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Gas Detection

SEMA Gases

Iso-Butylene (I-C4H8) Calibration Gas

Isobutylene (or 2-methylpropene) is a hydrocarbon of industrial significance. It is a four-carbon branched alkene (olefin), one of the four isomers of butylene.

Price and delivery time will be given on request
Available sizes 34L, 58L, 110L
Certification tolerance +/- 10% or +/- 2%
Certification tolerance +/- 20% or +/- 10% or +/- 5%
Stability 60 months

Isobutylene (or 2-methylpropene) is a hydrocarbon of industrial significance. It is a four-carbon branched alkene (olefin), one of the four isomers of butylene. At standard temperature and pressure it is a colourless flammable gas. Isobutylene is used as an intermediate in the production of a variety of products. It is reacted with methanol and ethanol in the manufacture of the gasoline oxygenates methyl tert-butyl ether (MTBE) and ethyl tert-butyl ether (ETBE), respectively.

 

Iso-Butylene Calibration Gases

34L 58L 110L Cert. tol. Prod. tol. Stability
(months)
8 ppm Iso-Butylene // Air Available Available Available +/- 10% +/- 20% 60
10 ppm Iso-Butylene // Air Available Available Available +/- 10% +/- 20% 60
100 ppm Iso-Butylene // Air Available Available Available +/- 2% +/- 10% 60
1000 ppm Iso-Butylene // Air Available Available Available +/- 2% +/- 5% 60
SEMA Gases leaflet SEMA Gases leaflet_A4

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