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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:
1731422
Número CE:
412-350-5
Número MDL:
MFCD00082586
Código UNSPSC:
12162002
ID de la sustancia en PubChem:
24863400
NACRES:
NA.23
En este momento no podemos mostrarle ni los precios ni la disponibilidad

densidad de vapor

3.2 (vs air)

Ensayo

99%

Formulario

liquid

índice de refracción

n20/D 1.445 (lit.)

bp

123-125 °C/20 mmHg (lit.)

mp

−91 °C (lit.)

densidad

1.015 g/mL at 25 °C (lit.)

cadena SMILES

CC(CO)CO

InChI

1S/C4H10O2/c1-4(2-5)3-6/h4-6H,2-3H2,1H3

Clave InChI

QWGRWMMWNDWRQN-UHFFFAOYSA-N

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Descripción general

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.[1]

Aplicación

2-Methyl-1,3-propanediol is used:
  • In the preparation of solid polymer electrolytes for lithium metal batteries.[2]
  • To obtain methyl methacrylate (precursor for polymethyl methacrylate glass) via a partial oxidation process.[3]
  • In the synthesis of biodegradable thermoplastic elastomer by condensation reaction.[4]

Código de clase de almacenamiento

10 - Combustible liquids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

260.6 °F - closed cup

Punto de inflamabilidad (°C)

127 °C - closed cup

Equipo de protección personal

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificados de análisis (COA)

Lot/Batch Number
SDBB0751
SDBB1303
STBL4093
STBL3646
STBL0508

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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
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.
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)
Designing Polyurethane Solid Polymer Electrolytes for High-Temperature Lithium Metal Batteries
Andersson, et al.
ACS Applied Energy Materials, 5(1), 407-418 (2022)
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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Questions

1–2 of 2 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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