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676829 Sigma-Aldrich

Reagent Alcohol

anhydrous, ≤0.005% water

Synonym: Ethanol, Ethyl alcohol, Reagent alcohol, RGA, denatured alcohol

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Properties

Related Categories Aluminum Bottles, Anhydrous Solvents, Solvent Bottles, Solvent Packaging Options, Solvent by Application,
Quality Level   100
grade   anhydrous
vapor density   1.59 (vs air)
contains   5% isopropyl alcohol as denaturant
  5% methyl alcohol as denaturant
expl. lim.   3.1-27.7 % (lit.)
concentration   100%
impurities   ≤0.005% water
evapn. residue   ≤0.0005%
bp   78 °C (lit.)
mp   −130 °C
InChI   1S/C2H6O/c1-2-3/h3H,2H2,1H3
InChI key   LFQSCWFLJHTTHZ-UHFFFAOYSA-N

Description

General description

Reagent alcohol (denatured alcohol) is ethanol that has been denatured by adding additives like methanol and isopropyl alcohol. The addition of these toxic additives makes it non-consumable. It is a constituent of hairspray, spray disinfectants and cosmetics. It is employed in histological and cytological procedures such as staining, slide preparation and also as a fixative. A study reports the use of reagent alcohol as a solvent for the preservation of euthanized sea cucumbers. This is an anhydrous grade solvent with extremely low water content and residue levels making it highly useful for processes that require very low water levels.

Packaging

1, 4, 4×4 L in aluminum bottle

Components

95 parts of specially denatured ethyl alcohol 3A, 200 proof, with 5 parts of isopropyl alcohol. Final concentrations are ~ 90% ethanol, ~ 5% methanol and ~ 5% isopropanol.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
Target organs 
Eyes
RIDADR 
UN1170 - class 3 - PG 2 - Ethanol, solution
WGK Germany 
WGK 2
Flash Point(F) 
48.2 °F - closed cup - Not applicable
Flash Point(C) 
9 °C - closed cup - Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

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...

Peer-Reviewed Papers
15

References

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