Merck
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34851

Sigma-Aldrich

乙腈,1 L

suitable for HPLC, gradient grade, ≥99.9%

Synonym(s):
ACN, 乙腈, 氰甲烷, 甲基氰
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC 号:
MDL编号:
eCl@ss:
39031501
PubChem化学物质编号:
NACRES:
NA.03

等级

gradient grade

质量水平

100

蒸汽密度

1.41 (vs air)

蒸汽压

72.8 mmHg ( 20 °C)

测定

≥99.9%

形式

liquid

自燃温度

973 °F

expl. lim.

16 %

baseline drift measuring range

≤15 mAU (210 nm)

technique(s)

HPLC: suitable

杂质

≤0.0002% free alkali (as NH3)
≤0.0005% non-volatile matter
≤0.001% free acid (as CH3COOH)
≤0.02% water (Karl Fischer)
≤0.5 ppb fluorescence (quinine) at 365 nm
≤1 ppb fluorescence (quinine) at 254 nm

折射率

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

密度

0.786 g/mL at 25 °C (lit.)

HPLC-gradient

≤0.5 mAU at 254 nm
≤3 mAU at 210 nm

紫外吸收

λ: 195 nm Amax: ≤0.12
λ: 200 nm Amax: ≤0.032
λ: 230 nm Amax: ≤0.0044
λ: 235 nm Amax: ≤0.0044
λ: 250 nm Amax: ≤0.0044
λ: 400 nm Amax: ≤0.0044

application(s)

food and beverages

储存温度

room temp

SMILES string

CC#N

InChI

1S/C2H3N/c1-2-3/h1H3

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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Related Categories

一般描述

乙腈(MeCN)在多项泛被用作溶剂,并具有较高的介电常数(37.5)。各种获得不同等级的乙腈用于不同研究(极谱法,光谱学等)多种不同的纯化过程已被许多研究人员所报道。

应用

乙腈(MeCN)可作为萃取溶剂用于水果和蔬菜中农药残留物的定量。

包装

100 mL in glass bottle
1, 6×1, 2, 4×2, 2.5, 4×2.5, 4, 4×4 L in glass bottle
20, 50 L in Pure-Pac™ 2
56, 200, 200 L in Pure-Pac™ 1
200, 200 L in Pure-Pac™ 2

制备说明

产品经0.2 μm滤器过滤

其他说明

Pure-Pac®II容器需要Micromatic MacroValve耦合器用于溶剂的配送,Z560723。
重要通知
  • 货号 34851-4X2.5L的产品即将停产。请订购34851-2.5L单瓶装,因为其具体参数与上述产品本质相同。
  • 货号34851-6X1L的产品即将停产。请订购34851-1L单瓶装,因为其物理参数与上述产品本质相同。

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法律信息

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

象形图

FlameExclamation mark

警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(F)

35.6 °F - closed cup

闪点(C)

2.0 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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