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375721

Sigma-Aldrich

2-甲基-1,3-丙二醇

99%

别名:

1,3-二羟基-2-甲基丙烷, 2-甲基丙烷-1,3-二醇, 甲基丙二醇

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1 L
$116.00
3 L
$291.00

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1 L
$116.00
3 L
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About This Item

线性分子式:
CH3CH(CH2OH)2
CAS号:
2163-42-0
分子量:
90.12
Beilstein:
1731422
EC 号:
412-350-5
MDL编号:
MFCD00082586
UNSPSC代码:
12162002
PubChem化学物质编号:
24863400
NACRES:
NA.23

$116.00

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蒸汽密度

3.2 (vs air)

质量水平

200

方案

99%

表单

liquid

折射率

n20/D 1.445 (lit.)

沸点

123-125 °C/20 mmHg (lit.)

mp

−91 °C (lit.)

密度

1.015 g/mL at 25 °C (lit.)

SMILES字符串

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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相关类别

一般描述

2-甲基-1,3-丙二醇是一种可生物降解的无色甘醇。这种低分子量化合物没有显著的危害潜力，可广泛应用于聚合物和涂层应用。[1]

应用

2-甲基-1,3-丙二醇可用于：
  • 制备锂金属电池的固体聚合物电解质。[2]
  • 通过部分氧化过程获得甲基丙烯酸甲酯（聚甲基丙烯酸甲酯玻璃的前体）。[3]
  • 通过缩合反应合成可生物降解热塑性弹性体。[4]

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(°F)

260.6 °F - closed cup

闪点(°C)

127 °C - closed cup

个人防护装备

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

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SDBB0751
SDBB1303
STBL4093
STBL3646
STBL0508

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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)
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
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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  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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