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Ethanol

standard for GC

Synonym: Ethyl alcohol

  • CAS Number 64-17-5

  • Linear Formula CH3CH2OH

  • Molecular Weight 46.07

  •  Beilstein/REAXYS Number 1718733

  •  EC Number 200-578-6

  •  MDL number MFCD00003568

  •  PubChem Substance ID 329747445

  •  NACRES NA.24

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Properties

Related Categories Additional Standards, Alcohols, Aliphatic, Alpha Sort, Analytical Standards,
Quality Level   200
grade   analytical standard
  standard for GC
vapor density   1.59 (vs air)
vapor pressure   44.6 mmHg ( 20 °C)
assay   ≥99.9% (GC)
autoignition temp.   683 °F
shelf life   limited shelf life, expiry date on the label
expl. lim.   19 %, 60 °F
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
refractive index   n20/D 1.3600 (lit.)
  n20/D 1.362
bp   78 °C (lit.)
mp   −114 °C (lit.)
density   0.789 g/mL at 25 °C (lit.)
Featured Industry   Environmental
SMILES string   CCO
InChI   1S/C2H6O/c1-2-3/h3H,2H2,1H3
InChI key   LFQSCWFLJHTTHZ-UHFFFAOYSA-N

Description

General description

Ethanol is a clear, colorless liquid, which can prepared by fermentation of certain carbohydrates. It is used as a topical disinfectant as it has bactericidal activity. It is the primary ingredient in alcoholic beverages, and is widely used as a solvent and preservative in pharmaceutical preparations. As a solvent of substances intended for human contact or consumption, it is widely used in colorings, scents, flavorings, and medicines. Ethanol has a depressive effect on the central nervous system (CNS), and owing to its psychoactive effects, it is considered a drug. Ethanol has a complex mode of action and affects multiple systems in the brain, most notably it acts as an agonist to the GABA receptors. It is also a gasoline additive and mostly used as an alternative to petroleum as it can reduce CO and CO2 levels during emission when compared to other fossil fuels.

Application

Ethanol has been used as internal standard in GC-MS analysis for the determination of methanol and free glycerol in biodiesel. It may have been used as reference standard in GC analysis for determination of ethanol in beer.

Other Notes

Sales restrictions may apply

Footnote

1Distribution and use of ethyl alcohol in Switzerland require a license from the Swiss Federal Alcohol Administration

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1170 - class 3 - PG 2 - Ethanol
WGK Germany 
WGK 1
RTECS 
KQ6300000

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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