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15523

Sigma-Aldrich

甘油

puriss., anhydrous, 99.0-101.0% (alkalimetric)

别名:

1,2,3-丙三醇, 甘油

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About This Item

线性分子式:
HOCH2CH(OH)CH2OH
CAS号:
56-81-5
分子量:
92.09
Beilstein:
635685
EC 号:
200-289-5
MDL编号:
MFCD00004722
UNSPSC代码:
12352104
PubChem化学物质编号:
329750924
NACRES:
NA.21
方案:
99.0-101.0% (alkalimetric)
99.0-101.0% (calc. on H2O free substance)
技术:
IR spectroscopy: suitable
electrophoresis: suitable
沸点:
182 °C/20 mmHg (lit.)
蒸汽压:
<1 mmHg ( 20 °C)

蒸汽密度

3.1 (vs air)

质量水平

200

蒸汽压

<1 mmHg ( 20 °C)

等级

puriss.

方案

99.0-101.0% (alkalimetric)
99.0-101.0% (calc. on H2O free substance)

表单

viscous liquid

自燃温度

698 °F

质量

anhydrous, 99.0-101.0% (alkalimetric)

expl. lim.

2.6-11.3 %

技术

IR spectroscopy: suitable
electrophoresis: suitable

杂质

≤1.0% water (Karl Fischer)

灼烧残渣

≤0.01% (as SO4)

折射率

n20/D 1.470-1.475
n20/D 1.474 (lit.)

pH值（酸碱度）

5.5-8

沸点

182 °C/20 mmHg (lit.)

mp

20 °C (lit.)

密度

1.2580-1.2644 g/mL at 20 °C
≥1.257 g/mL at 25 °C
1.25 g/mL (lit.)

痕量阳离子

As: ≤1 mg/kg
Cd: ≤1 mg/kg
Hg: ≤1 mg/kg
Pb: ≤1 mg/kg

适用性

complies for reaction against H2SO4
passes test for identity (IR)

储存温度

15-25°C

SMILES字符串

OCC(O)CO

InChI

1S/C3H8O3/c4-1-3(6)2-5/h3-6H,1-2H2

InChI key

PEDCQBHIVMGVHV-UHFFFAOYSA-N

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相关类别

一般描述

甘油是一种无味无色并具有甜味的液体，在自然状态下具有黏性。它可以是自然存在的，也能衍生自石油化工原料。甘油具有十分广泛的应用，是自然中最具价值以及多功能性的化学物质之一。它可用作润肤剂、溶剂、甜味剂用于药物配方、化妆品、食品和化妆品中。它非常稳定且非常易于在常温下进行储存；它也没有刺激性，对环境没有不良影响。

生化/生理作用

甘油天然具有是吸湿性，并因其三个亲水性醇羟基而可溶于水。它可形成分子间及分子内的氢键，使其成为一种非常灵活的分子。 甘油的生理作用与细胞介导的免疫、IgG生成的提高以及增加的组胺释放相关。
甘油已被用作
  • 一种在结核分枝杆菌和鸟分枝杆菌的细胞培养中的补充剂。
  • 一种设计酶法生物燃料电池中的燃料。
  • 一种含有4-HCCA及3-氨基-喹啉并用于中性及酸性多糖分析的液体复合基质。
  • 一种用于快速原子轰击质谱的基质。
  • 可作为液体基质用于基于 MALDI（基质辅助激光解吸电离质谱）分析的定量研究。

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(°F)

390.2 °F - Pensky-Martens closed cup

闪点(°C)

199 °C - Pensky-Martens closed cup

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
STBL4768
STBL3966
STBL3840
MKCV1785
STBL3136

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the viscosity of glycerol?

    The viscosity of glycerol is 648 Centistokes at 20 Deg C (68 Deg F).

  6. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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