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493511

Sigma-Aldrich

纯乙醇

190 proof, ACS spectrophotometric grade, 95.0%

别名:
非变性乙醇, 无水酒精, 乙醇
线性分子式:
CH3CH2OH
CAS号:
分子量:
46.07
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

质量水平

200

等级

ACS spectrophotometric grade

蒸汽密度

1.59 (vs air)

测定

95.0%

形式

liquid

expl. lim.

3.1-27.7 %

availability

not available in (Sales restictions may apply)

浓度

190 proof

应用

UV/Vis spectroscopy: suitable

杂质

H2SO4, passes test (darkened)
MnO4- reducers, passes test
acetone, passes test
isopropanol, passes test
≤0.0002 meq/g Titr. base
≤0.0005 meq/g Titr. acid
≤0.1% methanol

蒸发残留物

≤0.001%

颜色

APHA: ≤10

bp

78.3 °C

mp

-114 °C

溶解性

H2O: passes test

密度

0.816 g/mL at 25 °C

λ

H2O reference

紫外吸收

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: 270-400 nm Amax: 0.01

InChI

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

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

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相关类别

一般描述

纯乙醇是一种非变性的190 proof乙醇。乙醇是一种伯醇,是合成各种化合物的重要原料。它可以通过发酵从糖蜜中合成或通过乙烯的水合作用合成。在氢氧化钠存在下,在羰基化合物的转移氢化过程中,它起氢源和反应介质的作用。乙醇/水熏蒸对柴油发动机性能的影响已有研究。分光光度级溶剂时一种高纯度等级,其具有低紫外吸收。
价格包括联邦税。

包装

1, 4, 4×4 L in glass bottle

其他说明

可能实行销售限制

象形图

FlameExclamation mark

警示用语:

Danger

危险声明

危险分类

Eye Irrit. 2 - Flam. Liq. 2

储存分类代码

3 - Flammable liquids

WGK

WGK 1

闪点(F)

57.2 °F - closed cup

闪点(C)

14 °C - closed cup

分析证书

原产地证书 (CofO)

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.
Experimental neurology, 273, 36-44 (2015-08-06)
Parkinson's disease (PD) is a common chronic neurodegenerative disorder, usually of idiopathic origin. Symptoms including tremor, bradykinesia, rigidity and postural instability are caused by the progressive loss of dopaminergic neurons in the nigrostriatal region of the brain. Symptomatic therapies are
Cem Kuscu et al.
Nature biotechnology, 32(7), 677-683 (2014-05-20)
RNA-guided genome editing with the CRISPR-Cas9 system has great potential for basic and clinical research, but the determinants of targeting specificity and the extent of off-target cleavage remain insufficiently understood. Using chromatin immunoprecipitation and high-throughput sequencing (ChIP-seq), we mapped genome-wide
Gian Marco Leggio et al.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 39(8), 2017-2028 (2014-03-04)
Mesolimbic dopamine (DA) controls drug- and alcohol-seeking behavior, but the role of specific DA receptor subtypes is unclear. We tested the hypothesis that D3R gene deletion or the D3R pharmacological blockade inhibits ethanol preference in mice. D3R-deficient mice (D3R(-/-)) and

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