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EINECS number 270-736-7


CAS number 68477-53-2

Pygas or pyrolysis gasoline is a naphtha-range mixture which contains aromatics, olefins and paraffins ranging from C5s to C12s.

It has a high octane number. It is a by-product of high temperature naphtha/propane/gasoil cracking during ethylene and propylene production.

Pygas is generally used as a gasoline blending mixture due to its high octane number.

Benzene rich pygas streams are used as feedstock for the aromatic (benzene) extraction process.

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