375721

2-Methyl-1,3-propanediol

99%

• Synonym(s): 1,3-Dihydroxy-2-methylpropane, 2-Methylpropan-1,3-diol, Methylpropanediol
• Linear Formula: CH₃CH(CH₂OH)₂
• CAS Number: 2163-42-0
• Molecular Weight: 90.12
• Beilstein/REAXYS Number: 1731422
• EC Number: 412-350-5
• MDL number: MFCD00082586
• UNSPSC Code: 12162002
• PubChem Substance ID: 24863400
• NACRES: NA.23

Properties

• vapor density: 3.2 (vs air)
• Quality Level: 200
• assay: 99%
• form: liquid
• refractive index: n20/D 1.445 (lit.)
• bp: 123-125 °C/20 mmHg (lit.)
• mp: −91 °C (lit.)
• density: 1.015 g/mL at 25 °C (lit.)
• SMILES string: CC(CO)CO
• InChI: 1S/C4H10O2/c1-4(2-5)3-6/h4-6H,2-3H2,1H3
• InChI key: QWGRWMMWNDWRQN-UHFFFAOYSA-N

Description

General description

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.

Application

2-Methyl-1,3-propanediol is used:

• In the preparation of solid polymer electrolytes for lithium metal batteries.
• To obtain methyl methacrylate (precursor for polymethyl methacrylate glass) via a partial oxidation process.
• In the synthesis of biodegradable thermoplastic elastomer by condensation reaction.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 260.6 °F - closed cup
• flash_point_c: 127 °C - closed cup
• ppe: Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)