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Merck
CN

34870

Ethyl alcohol, pure

≥99.8% (GC), suitable for HPLC, absolute, sales not in Germany

别名:

乙醇

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关于此项目

线性分子式:
CH3CH2OH
化学文摘社编号:
64-17-5
分子量:
46.07
NACRES:
NA.05
PubChem Substance ID:
329755077
UNSPSC Code:
41116105
EC Number:
200-578-6
MDL number:
MFCD00003568
Beilstein/REAXYS Number:
1718733
Assay:
≥99.8% (GC)
Technique(s):
HPLC: suitable
Application(s):
food and beverages
Bp:
78 °C (lit.)
Vapor pressure:
44.6 mmHg ( 20 °C)

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产品名称

酒精, absolute, suitable for HPLC, sales not in Germany1, ≥99.8% (GC)

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

InChI

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

SMILES string

CCO

vapor density

1.59 (vs air)

vapor pressure

44.6 mmHg ( 20 °C)

grade

absolute

assay

≥99.8% (GC)

form

liquid

autoignition temp.

683 °F

quality

sales not in Germany1

expl. lim.

19 %, 60 °F

technique(s)

HPLC: suitable

impurities

≤0.001% free acid (as CH3COOH)
≤0.001% non-volatile matter
≤0.2% water (Karl Fischer)
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365 nm

transmittance

210 nm, ≥20%
225 nm, ≥50%
240 nm, ≥80%
260 nm, ≥98%

refractive index

n20/D 1.3600 (lit.)

pH

7.0 (20 °C, 10 g/L)

bp

78 °C (lit.)

mp

−114 °C (lit.)

application(s)

food and beverages

format

neat

Quality Level

100

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Application

在通过 HPLC 定量分析辅酶 Q10（泛醌）的过程中，乙醇用于流动相。在研究酮康唑药物的各种药物制剂的释放曲线及其体外扩散的过程中，它被用于组成受体介质。

General description

乙醇是一种高度可燃的无色液体。它具有高度反应性。它经氧化可得到乙醛或乙酸。它可与羧酸和衍生物反应形成酯，与醛和酮反应分别可得到缩醛和缩酮。乙醇水平的监测对于控制发酵过程和酒精饮料认证非常重要。

Other Notes

1在瑞士分发和使用乙醇需要瑞士联邦酒精管理局的许可证。
探索最适于 HPLC 或 LC-MS 分析的LiChropur试剂

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

hcodes

H225,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

存储类别

3 - Flammable liquids

wgk

WGK 1

flash_point_f

55.4 °F - closed cup

flash_point_c

13 °C - closed cup

法规信息

危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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