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Ethylene glycol

spectrophotometric grade, ≥99%

Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:


spectrophotometric grade

Quality Level

vapor density

2.1 (vs air)

vapor pressure

0.08 mmHg ( 20 °C)





autoignition temp.

752 °F

expl. lim.

15.3 %


UV/Vis spectroscopy: suitable


<0.050% water

refractive index

n20/D 1.431 (lit.)


195-198 °C


−13 °C (lit.)


1.113 g/mL at 25 °C (lit.)


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




InChI key


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Certificate of Analysis

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

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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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Eastman JA, et al.
Applied Physics Letters, 78(6), 718-720 (2001)

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