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Merck
CN

96500

Zinc sulfate heptahydrate

puriss. p.a., ACS reagent, 99.5-103% (KT)

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About This Item

Linear Formula:
ZnSO4 · 7H2O
CAS Number:
Molecular Weight:
287.56
EC Number:
231-793-3
UNSPSC Code:
12352300
MDL number:
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grade

ACS reagent, puriss. p.a.

assay

99.5-103% (KT)

impurities

≤0.0005% total nitrogen (N)

pH

4.4-6.0 (25 °C, 50 mg/mL in H2O)

anion traces

chloride (Cl-): ≤5 mg/kg

cation traces

As: ≤0.1 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤10 mg/kg, Mg: ≤5 mg/kg, Mn: ≤2 mg/kg, Na: ≤10 mg/kg, Ni: ≤5 mg/kg, Pb: ≤10 mg/kg

SMILES string

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

InChI

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

InChI key

RZLVQBNCHSJZPX-UHFFFAOYSA-L



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signalword

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

Regulatory Information

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