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G7893

Sigma-Aldrich

Glycerol

ACS reagent, ≥99.5%

Synonym(s):

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 Code:
12191502
PubChem Substance ID:
NACRES:
NA.05

grade

ACS reagent

Quality Level

vapor density

3.1 (vs air)

vapor pressure

<1 mmHg ( 20 °C)

Assay

≥99.5%

form

viscous liquid

autoignition temp.

698 °F

expl. lim.

2.6-11.3 %

technique(s)

electrophoresis: suitable

impurities

Acrolein and glucose, passes test
Fatty acid esters, passes test
H2SO4, passes test (darkened)
Neutrality, passes test
≤0.003% Chlorinated compounds (as Cl)
≤0.500% Water (H2O)

ign. residue

≤0.0050%

color

APHA: ≤10

refractive index

n20/D 1.474 (lit.)

pH

5.5-8

bp

182 °C/20 mmHg (lit.)

mp

20 °C (lit.)

density

1.25 g/mL (lit.)

anion traces

sulfate (SO42-): passes test

cation traces

heavy metals (as Pb): ≤2 ppm

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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General description

Glycerol, also known as Glycerin, is a sugar alcohol. It is a viscous liquid that is odorless, colorless, and hygroscopic in nature. It is highly soluble in water and can also react with aldehydes, ketones, acetic acid, methyl, and ethyl acetates forming acetals, cetals, and glycerine acetates. It finds numerous applications in the food, pharmaceutical, and cosmetic sectors.

Application

Glycerol is used as a starting material or reactant in chemical synthesis.

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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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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