Merck

493511

Sigma-Aldrich

纯乙醇

greener alternative

190 proof, ACS spectrophotometric grade, 95.0%

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别名:
乙醇, 无水酒精, 非变性乙醇
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

等级

ACS spectrophotometric grade

质量水平

蒸汽密度

1.59 (vs air)

检测方案

95.0%

形式

liquid

expl. lim.

3.1-27.7 %

存货情况

not available in (Sales restictions may apply)

环保替代产品特性

Safer Solvents and Auxiliaries
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

浓度

190 proof

技术

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

环保替代产品分类

InChI

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

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

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此商品
459836493538493546
纯乙醇 190 proof, ACS spectrophotometric grade, 95.0%

493511

纯乙醇

-
纯乙醇 200 proof, anhydrous, ≥99.5%

459836

纯乙醇

-
纯乙醇 190 proof, meets USP testing specifications

493538

纯乙醇

-
纯乙醇 200 proof, meets USP testing specifications

493546

纯乙醇

Essential Grade
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

assay

95.0%

assay

≥99.5%

assay

94.9-96.0%

assay

≥99.50%

solubility

H2O: passes test

solubility

-

solubility

water: soluble

solubility

water: soluble

form

liquid

form

liquid

form

liquid

form

liquid

technique(s)

UV/Vis spectroscopy: suitable

technique(s)

-

technique(s)

-

technique(s)

-

一般描述

价格包括联邦税。
我们致力于为您带来更加绿色的替代产品,这些产品遵守一项或多项绿色化学12项原则。乙醇是一种绿色环保溶剂,符合“更安全的溶剂和助剂”以及“使用可再生原料”的原则。 
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。

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


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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)
Assessment of a direct injection diesel engine fumigated with ethanol/water mixtures.
Morsy MH.
Energy Conversion and Management , 94, 406-414 (2015)
Ioannis Lignos et al.
Small (Weinheim an der Bergstrasse, Germany), 11(32), 4009-4017 (2015-05-23)
The early-time kinetics (<1 s) of lead sulfide (PbS) quantum dot formation are probed using a novel droplet-based microfluidic platform, which allows for high-throughput and real-time optical analysis of the reactive process with millisecond time resolution. The reaction platform enables
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

商品

This application note describes the HPTLC-based identification of fixed oils using octadecyl silyl silica gel as the coating substance, following USP 43 NF 38 monograph method containing USP general chapter <202>.

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