Hazard search

Phosgene

CAS number
75-44-5
Also known as
Carbonyl chloride · Chloroformyl chloride · Phosgene & chloroformates · Phosgene(CARBONYL CHLORIDE)

UK workplace exposure limits

LimitValueApplies to
8-hour TWA 0.02 ppm
8-hour TWA 0.08 mg/m³
15-minute STEL 0.06 ppm
15-minute STEL 0.25 mg/m³

Sampling methods

MethodSamplingMedium AnalysisPart numbers
OSHA 61
Phosgene by GC -NSD
Method document (opens in a new tab)
Active (pump) Coated XAD-2 tube (150/75mg) GC-NPD 226-117
EPA TO-6
Phosgene by HPLC/UV
Method document (opens in a new tab)
Active (pump) Impinger HPLC-UV 225-36-1
225-22
Non-agency
Phosgene by Colorimetric analysis
Direct-reading Gastec detector tube 810-16
Non-agency 40 Active (pump) GC-FPD 226-153

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)