MilliporeSigma
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375721

Sigma-Aldrich

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:
Molecular Weight:
90.12
Beilstein:
1731422
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

vapor density

3.2 (vs air)

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

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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.

Packaging

1, 3 L in poly bottle

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

260.6 °F - closed cup

Flash Point(C)

127 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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