Reagent Alcohol

ACS reagent

Ethanol, denatured alcohol, RGA
CAS Number:
MDL number:
PubChem Substance ID:
Pricing and availability is not currently available.

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


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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


UN 1987BF 3 / PGII

WGK Germany


Flash Point(F)

57.2 °F - closed cup

Flash Point(C)

14 °C - closed cup

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)
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)
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)
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...

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