Butane - SEMA Gases

Butane (C4H10) | SEMA Gases

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Butane (C4H10)

Butane is an organic compound with the formula C4H10 that is an alkane with four carbon atoms. Butane is a gas at room temperature and atmospheric pressure. The term may refer to either of two structural isomers, n-butane or isobutane (also called “methylpropane”), or to a mixture of these isomers. Butanes are highly flammable, colorless, easily liquefied gases that quickly vaporize at room temperature.

SEMA Gases is a manufacturer of span gases in disposable cylinder cans from the Netherlands, established from the want to create a label which is applicable for all brands of gas detection equipment. The products of SEMA Gases are used for calibration of portable gas detection instruments and calibration of fixed gas detection systems. SEMA Gases produces single gases (flammable gases, oxygen, toxic gases) and gas mixtures (2, 3, 4 or 5 gas mixtures) in various cylinder size up to 110 ltr.

Butane Calibration Gases

34L 58L 110L Cert. tol. Prod. tol. Stability
(months)
0.4 % Butane // Air Available Available Available +/- 2% +/- 5% 60
0.6 % Butane // Air Available Available Available +/- 2% +/- 5% 60
0.7 % Butane // Air Available Available Available +/- 2% +/- 5% 60
0.75 % Butane // Air Available Available Available +/- 2% +/- 5% 60
0.9 % Butane // Air Available Available Available +/- 2% +/- 5% 60
8 % Butane // Nitrogen
(pressure restricted – psig)
Available Available Unavailable +/- 2% +/- 5% 60
8 % Butane / 13.8 % CO2 // Nitrogen
(pressure restricted – psig)
Available Available Available +/- 2% +/- 5% 60

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