Zinc hydroxide (EC 243-814-3)
Zinc Substances > Zinc Substances

Substance description/characteristics

  1. Name and other identifiers of the substance:

The substance zinc hydroxide is a mono constituent substance (origin: inorganic)

The following public name is used: zinc hydroxide

Substance identity:
EC number: 243-814-3
EC name: zinc hydroxide
CAS number (EC inventory): 20427-58-1
IUPAC name: zinc dihydroxide
Molecular formula: H2O2Zn
Molecular weight range: 99.4237
  1. Composition of the substance

Degree of purity: > 80 — < 100 % (w/w)

Constituent Typical concentration Concentration range Remarks

Zinc hydroxide

EC no.: 243-814-3

  > 80 — < 100 % (w/w)  


Impurities Typical concentration Concentration range Remarks


EC no.: 231-132-9

ca. 0.5% (w/w)  >=0 — < 1 % (w/w)

Present as oxidic compound


EC no.: 231-791-2
  >2 — < 15 % (w/w)  
  1. Classification

Please download classification information from document at the bottom of the page. Zinc hydroxide was self-classified in both DSD 67/538/EC and CLP 1272/2008/EEC regulations.


This document mentions ONLY the endpoints for which the substance is classified.
(Size : 0.02 MB)
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