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GX0185

Supelco

Glycerol

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

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Synonym(s):
Glycerin, 1, 1,2,3-Propanetriol, Glycerin
Linear Formula:
HOCH2CH(OH)CH2OH
CAS Number:
Molecular Weight:
92.09
Beilstein:
635685
MDL number:
EC Index Number:
200-289-5

Agency

meets USP/NF

Quality Level

vapor density

3.1 (vs air)

vapor pressure

<1 mmHg ( 20 °C)

Assay

≥99.5% (GC)

form

liquid

autoignition temp.

698 °F

technique(s)

electrophoresis: suitable

impurities

≤0.003% Chlorinated compounds (as Cl)
≤0.05% Fatty acid esters (as butyric acid)
≤0.5% Water
≤2 ppm Heavy metals (as Pb)

ign. residue

≤0.005%

color

APHA: ≤10

refractive index

n20/D 1.474 (lit.)

pH

5 (20 °C, 100 g/L in H2O)

bp

182 °C/20 mmHg (lit.)

mp

20 °C (lit.)

transition temp

flash point 199 °C

density

1.25 g/mL (lit.)

anion traces

sulfate (SO42-): ≤0.001%

shipped in

ambient

storage temp.

room temp

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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Glycerol Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

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Glycerol ReagentPlus&#174;, &#8805;99.0% (GC)

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vapor pressure

<1 mmHg ( 20 °C)

vapor pressure

<1 mmHg ( 20 °C)

vapor pressure

<1 mmHg ( 20 °C)

vapor pressure

<1 mmHg ( 20 °C)

assay

≥99.5% (GC)

assay

≥95%

assay

≥99.0% (GC)

assay

≥99.5%

form

liquid

form

liquid

form

viscous liquid

form

viscous liquid

autoignition temp.

698 °F

autoignition temp.

698 °F

autoignition temp.

698 °F

autoignition temp.

698 °F

technique(s)

electrophoresis: suitable

technique(s)

electrophoresis: suitable

technique(s)

electrophoresis: suitable

technique(s)

electrophoresis: suitable

Application

Glycerol is used both in sample preparation and gel formation for polyacrylamide gel electrophoresis. Glycerol (5-10%) increases the density of a sample so that the sample will layer at the bottom of a gel′s sample well. Glycerol is also used to aid in casting gradient gels and as a protein stabilizer and storage buffer component.
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Acrolein and glucose: To pass test
Assay (GC): 99.5% min
Chlorinated compounds (as Cl): 0.003% max
Color (APHA): 10 max
Fatty acid esters (as butyric acid): 0.05% max
Form: Clear liquid
Heavy metals (as Pb): 2ppm max
Infrared Spectrum: Conforms to standard
Neutrality: To pass test
Residue after ignition: 0.005% max
Substances darkened by sulfuric acid: To pass test
Sulfate (SO4): 0.001% max
Water (H2O): 0.5% max

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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