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Ethyl alcohol, Pure

200 proof, for molecular biology

absolute alcohol, non-denatured ethanol, Ethanol
Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level


for molecular biology

vapor density

1.59 (vs air)





expl. lim.

3.1-27.7 %


200 proof


DNA extraction: suitable
RNA extraction: suitable


≤0.2% (water)


7.0 (20 °C, 10 g/L)


78.3 °C


-114 °C


0.789 g/mL at 20 °C





InChI key


Gene Information

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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


500, 6×500 mL in glass bottle
1, 4, 4×4 L 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


FlameExclamation mark

Signal Word


Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids



Flash Point(F)

55.4 °F

Flash Point(C)

13 °C

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

  1. 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.

  2. Is Product E7023, Ethanol 200 proof, denatured?

    No.  Product number E7023 is a nondenatured ethanol.

  3. 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.

  4. Can Product E7023, Ethanol 200 proof, be used for RNA extraction?

    Yes. This product is tested for use in RNA extraction.

  5. 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. 

  6. 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.

  7. 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.

  8. 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. 

  9. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Derek J Stefanik et al.
Nature protocols, 8(5), 892-899 (2013-04-13)
Among marine invertebrates, the starlet sea anemone Nematostella vectensis has emerged as an important laboratory model system. One advantage of working with this species relative to many other marine invertebrates is the ease of isolating relatively pure DNA, RNA and
Jaishree Garhyan et al.
BMC research notes, 6, 72-72 (2013-03-01)
Hybridization based assays and capture systems depend on the specificity of hybridization between a probe and its intended target. A common guideline in the construction of DNA microarrays, for instance, is that avoiding complementary stretches of more than 15 nucleic
Ran Lin et al.
PLoS genetics, 11(8), e1005366-e1005366 (2015-08-05)
The heavy consumption of ethanol can lead to alcohol use disorders (AUDs) which impact patients, their families, and societies. Yet the genetic and physiological factors that predispose humans to AUDs remain unclear. One hypothesis is that alterations in mitochondrial function
S Enocksson et al.
The Journal of clinical investigation, 95(5), 2239-2245 (1995-05-01)
Although it is well established in several mammalian species that beta 3-adrenoceptors play a major role in regulating lipolysis and thermogenesis in adipose tissue, the functional existence and role of this receptor subtype in man has been controversial. We investigated
Gian Marco Leggio et al.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 39(8), 2017-2028 (2014-03-04)
Mesolimbic dopamine (DA) controls drug- and alcohol-seeking behavior, but the role of specific DA receptor subtypes is unclear. We tested the hypothesis that D3R gene deletion or the D3R pharmacological blockade inhibits ethanol preference in mice. D3R-deficient mice (D3R(-/-)) and


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