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293237

Sigma-Aldrich

Ethylene glycol

spectrophotometric grade, ≥99%

Synonym(s):
1,2-Ethanediol
Linear Formula:
HOCH2CH2OH
CAS Number:
Molecular Weight:
62.07
Beilstein:
505945
EC Number:
MDL number:
eCl@ss:
39020501
PubChem Substance ID:
NACRES:
NA.21

grade

spectrophotometric grade

Quality Level

vapor density

2.1 (vs air)

vapor pressure

0.08 mmHg ( 20 °C)

assay

≥99%

form

liquid

autoignition temp.

752 °F

expl. lim.

15.3 %

application(s)

UV/Vis spectroscopy: suitable

impurities

<0.050% water

refractive index

n20/D 1.431 (lit.)

bp

195-198 °C

mp

−13 °C (lit.)

density

1.113 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 210 nm Amax: 1.00
λ: 220 nm Amax: 0.40
λ: 250 nm Amax: 0.10
λ: 300 nm Amax: 0.01

SMILES string

OCCO

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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  5. What is the molarity of ethylene glycol?

    Ethylene glycol is 17.93M.  This is calculated using the density (1.113 g/ml) and the molecular weight (62.07 g/mol).  If the product is less than 100% pure, correct for the purity.

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