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2-Methyl-1,3-Propanediol (MP Diol)

CAS : 2163-42-0

2-Methyl-1,3-Propanediol (MP Diol)


2-Methyl-1,3-propanediol is a colorless, low viscosity, low order of toxicity liquid with a unique molecular structure: a branched aliphatic diol with two primary hydroxyls. This structure inhibits the crystallization of 2-methyl-1,3-propanediol Glycol allowing it to remain liquid even in cold temperature. The main applications are the manufacture of unsaturated polyester resin, saturated polyester, alkyd resin, polyurethane, plasticizer, 2-Methyl-propylene glycol diacrylate, 2-Methyl-propylene glycol alkoxylate diacrylate, 2-Methyl-propylene glycol alkoxylate, polyester polyol, modified PET for fiber and bottle, and personal care. 

2-Methyl-1,3-Propanediol (MP Diol)


 Boiling Point (760 torr) 212°C
 Freezing Point 0.12 %w/w
 Specific Gravity (20°C/20°C) 0.40 %w/w
 Flash Point 99.60 %w/w
 Ignition Temperature 380°C


It is used in the production of polyesters, polyurethane coatings, adhesives, sealants or elastomers required to keep transparency, weatherability and long stability. It is also used as an emulsifier and a humectant for the end applications of personal care products.



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