POLYETHYLENE GLYCOL

[C3H8O2]n

76.095

Color : clear viscous liquid or white powder, depending on the value of “n”

Solubility : >=1g/100 mL at 21 C

Melting Pt. : 65 C

Boiling Pt. : N/A

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TOXICITY : According to the Merck Chemical Index, polyethylene glycol has “low toxicity”.


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PROPYLENE GLYCOL

C3H8O2

76.095

Color : colorless, viscous liquid

Solubility : >=10 g/100 mL at 21 C

Melting Pt. : -59 C

Boiling Pt. : 187.6 C

TOXICITY : Non-toxic; oxidizes into pyruvic and acetic acid when ingested.

SPECIAL NOTES : Used as a fermentation inhibitor.