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Zinc hydroxide

Zinc hydroxide Structure
CAS No.
20427-58-1
Chemical Name:
Zinc hydroxide
Synonyms
znmc hydroxide;ZINC HYDROXIDE;Zinc dihydoxide;zincdihydroxide;zinchydroxide(zn(oh)2);Zinc hydroxide≥ 99% (Assay);ZINC HYDROXIDE ISO 9001:2015 REACH
CBNumber:
CB5671092
Molecular Formula:
H2O2Zn
Molecular Weight:
99.39
MOL File:
20427-58-1.mol
Modify Date:
2024/2/29 17:14:14

Zinc hydroxide Properties

Melting point 125, decomposes [HAW93]
Density 3.050
vapor pressure 0Pa at 20℃
form colorless orthorhombic crystals
color colorless orthorhombic crystals, crystalline
PH 8.88(1 mM solution);8.88(10 mM solution);8.88(100 mM solution)
Water Solubility slightly soluble H2O [HAW93]
Solubility Product Constant (Ksp) pKsp: 16.5
Stability Stable.
LogP -1.380 (est)
CAS DataBase Reference 20427-58-1(CAS DataBase Reference)
EPA Substance Registry System Zinc hydroxide (20427-58-1)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS09
Signal word  Warning
Hazard statements  H411-H400
Precautionary statements  P273-P391-P501

Zinc hydroxide Chemical Properties,Uses,Production

Chemical Properties

Colorless crystals.Decomposes at 125C. Almost insoluble in water; forms both zinc salts and zincates.

Physical properties

Colorless orthorhombic crystals; density 3.053 g/cm3; decomposes at 125°C; slightly soluble in water.

Uses

Intermediate, absorbent in surgical dressings, rubber compounding.

Preparation

The compound is prepared by adding a strong alkali to a solution of zinc sulfate or chloride: ZnSO4 + 2NaOH → Zn(OH)2 + Na2SO4.

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Zinc hydroxide Spectrum

zincdihydroxide zinchydroxide(zn(oh)2) ZINC HYDROXIDE znmc hydroxide Zinc dihydoxide Zinc hydroxide≥ 99% (Assay) ZINC HYDROXIDE ISO 9001:2015 REACH 20427-58-1 ZnOH2 H4O2Zn Inorganics