Related Experiment Video
Updated: May 14, 2026
08:04
Preparation of Functional Silica Using a Bioinspired Method
Published on: August 1, 2018
[Silica classification and labelling under REACH and CLP regulation]
M Coggiola1, A Baracco, F Perrelli
1SCDU di Medicina del Lavoro AO CTO-Maria Adelaide Torino. maurizio.coggiola@unito.it
Giornale Italiano Di Medicina Del Lavoro Ed Ergonomia
|February 12, 2013
Summary
Respirable crystalline silica (RCS) is not supported as a carcinogen by CLP criteria. Instead, it should be classified based on concentration, ranging from Specific Target Organ Toxicant (STOT) RE category 1 to not classifiable.
Area of Science:
- Toxicology
- Chemical Safety
- Occupational Health
Context:
- Current classification and labelling (CLP) criteria for chemicals.
- Literature data on respirable crystalline silica (RCS).
- Regulatory assessment of hazardous substances.
Purpose:
- To evaluate the classification of respirable crystalline silica (RCS) under CLP criteria.
- To determine appropriate hazard classifications for RCS based on available data.
Summary:
- CLP criteria do not support classifying RCS as a carcinogen.
- RCS should be classified as STOT RE category 1 for inhalation if concentration is ≥10%.
- RCS should be classified as STOT RE category 2 for inhalation if concentration is 1-10%.
- RCS is not classifiable as dangerous for human health if concentration is <1%.
Impact:
- Informs regulatory bodies and industry on the correct hazard classification of RCS.
- Promotes safer handling and occupational exposure limits for RCS.
- Contributes to accurate chemical risk assessment and communication.
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