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652261

Sigma-Aldrich

Ethanol

95.0%, (190 proof)

Synonym(s):

Ethyl alcohol

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About This Item

Linear Formula:
CH3CH2OH
CAS Number:
64-17-5
Molecular Weight:
46.07
Beilstein:
1718733
EC Number:
200-578-6
MDL number:
MFCD00003568
UNSPSC Code:
15101802
PubChem Substance ID:
329760041

grade

ACS reagent
spectrophotometric grade

vapor density

1.59 (vs air)

vapor pressure

44.6 mmHg ( 20 °C)

Assay

95.0%

autoignition temp.

683 °F

expl. lim.

19 %, 60 °F

evapn. residue

≤0.001%

refractive index

n20/D 1.3600 (lit.)
n20/D 1.3630

bp

78 °C (lit.)
78.3 °C/760 mmHg

mp

-114 °C
−114 °C (lit.)

density

0.816 g/mL at 25 °C

UV absorption

λ: 210 nm Amax: 0.40
λ: 220 nm Amax: 0.25
λ: 230 nm Amax: 0.15
λ: 240 nm Amax: 0.05
λ: 270 nm Amax: 0.01
λ: 400 nm Amax: 0.01

SMILES string

CCO

InChI

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

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

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General description

The product is a 190proof 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.

Application

Ethanol (190proof) may be used as an extractant for the isolation of flavonoids and chlorogenic acid from dried leaves and stems of Cryptocarya alba.

Footnote

1Distribution and use of ethyl alcohol in Switzerland require a license from the Swiss Federal Alcohol Administration

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

55.4 °F - closed cup

Flash Point(C)

13 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
06537BH
00954LE
09680LC
05045PE
02462DH

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Selection of highly effective rectification regimes for ethyl alcohol.
Vyaz'mina NA and Baranov DA.
Chemical and Petroleum Engineering, 42(9), 494-502 (2006)
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)
Ross B Mounsey et al.
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