SILICON CARBIDE

CAS number: 409-21-2

Molecular formula: SiC

Chemical Structure:

(National Center for Biotechnology Information (NCBI; US) 2005)

NONFIBROUS PARTICLES (containing < 0.1% crystalline silica)

TLV^®–TWA, 10 mg/m³, Inhalable particulate matter

TLV–TWA, 3 mg/m³, Respirable particulate matter

FIBROUS FORMS (including whiskers)

TLV–TWA, 0.1 f/cc, respirable fibers*

A2–Suspected Human Carcinogen

*Fibers ≥ 5 μm in length, with an aspect ratio ≥ 3:1, as determined by a validated fiber measurement method.

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