All Photos(1)



Reagent Alcohol

ACS reagent

Ethanol, denatured alcohol, RGA
CAS Number:
MDL number:
PubChem Substance ID:

Quality Level


ACS reagent

vapor density

1.59 (vs air)


94-96% (v/v) methanol basis (SDA 3A 200 proof)



expl. lim.

3.1-27.7 % (lit.)




≤0.2% water


78 °C (lit.)


-114 °C (lit.)

Tax and license information

Sales restrictions may apply



InChI key


Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Reagent alcohol is commonly used as a solvent in organic synthesis, analytical studies, and material synthesis.


Useful for multiple research applications in universities and hospitals.


4x1GA-PB is in poly bottle.
12x1GA-PB is 3x(4x1GA) in poly 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.
3x5GA is in metal drum with flex spout.
3x5GA-PB is in a poly drum with flex spout.
55GA is in metal drum.
55GA-PB is in poly drum.
270GA is in poly tote.


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

Other Notes

Ordering Information:
The letterhead approval is only required by Sigma-Aldrich when the unit size is 5GA or greater.

Link to Letterhead Example:

Signal Word


Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 2

Storage Class Code

3 - Flammable liquids

WGK Germany


Flash Point(F)

57.2 °F - closed cup

Flash Point(C)

14 °C - closed cup

Certificate of Analysis

Certificate of Origin

Controlled synthesis of graphene via electrochemical route and its use as efficient metal-free catalyst for oxygen reduction
Komba N, et al.
Applied Catalysis. B, Environmental, 243(9), 373-380 (2019)
A novel, density-independent and FTIR-compatible approach for the rapid extraction of microplastics from aquatic sediments
Crichton EM, et al.
Analytical Methods : Advancing Methods and Applications, 9(9), 1419-1428 (2017)
Design, synthesis and biological evaluation of benzamide and phenyltetrazole derivatives with amide and urea linkers as BCRP inhibitors
Gujarati NA, et al.
Bioorganic & Medicinal Chemistry Letters, 27(20), 4698-4704 (2017)
U Allenstein et al.
Soft matter, 11(25), 5053-5059 (2015-06-02)
Cells require adhesion to survive, proliferate and migrate, as well as for wound healing and many other functions. The strength of contractile cell forces on an underlying surface is a highly relevant quantity to measure the affinity of cells to...
Sonia Soloneski et al.
Toxicology in vitro : an international journal published in association with BIBRA, 29(5), 834-844 (2015-03-31)
In vitro effects of the carbamates pirimicarb and zineb and their formulations Aficida® (50% pirimicarb) and Azzurro® (70% zineb), respectively, were evaluated in Chinese hamster ovary (CHO-K1) cells. Whereas the cytokinesis-blocked micronucleus cytome assay was employed to test for genotoxicity...

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service