACRES:
NA.23
PubChem Substance ID:
24852302
UNSPSC Code:
12352302
EC Number:
231-793-3
MDL number:
MFCD00149894
Assay:
≥99.95% trace metals basis
Form:
powder, crystals or chunks
Solubility:
H2O: 965 g/L at 20 °C

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Product Name

Zinc sulfate heptahydrate, ≥99.95% trace metals basis

InChI key

RZLVQBNCHSJZPX-UHFFFAOYSA-L

InChI

1S/H2O4S.7H2O.Zn/c1-5(2,3)4;;;;;;;;/h(H2,1,2,3,4);7*1H2;/q;;;;;;;;+2/p-2

SMILES string

O.O.O.O.O.O.O.[Zn++].[O-]S([O-])(=O)=O

agency

suitable for SM 5210

assay

≥99.95% trace metals basis

form

powder, crystals or chunks

reaction suitability

core: zinc

impurities

≤500.0 ppm Trace Metal Analysis

solubility

H2O: 965 g/L at 20 °C

Quality Level

200

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Application

Zinc sulfate heptahydrate can be used:
  • As an electrolyte for rechargeable hybrid aqueous batteries.
  • As a precursor to synthesize ZnO nanoparticles.
  • As a cathodic corrosion inhibitor in batteries.
Zinc sulfate heptahydrate coated activated carbon can be used in water filtration.

General description

Zinc sulfate heptahydrate is a white crystalline solid commonly used as an electrolyte additive in batteries, particularly in zinc-carbon batteries. Additionally, it can be used as a corrosion inhibitor in batteries and a precursor to synthesize nanoparticles.

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ4379
MKCZ0082
MKCW1324
MKCV6317
MKCT4964

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Zinc-sulphate-heptahydrate coated activated carbon for microbe removal from stormwater
Robert M Guest, et al.
Water Science and Technology, 66, 1582-1589 (2012)
Mechanism of Inhibition of Galvanic Corrosion Between Carbon Steel and Stainless Steel by Sodium N-Lauroyl Sarcosinate and Zinc Sulfate
Shuai Hu, et al.
Surface Review and Letters, 27, 1950146-1950146 (2020)
Efficient, One-Step Mechanochemical Process for the Synthesis of ZnO Nanoparticles
Jun Lu, et al.
Industrial & Engineering Chemistry Research, 47, 1095-1101 (2008)
Jorge L Rosado et al.
Food and nutrition bulletin, 33(4), 261-266 (2013-02-22)
Corn tortilla is the staple food of Mexico and its fortification with zinc, iron, and other micronutrients is intended to reduce micronutrient deficiencies. However, no studies have been performed to determine the relative amount of zinc absorbed from the fortified
Zinc sulfate treatment of vocal process granuloma.
Taner Yilmaz
European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 270(3), 1175-1175 (2012-10-12)
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