900642
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:
Molecular Weight:
46.07
NACRES:
NA.21
UNSPSC Code:
12352200
EC Number:
200-578-6
MDL number:
Assay:
≥99.5%
Grade:
ZerO2®
Bp:
78 °C (lit.)
Product Name
Ethyl alcohol, Pure, 200 proof, anhydrous, ZerO2®, ≥99.5%
grade
ZerO2®
Quality Level
vapor density
1.59 (vs air)
assay
≥99.5%
form
liquid
quality
anhydrous
expl. lim.
3.1-27.7 % (lit.)
concentration
200 proof
dilution
(for analytical testing)
impurities
≤0.005% water
water
bp
78 °C (lit.)
mp
-114 °C (lit.)
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
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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
Regulatory Information
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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