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並前往http://manalipetro.com/wp-content/uploads/2016/08/PROPYLENE-GLYCOL-IG.pdf

IG CH3 PROPYLENE GLYCOL – IG | HO – CH2 – CH

CH3. PROPYLENE GLYCOL – IG. |. HO – CH2 – CH - OH. DESCRIPTION Propylene Glycol I.G. is a clear, colourless liquid. It is used as a basic.

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