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2-Methyl-1,3-propanediol, MPD, is produced by Arco with an estimated capacity of about 7000 t/a.
The process is designed for the production of 2-Methyl-1,3-propanediol as an alternative to Reppe technology and the acetoxylation of butadiene.
The raw material propylene oxide is isomerized to allyl alcohol in the fifirst step.
CAS: 2163-42-0
MF: C4H10O2
MW: 90.12
EINECS: 412-350-5
Synonyms
2-Methyl-1,3-propanediol (MPO);Methyl propane diol (MP Diol);2-Methyl-1,3-propanediol 99%;1,3-DIHYDROXY-2-METHYLPROPANE;2-METHYL-PROPAN-1,3-DIOL;2-METHYL-1,3-PROPANEDIOL;2-methyl-3-propanediol;3-Propanediol,2-methyl-1
Hydroformylation of allyl alcohol gives 4- hydroxybutanal (79 %) and 3-hydroxy-2-methylpropanal (11 %).
The last step comprises hydrogenation of the n and iso intermediates to the corresponding diols.
2-Methyl-1,3-propanediol is a product produced through hydroformylation of allyl alcohol with carbon monoxide and hydrogen, which is then followed by hydrogenation.
2-Methyl-1,3-propanediol is a colorless low viscosity liquid with low toxicity.
2-Methyl-1,3-propanediol is a non-linear diol with a unique methyl branch.
2-Methyl-1,3-propanediol, also called 1,3-Dihydroxyisobutane, 1,3-Dihydroxy-2-methylpropane, 2-Methyl-1,3-propanediol, is a by-product which is produced by hybroformylation, hydorgenation of Ally Alcohol, carbon monoxide and hydrogen.
2-Methyl-1,3-propanediol is colorless, low viscosity and toxicity liquid with a unique molecular structure- a branched aliphatic diol with two primary hydroxyls.
2-Methyl-1,3-propanediol is a biodegradable, colorless glycol.
This low molecular weight compound has no significant hazard potential and is widely used in polymer and coating applications.
2-Methyl-1,3-propanediol is a glycol and belongs to a class of compounds called alkane diols, which may replace other glycols like propylene or butylene glycol.
2-Methyl-1,3-propanediol is used in cosmetics and personal care products as a solvent and has good antimicrobial properties.
2-Methyl-1,3-propanediol is a clear and colorless liquid.
2-Methyl-1,3-propanediol Chemical Properties
Melting point: -91 °C (lit.)
Boiling point: 123-125 °C/20 mmHg (lit.)
Density: 1.015 g/mL at 25 °C (lit.)
Vapor density: 3.2 (vs air)
Refractive index: n20/D 1.445(lit.)
Fp: >230 °F
Storage temp.: Sealed in dry,Room Temperature
Solubility: Chloroform (Soluble), DMSO (Slightly), Methanol (Slightly)
Pka: 14.51±0.10(Predicted)
Form: Oil
Color: Colourless
Odor: little to no odor
BRN: 1731422
InChIKey: QWGRWMMWNDWRQN-UHFFFAOYSA-N
LogP: -0.740 (est)
CAS DataBase Reference: 2163-42-0(CAS DataBase Reference)
NIST Chemistry Reference: 2-Methyl-1,3-propanediol(2163-42-0)
EPA Substance Registry System: 2-Methyl-1,3-propanediol(2163-42-0)
Uses
2-Methyl-1,3-propanediol is used as a reagent in the synthesis of pyrazolo[1,5-a]pyridinecarbonyl-substituted spirocyclic piperidine ketals as inhibitors of HCV protein NS4B and of hepatitis C viral replication and their lack of cytotoxicity in human cells.
2-Methyl-1,3-propanediol, with its branched and irregular structure, affords noncrystalline resins.
2-Methyl-1,3-propanediol is used in polyesters for solvent- and waterborne coatings, imparting them lower viscosity than neopentyl glycol, easy processability, good flexibility, weatherability, and toughness.
2-Methyl-1,3-propanediol is used in paints with low content of volatile organic compounds (VOC) as two-component polyurethane coating and coil coating.
2-Methyl-1,3-propanediol is also used in glass-fiber-reinforced unsaturated polyesters and gel coats.
2-Methyl-1,3-propanediol is used for chemical modification of polyethylene terephthalate (PET) used in production of fibers and films.
Low content of 2-Methyl-1,3-propanediol in PET fibers improves the dye uptake and in films it improves clarity, toughness, elongation, and shrinkage.
Plasticizers, elastomers, adhesives, cosmetics, and personal care products are other uses of MPD.
2-Methyl-1,3-propanediol is commonly used as a solvent in industrial applications such as coatings, paints, and cleaning formulations.
2-Methyl-1,3-propanediol's low volatility and high solvency make it suitable for dissolving a wide range of organic compounds.
2-Methyl-1,3-propanediol serves as a chemical intermediate in the synthesis of various organic compounds and derivatives.
2-Methyl-1,3-propanediol is used in the production of pharmaceuticals, agrochemicals, and specialty chemicals through various chemical reactions.
2-Methyl-1,3-propanediol is also used as a monomer in the production of polymers and copolymers for applications such as thermoplastics, polyesters, and polyurethanes.
