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375721

Sigma-Aldrich

2-Methyl-1,3-propanediol

99%

Sinónimos:

1,3-Dihydroxy-2-methylpropane, 2-Methylpropan-1,3-diol, Methylpropanediol

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About This Item

Fórmula lineal:
CH3CH(CH2OH)2
Número de CAS:
2163-42-0
Peso molecular:
90.12
Beilstein/REAXYS Number:
1731422
EC Number:
412-350-5
MDL number:
MFCD00082586
UNSPSC Code:
12162002
PubChem Substance ID:
24863400
NACRES:
NA.23

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.

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)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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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
Designing Polyurethane Solid Polymer Electrolytes for High-Temperature Lithium Metal Batteries
Andersson, et al.
ACS Applied Energy Materials, 5(1), 407-418 (2022)
Cs, V, Cu Keggin-type catalysts partially oxidize 2-methyl-1,3-propanediol to methacrylic acid
Mohammad Jaber et al.
Applied Catalysis A: General, 554, 105-116 (2018)
Lamya Zahir et al.
Life (Basel, Switzerland), 11(1) (2021-01-16)
An innovative type of biodegradable thermoplastic elastomers with improved mechanical properties from very common and potentially renewable sources, poly(L-lactide)-b-poly(2-methyl-1,3-propylene glutarate)-b-poly(L-lactide) (PLA-b-PMPG-b-PLA)s, has been developed for the first time. PLA-b-PMPG-b-PLAs were synthesized by polycondensation of 2-methyl-1,3-propanediol and glutaric acid and successive
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