E7023 Sigma-Aldrich

Ethyl alcohol, Pure

200 proof, for molecular biology

Synonym: Ethanol, absolute alcohol, non-denatured ethanol



Related Categories Amber Glass Bottles, Biotech Solvents, Core Bioreagents, DNA & RNA Purification, Ethanol (Ethyl Alcohol),
Quality Level   200
grade   for molecular biology
vapor density   1.59 (vs air)
assay   ≥99.45%
form   liquid
expl. lim.   3.1-27.7 %
concentration   200 proof
application(s)   DNA extraction: suitable
  RNA extraction: suitable
impurities   ≤0.2% (water)
pH   7.0 (20 °C, 10 g/L)
bp   78.3 °C
mp   -114 °C
density   0.789 g/mL at 20 °C
Featured Industry   Agriculture
InChI   1S/C2H6O/c1-2-3/h3H,2H2,1H3
Gene Information   human ... GABRA1(2554), GLRA1(2741), GLRA2(2742)


General description

This product is 200proof, non-denatured absolute ethanol (100%). This is a molecular biology grade product and is tested for the RNase and Dnase.


Pure ethyl alcohol (ethanol) has been used in the following process:
• DNA and RNA extraction
• array hybridization
• ethanol sedation assay

Suitable for use in the precipitation of nucleic acids


1, 4, 4×4 L in glass bottle

500, 6×500 mL in glass bottle

Biochem/physiol Actions

Positive allosteric modulator of GABAA receptors, and negative allosteric modulator of NMDA glutamate receptors.

Other Notes

Sales restrictions may apply

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

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
IsProduct E7023, Ethanol 200 proof, denatured?
No. Product number E7023 is a nondenatured ethanol.
Is Product E7023, Ethanol 200 proof, RNase and DNase free?
Yes. This is a molecular biology grade product and is tested for the RNase and Dnase.
Can Product E7023, Ethanol 200 proof, be used for RNA extraction?
Yes. This product is tested for use in RNA extraction.
Is Product E7023, Ethanol 200 proof, 100% ethanol?
Yes. This product is 200 proof, absolute ethanol. To determine the percentage of ethanol you can divide the proof number by 2. Consequently, this product is 100% ethanol.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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