Hazard search

Silicon carbide (inhalable)

CAS number
409-21-2
Also known as
Carbon silicide · Carborundum · Silicon carbide (particulates, respirable) · Silicon carbide (particulates, total) · Silicon carbide (respirable) · Silicon monocarbide · Silicone carbide (not whiskers) (total inhalable) · Silicone carbide (not whiskers) (total respirable)

UK workplace exposure limits

LimitValueApplies to
8-hour TWA 10 mg/m³ Silicon carbide (inhalable)
8-hour TWA 4 mg/m³ Silicon carbide (respirable)

Sampling methods

MethodSamplingMedium AnalysisPart numbers
MDHS 14/4
General inhalable or respirable dusts by gravimetric analysis (respirable)
Method document (opens in a new tab)
Active (pump) IOM & foam (or cyclone) with GF filter GR 225-70A
225-772
225-69
225-58F
MDHS 14/4
General inhalable or respirable dusts by gravimetric analysis (total inhalable)
Method document (opens in a new tab)
Active (pump) IOM with GF filter GR 225-70A
225-58F
NIOSH 500
Particulates not otherwise regulated (total inhalable) by Gravimetric analysis
Method document (opens in a new tab)
Active (pump) 37mm, 5µm PVC filter in cassette GR 225-5-37-P
225-2LF
225-1
NIOSH 600
Particulates not otherwise regulated (respirable) by Gravimetric analysis
Method document (opens in a new tab)
Active (pump) Cyclone & 5µm PVC filter in cassette GR 225-01-02
225-5-37-P
225-3LF
225-1
225-8208A
225-3851-PW

Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.

Source: SKC Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)