Hazard search

Methyl isocyanate

CAS number
624-83-9
Also known as
Isocyanatomethane · Methyl isocyanate (MIC) · MIC (methyl isocyanate)

UK workplace exposure limits

LimitValueApplies to
15-minute STEL 0.02 ppm

Sampling methods

MethodSamplingMedium AnalysisPart numbers
OSHA 54
Methyl isocyanate by HPLC/UV
Method document (opens in a new tab)
Active (pump) Coated XAD-7 tube (80/40mg) HPLC-FD

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)