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900642

Sigma-Aldrich

Ethyl alcohol, Pure

≥99.5%, ZerO2®, 200 proof, anhydrous

Synonym(s):

Degassed and low oxygen ethanol, Ethanol ZerO2®, Ethanol, absolute alcohol, non-denatured ethanol

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About This Item

Linear Formula:
CH3CH2OH
CAS Number:
64-17-5
Molecular Weight:
46.07
EC Number:
200-578-6
MDL number:
MFCD00003568
UNSPSC Code:
12352200
NACRES:
NA.21

product name

Ethyl alcohol, Pure, 200 proof, anhydrous, ZerO2®, ≥99.5%

grade

ZerO2®

Quality Level

100

vapor density

1.59 (vs air)

Assay

≥99.5%

form

liquid

quality

anhydrous

expl. lim.

3.1-27.7 % (lit.)

concentration

200 proof

impurities

≤0.005% water
water

bp

78 °C (lit.)

mp

-114 °C (lit.)

InChI

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

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

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Application

ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content.

Legal Information

ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC

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

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Certificates of Analysis (COA)

Lot/Batch Number
SHBH9541

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Yihua Chen et al.
Nature communications, 10(1), 1112-1112 (2019-03-09)
Further minimizing the defect state density in the semiconducting absorber is vital to boost the power conversion efficiency of solar cells approaching Shockley-Queisser limit. However, it lacks a general strategy to control the precursor chemistry for defects density reduction in

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