Merck
All Photos(2)

493511

Sigma-Aldrich

纯乙醇

190 proof, ACS spectrophotometric grade, 95.0%

Synonym(s):
乙醇, 无水酒精, 非变性乙醇
Linear Formula:
CH3CH2OH
CAS Number:
Molecular Weight:
46.07
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS spectrophotometric grade

质量水平

200

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

technique(s)

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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一般描述

价格包括联邦税。
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。

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

Certificate of Analysis

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Certificate of Origin

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