293237 Sigma-Aldrich

Ethylene glycol

spectrophotometric grade, ≥99%

Synonym: 1,2-Ethanediol

  • CAS Number 107-21-1

  • Linear Formula HOCH2CH2OH

  • Molecular Weight 62.07

  •  Beilstein/REAXYS Number 505945

  •  EC Number 203-473-3

  •  MDL number MFCD00002885

  •  eCl@ss 39020501

  •  PubChem Substance ID 329753226

  •  NACRES NA.21



Related Categories Amber Glass Bottles, Chemical Synthesis, Other Protecting and Derivatizing Reagents, Protecting and Derivatizing Reagents, Protection and Derivatization,
Quality Level   100
grade   spectrophotometric grade
vapor density   2.1 (vs air)
vapor pressure   0.08 mmHg ( 20 °C)
assay   ≥99%
autoignition temp.   752 °F
expl. lim.   15.3 %
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



1, 6×1, 2, 4×2 L in glass bottle

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
UN 3082 9 / PGIII
WGK Germany 
Flash Point(F) 
231.8 °F
Flash Point(C) 
111 °C


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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.
My question is not addressed here, how can I contact Technical Service for assistance?
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