792780 Sigma-Aldrich

Ethyl alcohol, Pure

200 proof, ACS reagent, meets USP testing specifications, Excise Tax-free, Permit for use required

Synonym: Ethanol, Tax-free ethanol, absolute alcohol, non-denatured ethanol



Related Categories Ethanol (Ethyl Alcohol), Ethyl alcohol, Pure (Tax-Free), Solvent by Type, Solvents
grade   ACS reagent
  meets USP testing specifications
vapor density   1.59 (vs air)
assay   ≥99.5%
expl. lim.   3.1—27.7 %
availability   not available in EU
concentration   200 proof
impurities   ≤0.2% (water)
color   colorless
bp   78 °C
mp   -143.99 °C (-227.18 °F)
Featured Industry   Clinical Research
Cosmetics, Personal Care, and Cleaning Products
Flavors and Fragrances
Food and Beverages
Life Science and Biopharma
Tax and license information   Excise tax-free with license
  Permit for use required



Useful for multiple research applications in universities and hospitals.

Other Notes

Ordering Information:
To purchase tax-free ethyl alcohol, customers must possess an Industrial Alcohol User Permit from the Alcohol and Tobacco Tax and Trade Bureau (TTB) specifically designated for the withdrawal and use of alcohol free of tax.
• Permit must have customer signature and date of submission to Sigma-Aldrich in addition to the original signature and date.
• Permit must have word, "copy" handwritten or stamped.
• Permit number must contain correct state or US designation matching ship-to address.
• Permit address must match ship-to-address in Sigma-Aldrich system.
• Permit only needs to be provided on first order to
• All orders require that a PO with the statement, "valid permit #####" be submitted to

TTB Link


24x1PT is in glass bottle.
24x1PT-PB is in poly bottle.
72x1PT is 3x(24x1PT) in glass bottle.
72x1PT-PB is 3x(24x1PT) in poly bottle.
120x1PT is 5x(24x1PT) in glass bottle.
120x1PT-PB is 5x(24x1PT) in poly bottle.
4x1GA is in glass bottle.
4x1GA-PB is in poly bottle.
12x1GA is 3x(4x1GA) in glass bottle.
12x1GA-PB is 3x(4x1GA) in poly bottle.
20x1GA is 5x(4x1GA) in glass bottle.
20x1GA-PB is 5x(4x1GA) in poly bottle.
5GA is in metal drum with flex spout.
5GA-PB is in a poly drum with flex spout.
5GA-CU is in a cubetainer.
3x5GA is in metal drum with flex spout.
3x5GA-PB is in a poly drum with flex spout.
3x5GA-CU is in a cubetainer.
55GA is in metal drum.
55GA-PB is in poly drum.

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
UN1170 - class 3 - PG 2 - Ethanol
WGK Germany 
Flash Point(F) 
55.4 °F
Flash Point(C) 
13 °C

Same Products - New Packaging
Protocols & Articles


Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Related Content

Pressure-Temperature Nomograph Interactive Tool

The Pressure-Temperature Nomograph tool is an application of the Clausius-Clapeyron Equation, which assumes the heat of vaporization is a constant over a pressure range. Antoine´s Equation gets aroun...
Keywords: Evaporation, Vaporization

Properties of Solvents Table

a. Gant, R., LC/GC 10 (7), 515 (1992) 1. At 20 °C 2. At 20 °C +/- 5 °C relative to water at 4 °C 3. At 10 mmHg pressure 4. At l=589.32 nm
Keywords: Gas chromatography, High performance liquid chromatography

Peer-Reviewed Papers


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493511 Ethyl alcohol, Pure, 190 proof, ACS spectrophotometric grade, 95.0%

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