Properties and uses of methyl propylene glycol

Product name: Methylpropylene glycol MPO
English name: 2-Methyl-1, 3-propanediol
Common alias: 2-methyl-1, 3-propylene glycol methyl propylene glycol
Main composition and chemical structure:
CAS number: 2163-42-0 Molecular formula: C4H10O2 Molecular weight: 90.121
Product introduction
Methyl propylene glycol is a transparent liquid with low viscosity. Miscible with water, methanol, ethanol, butanol, propylene glycol, propylene glycol monomethyl ether, tetrahydrofuran, acetone, carbonate lactone, styrene, insoluble in cyclohexane, hexane, toluene, xylene. At about -54℃, the viscosity increases and the crystallization is not obvious.
Characteristics and uses
1. Methylpropylene glycol is a diol with low molecular weight and high boiling point containing 2 primary hydroxyl groups and lateral methyl groups. It is liquid at room temperature and easier to measure and pump than neopentanediol.
2, in the field of polyurethane for the production of low crystallization polyester polyols, and can be used as chain extender, the application of synthetic leather slurry, polyurethane coatings, food flexible packaging composite polyurethane adhesive.

preparation
In the industry, propylene oxide isomerization is used to produce allyl alcohol, which is then hydroformylated and then hydrogenated to synthesize methyl propylene glycol.
Toxicity data
Methylpropylene glycol is almost non-toxic, non-irritating to the skin and eyes, and is approved by the FDA. The oral acute toxicity data of rats was >5000mg/kg, and the cutaneous acute toxicity data of rabbits was >2000mg/kg.