02483

Etanol

standard for GC

• Sinónimos: Alcohol etílico
• Fórmula lineal: CH₃CH₂OH
• Número de CAS: 64-17-5
• Peso molecular: 46.07
• Beilstein/REAXYS Number: 1718733
• EC Number: 200-578-6
• MDL number: MFCD00003568
• UNSPSC Code: 41116107
• PubChem Substance ID: 329747445
• NACRES: NA.24

Propiedades

• grade: analytical standard; standard for GC
• Quality Level: 100
• 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
• technique(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.)
• application(s): environmental
• format: neat
• SMILES string: CCO
• InChI: 1S/C2H6O/c1-2-3/h3H,2H2,1H3
• InChI key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N

Descripción

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

Podrían darse restricciones de sales

Footnote

¹La distribución y el uso del alcohol etílico en Suiza requiere una autorización de la Swiss Federal Alcohol Administration

Recommended products

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Información de seguridad

• pictograms: GHS02,GHS07
• signalword: Danger
• hcodes: H225,H319
• pcodes: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 55.4 °F - closed cup
• flash_point_c: 13 °C - closed cup
• ppe: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter