Zinc metal (EC 231-175-3)
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Substance description/characteristics

1. Name and other identifiers of the substance:

The following public name is used: zinc metal

Substance identity:
EC number: 231-175-3
EC name: zinc
CAS number (EC inventory): 7440-66-6
IUPAC name: zinc
Annex I index number: 030-002-00-7
030-001-00-1
Molecular formula: Zn
Molecular weight range: 65.4079
  1. Composition of the substance

Description: zinc metal in different forms

Degree of purity: > 98.5 — < 99.995 % (w/w)

Constituents
Constituent Typical concentration Concentration range Remarks

zinc

EC no.: 231-175-3
<= 99.995 % (w/w) > 98.5 — <= 99.995 % (w/w) covers secondary and primary SHG zinc

 

Impurities
Impurities Typical concentration Concentration range Remarks

lead

EC no.: 231-100-4
<= 30.0 ppm   Lead can be as high as 1.5 % for secondary zinc grades
  1. Classification

Please download classification information from document at the bottom of the page. Zinc powder was in annex I of the old DSD 67/538/EC legislation and has been taken over in the annex VI of CLP 1272/2008/EC. Classification for environment has been revised according to the new criteria of 2nd ATP of CLP. REACH dossier contains an additional entry for zinc massive (not classified).
 

 

Classification includes Zinc massive, zinc powder stabilised and zinc powder pyrophoric. This document mentions ONLY the endpoints for which the substance, in its differents forms, is classified.
(Size : 0.04 MB)
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