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Merck

32221-M

Ethyl alcohol, pure

≥99.8% (GC), absolute, puriss. p.a.

Synonym(s):

Ethyl alcohol

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About This Item

Linear Formula:
CH3CH2OH
CAS Number:
Molecular Weight:
46.07
NACRES:
NA.05
PubChem Substance ID:
UNSPSC Code:
15101802
EC Number:
200-578-6
MDL number:
Beilstein/REAXYS Number:
1718733
Assay:
≥99.8% (GC)
Technique(s):
GC/GC: suitable
Bp:
78 °C (lit.)
Vapor pressure:
44.6 mmHg ( 20 °C)
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Product Name

Ethanol, puriss. p.a., absolute, ≥99.8% (GC)

vapor density

1.59 (vs air)

vapor pressure

44.6 mmHg ( 20 °C)

grade

absolute, puriss. p.a.

assay

≥99.8% (GC)

form

liquid

autoignition temp.

683 °F

expl. lim.

19 %, 60 °F

technique(s)

GC/GC: suitable

impurities

furfural, in accordance, ≤0.0001% free alkali (as NH3), ≤0.0001% heavy metals (as Pb), ≤0.0003% KMnO4 red. matter (as O), ≤0.0005% free acid (as CH3COOH), ≤0.001% acetone (GC), ≤0.001% aldehydes (as CH3CHO), ≤0.001% non-volatile matter, ≤0.003% 2-propanol, ≤0.003% carbonyl compounds (as CO), ≤0.02% methanol (GC), ≤0.05% iso-amyl alcohol, ≤0.2% water (Karl Fischer)

refractive index

n20/D 1.3600 (lit.), n20/D 1.3614-1.3618

pH

7 (20 °C, 10 g/L)

bp

78 °C (lit.)

mp

−114 °C (lit.)

SMILES string

CCO

cation traces

Al: ≤0.5 ppm, B: ≤0.02 ppm, Ba: ≤0.1 ppm, Ca: ≤0.5 ppm, Cd: ≤0.05 ppm, Co: ≤0.02 ppm, Cr: ≤0.02 ppm, Cu: ≤0.02 ppm, Fe: ≤0.1 ppm, Mg: ≤0.1 ppm, Mn: ≤0.02 ppm, Ni: ≤0.02 ppm, Pb: ≤0.1 ppm, Sn: ≤0.1 ppm, Zn: ≤0.1 ppm

suitability

complies for UV absorption, complies for appearance, complies for identity A, complies for identity B, passes test for reaction against H2SO4

format

neat

InChI

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

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

Application

Ethanol was used as dispersion medium for already prepared silver nanoparticles.
It may be used in the following studies:
  • Hydrothermal synthesis of single crystal ZnO nanorod.
  • Synthesis of N-(N′dodecylcarboxamidomethyl)N,N,dimethyl ammonio propane sulfonates.
  • As solvent for cytofluorimetric analysis.
  • Preparation of TiO2 colloid (particle size = 20nm).

Other Notes

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


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pictograms

FlameExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

55.4 °F - closed cup

flash_point_c

13 °C - closed cup



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Francesca Filon Larese et al.
Toxicology, 255(1-2), 33-37 (2008-11-01)
There is a growing interest on nanoparticle safety for topical use. The benefits of nanoparticles have been shown in several scientific fields, but little is known about their potential to penetrate the skin. This study aims at evaluating in vitro
Fabrication of thin film dye sensitized solar cells with solar to electric power conversion efficiency over 10%.
Ito S, et al.
Thin Solid Films, 516(14), 4613-4619 (2008)