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34923

Sigma-Aldrich

Ethanol

absolute, ≥99.8% (GC)

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:
12190000
NACRES:
NA.21

vapor density

1.59 (vs air)

Quality Level

100

vapor pressure

44.6 mmHg ( 20 °C)

grade

absolute

Assay

≥99.8% (GC)

autoignition temp.

683 °F

expl. lim.

19 %, 60 °F

technique(s)

UV/Vis spectroscopy: suitable

impurities

≤0.001% free acid (as CH3COOH)
≤0.001% non-volatile matter
≤0.2% water (Karl Fischer)
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365 nm

transmittance

210 nm, ≥20%
220 nm, ≥40%
230 nm, ≥60%
240 nm, ≥80%
260 nm, ≥98%

refractive index

n20/D 1.3600 (lit.)

bp

78 °C (lit.)

mp

−114 °C (lit.)

suitability

passes test for IR spectroscopy
passes test for suitability for UV spectroscopy

SMILES string

CCO

InChI

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

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

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General description

Ethanol is a highly combustible colorless liquid. It reacts readily with various reagents. It oxidizes to afford acetaldehyde or acetic acid. It undergoes reaction with carboxylic acid and derivatives to form esters, with aldehydes and ketones to afford acetals and ketals, respectively. The monitoring of ethanol levels is very important in control of fermentation processes and for the validation of different compositions of alcoholic beverages.

Application

Ethanol may be used for the deposition of coating of irgasan on to the surface of PVC (polyvinyl chloride)-grafted-polyacrylic acid. It may be used in the preparation of stable concentrated “polymeric” sols of Zn and Ti, having Zn/Ti in the ratios between 2 and 0.5.

Caution

Pertains only in Germany: Nicht zu Fertigungszwecken1

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

Regulatory Information

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A Physicochemical Approach to Render Antibacterial Surfaces on Plasma-Treated Medical-Grade PVC: Irgasan Coating.
Asadinezhad A, et al.
Plasma Processes and Polymers, 7(6), 504-514 (2010)
Evolution and Eu3+ Doping of Sol- Gel Derived Ternary ZnxTiyOz-Nanocrystals.
Mrazek J, et al.
The Journal of Physical Chemistry C, 114(7), 2843-2852 (2010)
Eagleson M.
Concise Encyclopedia Chemistry, 384-384 (1994)
A new oxidase-peroxidase kit for ethanol assays in alcoholic beverages.
Gonchar MV, et al.
Food Technology and Biotechnology, 39(1), 37-42 (2001)
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
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