375721
2-Methyl-1,3-propanediol
99%
Synonym(s):
1,3-Dihydroxy-2-methylpropane, 2-Methylpropan-1,3-diol, Methylpropanediol
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About This Item
Linear Formula:
CH3CH(CH2OH)2
CAS Number:
Molecular Weight:
90.12
Beilstein:
1731422
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
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vapor density
3.2 (vs air)
Quality Level
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.
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
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J Fowles et al.
Regulatory toxicology and pharmacology : RTP, 91, 240-248 (2017-11-04)
2-methyl 1,3-propandiol (MPD) is a low molecular weight, colorless glycol used in polymer and coating applications. The log Kow of -0.6 suggests partitioning to aqueous phases with a low concern for possible bioaccumulation. MPD was found to be inherently biodegradable.
Zhi-Yu Yang et al.
Soft matter, 16(2), 402-410 (2019-12-04)
A series of bio-based poly(propylene-co-2-methyl-1,3-propanediol 2,5-furandicarboxylate) (PPMF) copolyesters, with various compositions from poly(propylene 2,5-furandicarboxylate) (PPF) to poly(2-methyl-1,3-propylene 2,5-furandicarboxylate) (PMePF), were synthesized by conventional melt polymerization. The effects of the substituent group to PPF on the thermal properties, mechanical properties, and
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