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Merck
모든 사진(1)

주요 문서

15523

Sigma-Aldrich

Glycerol

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

동의어(들):

1,2,3-Propanetriol, Glycerin

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About This Item

Linear Formula:
HOCH2CH(OH)CH2OH
CAS Number:
Molecular Weight:
92.09
Beilstein:
635685
EC Number:
MDL number:
UNSPSC 코드:
12352104
PubChem Substance ID:
NACRES:
NA.21
bp:
182 °C/20 mmHg (lit.)
vapor pressure:
<1 mmHg ( 20 °C)

vapor density

3.1 (vs air)

vapor pressure

<1 mmHg ( 20 °C)

grade

puriss.

분석

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

양식

viscous liquid

autoignition temp.

698 °F

품질

anhydrous, 99.0-101.0% (alkalimetric)

expl. lim.

2.6-11.3 %

기술

IR spectroscopy: suitable
electrophoresis: suitable

불순물

≤1.0% water (Karl Fischer)

무기 잔류물

≤0.01% (as SO4)

refractive index

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

pH

5.5-8

bp

182 °C/20 mmHg (lit.)

mp

20 °C (lit.)

density

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

양이온 미량물

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

적합성

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

저장 온도

15-25°C

SMILES string

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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일반 설명

Glycerol is odourless, colorless, viscous in nature, and exists as a sweet tasting liquid. It can be derived naturally as well as from petrochemical feedstock. Glycerol has a wide variety of applications, and is one of the most valuable and versatile chemical substances in nature. It can be used as an emollient, solvent, sweetening agent, in pharmaceutical formulations, cosmetics, foodstuffs and toiletries. It is very stable and can be easily stored under normal temperature; also it is non-irritating and has no adverse impact to the environment.

생화학적/생리학적 작용

Glycerol has been used as
  • a supplement during cell culture of Mycobacterium tuberculosis and Mycobacterium avium.
  • a fuel during designing enzymatic biofuel cell.
  • a liquid composite matrix with 4-HCCA and 3-amino­quinoline for analysis of neutral and acidic glycans.
  • a matrix for fast atom bombardment MS.
  • may be employed as liquid matrix for the quantification studies by MALDI (Matrix-assisted laser desorption/ionization mass spectrometry) analysis.
Glycerol is hygroscopic in nature and is soluble in water owing to its three hydrophilic alcoholic hydroxyl groups. It can form both inter- and intramolecular hydrogen bonds, making it a very flexible molecule. The physiologic effect of glycerine is due to cell-mediated immunity, increased IgG production and increased histamine release.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point (°F)

390.2 °F - Pensky-Martens closed cup

Flash Point (°C)

199 °C - Pensky-Martens closed cup


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