Ethylene (C2H4) | SEMA Gases

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Ethylene (C2H4)

Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula C2H4 or H2C=CH2. It is a colorless flammable gas with a faint “sweet and musky” odour when pure. It is the simplest alkene (a hydrocarbon with carbon-carbon double bonds).

Ethylene is widely used in the chemical industry, and its worldwide production exceeds that of any other organic compound. Much of this production goes toward polyethylene, a widely used plastic containing polymer chains of ethylene units in various chain lengths. Ethylene is also an important natural plant hormone and is used in agriculture to force the ripening of fruits. Ethylene’s hydrate is ethanol.

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.

Ethylene Calibration Gases

34L 58L 110L Cert. tol. Prod. tol. Stability
1000 ppm Ethylene // Air Available Available Available +/- 2% +/- 5% 60
1 % Ethylene // Air Available Available Available +/- 2% +/- 5% 60
1 % Ethylene // Nitrogen Available Available Available +/- 2% +/- 5% 60
1.35 % Ethylene // Air Available Available Available +/- 2% +/- 5% 60
100 % Ethylene (2.5) (pressure restricted 400 psig) Available Available Unavailable N/A N/A 60