Hazard search

1,1,1-Trichloroethane

CAS number
71-55-6
Also known as
1,1,1-Trichloroethane (methyl chloroform) · 1,1,1-Trichloroethane (methyl chloroform) (hydrocarbons, halogenated) · 1,1,1-Trichloroethane (methyl chloroform) (see online Passive Sampling Guide) · Methyl chloroform · Methyl chloroform (1,1,1-trichloroethane) · Methyl chloroform (1,1,1-trichloroethane) (hydrocarbons, halogenated) · Methyl chloroform (1,1,1-trichloroethane) (see online Passive Sampling Guide) · Methyltrichloromethane

UK workplace exposure limits

LimitValueApplies to
8-hour TWA 100 ppm
8-hour TWA 555 mg/m³
15-minute STEL 200 ppm
15-minute STEL 1110 mg/m³

Sampling methods

MethodSamplingMedium AnalysisPart numbers
MDHS 72
VOCs by thermal desorption and GC
Method document (opens in a new tab)
Active (pump) Chromosorb 106 thermal desorption tube (300mg) TD, GC 226-358
MDHS 80 Active (pump) TD, GC 226-358
MDHS 88
VOCs by solvent desorption and GC
Method document (opens in a new tab)
Passive Passive sampler GC-FID 575-001
MDHS 96
VOCs by solvent desorption and GC
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) GC-FID 226-01
MDHS 104
VOCs by solvent desorption and GC
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) 226-01
MDHS 104
VOCs by thermal desorption and GC
Method document (opens in a new tab)
Active (pump) Chromosorb 106 tube (300mg) 226-358
NIOSH 1003
Halogenated hydrocarbons by GC-FID
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) GC-FID 226-01
NIOSH 2549
VOCs (screening) by thermal desorption and GC -MS
Method document (opens in a new tab)
Active (pump) Anasorb GCB2/GCB1/Carbosieve S-111 thermal desorption tube 226-330
OSHA 14
1,1,1-Trichloroethane by GC-FID
Method document (opens in a new tab)
Active (pump) Charcoal tube (100/50mg) GC-FID 226-01
ASTM D 5466 GC-MS
EPA TO-17
VOCs by thermal desorption and GC
Method document (opens in a new tab)
Active (pump) Two Thermal Desorption tubes TD, GC 226-350
226-347
224-26-02
224-26-CPC
Non-agency
Methyl chloroform by Colorimetric analysis
Method document (opens in a new tab)
Direct-reading Gastec detector tube 810-135
810-135L
810-171
Non-agency
VOCs by solvent desorption and GC
Method document (opens in a new tab)
Passive Anasorb CSC (500mg) passive sampler 690-105
Other Passive GC-FID 575-001
Other Passive GC-FID 690-105
Other Internal Passive GC-FID 690-105

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)