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459836

Sigma-Aldrich

Ethyl alcohol, Pure

greener alternative

200 proof, anhydrous, ≥99.5%

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Synonym(s):
Ethanol, absolute alcohol, non-denatured ethanol
Linear Formula:
CH3CH2OH
CAS Number:
Molecular Weight:
46.07
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

vapor density

1.59 (vs air)

Assay

≥99.5%

form

liquid

expl. lim.

3.1-27.7 %

availability

not available in (Sales restictions may apply)

greener alternative product characteristics

Safer Solvents and Auxiliaries
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

concentration

200 proof

impurities

<0.005% water

evapn. residue

<0.0005%

color

colorless

pH

7 (20 °C, 10 g/L)

bp

78.3 °C

mp

-114 °C

density

0.789 g/mL at 20 °C

greener alternative category

InChI

1S/C2H6O/c1-2-3/h3H,2H2,1H3

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

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1 of 4

This Item
493538493511493546
Ethyl alcohol, Pure 200&#160;proof, anhydrous, &#8805;99.5%

Sigma-Aldrich

459836

Ethyl alcohol, Pure

-
Ethyl alcohol, Pure 190&#160;proof, meets USP testing specifications

Sigma-Aldrich

493538

Ethyl alcohol, Pure

-
Ethyl alcohol, Pure 190&#160;proof, ACS spectrophotometric grade, 95.0%

Sigma-Aldrich

493511

Ethyl alcohol, Pure

-
Ethyl alcohol, Pure 200&#160;proof, meets USP testing specifications

Sigma-Aldrich

493546

Ethyl alcohol, Pure

Essential Grade
vapor density

1.59 (vs air)

vapor density

1.59 (vs air)

vapor density

1.59 (vs air)

vapor density

1.59 (vs air)

assay

≥99.5%

assay

94.9-96.0%

assay

95.0%

assay

≥99.50%

form

liquid

form

liquid

form

liquid

form

liquid

expl. lim.

3.1-27.7 %

expl. lim.

3.1-27.7 %

expl. lim.

3.1-27.7 %

expl. lim.

3.1-27.7 %

impurities

<0.005% water

impurities

-

impurities

H2SO4, passes test (darkened), MnO4- reducers, passes test, acetone, passes test, isopropanol, passes test, ≤0.0002 meq/g Titr. base, ≤0.0005 meq/g Titr. acid, ≤0.1% methanol

impurities

-

General description

Pure ethyl alcohol is a non-denatured 200proof ethanol. Ethanol, a primary alcohol, is an important raw material for the synthesis of various compounds. It can be synthesized either from molasses by fermentation or by hydration of ethylene. It acts as a hydrogen source and reaction medium during the transfer hydrogenation of carbonyl compounds in the presence of sodium hydroxide. The impact of ethanol/water fumigation on the performance of diesel engines has been studied. Anhydrous grade solvents show extremely low percentage water and low residue levels.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. Ethanol is environmentally preferable green solvent and thus it aligns with "Safer Solvents and Auxiliaries" and "Use of Renewable Feedstocks". 

Application

Ethanol has been used:
  • as a solvent for lovastatin.
  • as a solvent during the synthesis of (S)-4-hydroxy-2-keto-4-(2′-pyridyl)butyrate.
  • to fix tissue sections on a slide during laser capture microdissection (LCM).

Other Notes

Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.
Sales restrictions may apply

Legal Information

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

55.4 °F

Flash Point(C)

13 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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J Harry Sweigard et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 28(7), 3171-3182 (2014-03-29)
A defining feature in proliferative retinopathies is the formation of pathological neovessels. In these diseases, the balance between neovessel formation and regression determines blindness, making the modulation of neovessel growth highly desirable. The role of the immune system in these
Sukant Khurana et al.
Chemical senses, 38(4), 315-323 (2013-02-01)
We studied complete dose-response curves for 53 odorants in the third instar larvae of Drosophila melanogaster. All odorants, except one, elicited an attraction response. Some odorants also elicited a decrease from their peak response at higher concentrations. This concentration-dependent decrease
Matthew J Walters et al.
Nature protocols, 2(7), 1825-1830 (2007-07-21)
A procedure for the preparation of optically pure alpha-keto-gamma-hydroxy carboxylic acids through stereospecific aldol addition catalyzed by pyruvate aldolases from the Entner-Doudoroff and the DeLey-Doudoroff glycolytic pathways is described. This highly versatile fragment serves as a precursor for a variety
Assessment of a direct injection diesel engine fumigated with ethanol/water mixtures.
Morsy MH.
Energy Conversion and Management , 94, 406-414 (2015)
Sodium hydroxide-catalyzed transfer hydrogenation of carbonyl compounds and nitroarenes using ethanol or isopropanol as both solvent and hydrogen donor.
Wang D, et al.
J. Mol. Catal. A: Chem., 400, 14-21 (2015)

Articles

Development and validation of a headspace SPME and GC-MS method to determine alcohol content in twenty different Kombucha tea samples.

Protocols

This protocol is designed to allow for high throughput purification of pure genomic DNA from a variety of cultured cells and tissues using the GenElute 96 Well Tissue Genomic DNA Purification Kit.

The GenElute™ Blood Genomic DNA Kit Protocol provides a simple and convenient way to isolate pure genomic DNA from fresh or aged whole blood.

GenElute™ Bacterial Genomic DNA Kit protocol describes a simple and convenient way for the isolation of pure genomic DNA from bacteria.

The Extract-N-Amp™ Tissue PCR Kit contains all the reagents needed to rapidly extract and amplify genomic DNA from mouse tails and other animal tissues, buccal swabs, hair shafts, and saliva.

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