Hazard search

Isopentane

CAS number
78-78-4
Also known as
2-Methyl butane (isopentane) · 2-Methylbutane · Ethyl dimethyl methane · Isoamyl hydride · Isopentane (2-methyl butane)

UK workplace exposure limits

LimitValueApplies to
8-hour TWA 600 ppm
8-hour TWA 1800 mg/m³

Sampling methods

MethodSamplingMedium AnalysisPart numbers
MDHS 88 Passive GC-FID 575-002
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
NIOSH 2549
VOCs (screening) by thermal desorption and GC -MS
Method document (opens in a new tab)
Active (pump) Thermal desorption tube 226-330
EPA TO-17
Toxic Organic Compounds by thermal desorption and GC
Method document (opens in a new tab)
Active (pump) Thermal desorption tube 226-300
Non-agency
Isopentane by Colorimetric analysis
Direct-reading Gastec detector tube 810-103
Non-agency
VOCs by solvent desorption and GC-FID
Method document (opens in a new tab)
Passive Passive sampler 575-001
575-002
Other Passive GC-FID 575-001

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)