Merck
All Photos(1)

439134

Sigma-Aldrich

乙腈

suitable for HPLC, gradient grade, ≥99.9%

Synonym(s):
乙腈, 甲基氰, 氰甲烷, ACN
Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
41.05
Beilstein:
741857
EC 号:
MDL编号:
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)

描述

HPLC gradient analysis <= 0.5 mAU @254 nm
HPLC gradient analysis <= 3 mAU @ 210 nm
baseline drift at 210 nm <= 15 mAU

测定

≥99.9%

形式

liquid

自燃温度

973 °F

纯化方式

sub-micron filtration

expl. lim.

16 %

technique(s)

HPLC: suitable
UV/Vis spectroscopy: suitable

杂质

≤0.0002% free alkali (as NH3)
≤0.001% free acid (as CH3COOH)
≤0.01% water (Karl Fischer)
≤0.5 ppb quinine fluor., 365 nm
≤1 ppb quinine fluor., 254 nm

蒸发残留物

<0.0002%

折射率

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

溶解性

water: soluble

密度

0.786 g/mL at 25 °C (lit.)

λ

H2O reference

紫外吸收

λ: 195 nm Amax: ≤0.12
λ: 200 nm Amax: ≤0.032
λ: 230 nm Amax: ≤0.0044

application(s)

food and beverages

SMILES string

CC#N

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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一般描述

乙腈(Mecn),一种脂肪族腈,是一种具有宜人气味的无色液体。它在有机合成中被广泛用作溶剂和中间体。 它对紫外-可见光是透明的,使其非常适用于基于分光光度法和荧光测定的技术。因MeCN具有低粘度、高洗脱强度并在水中高度混溶,它在众多色谱技术中用作流动相组分。 它的红外光谱已被记录。 已研究了在铁络合物存在下通过利用过氧化氢的烷烃氧化而在MeCN中合成烷基氢过氧化物。 已研究了使用Co-B非晶态合金催化剂来氢化MeCN以形成乙胺。

包装

1, 4, 4×4 L in PVC-coated bottle
20 L in Nowpak™
2×10 L in Nowpak™
20 L in Nowpak™ II
18 L in VerSA-Flow™

制备说明

产品已经过0.2 μm滤器过滤

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象形图

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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

Enter Lot Number to search for Certificate of Origin (COO).

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