Merck
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34998

Sigma-Aldrich

乙腈,1 L

HPLC Plus, ≥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

HPLC Plus

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

≤12 mAU (210 nm)

technique(s)

HPLC: suitable
IR spectroscopy: suitable

杂质

≤0.0001% free alkali (as NH3)
≤0.0002% non-volatile matter
≤0.001% free acid (as CH3COOH)
≤0.01% water (Karl Fischer)
≤0.5 ppb fluorescence (quinine) at 254 nm
≤0.5 ppb fluorescence (quinine) at 365 nm

卤代烷残留物

10 ng/L (as heptachlor epoxide)

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

≤0.2 mAU at 254 nm
≤1 mAU at 210 nm

λ

H2O reference

紫外吸收

λ: 195 nm Amax: ≤0.10
λ: 200 nm Amax: ≤0.02
λ: 228 nm Amax: ≤0.005
λ: 235 nm Amax: ≤0.0044
λ: 250 nm Amax: ≤0.0044
λ: 400 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)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

乙腈已被用于组成梯度体系对聚合物降解产物二苯基甲烷二异氰酸酯进行HPLC检测。
全新品质的UPLC Plus乙腈适用于所有应用,包括:
质谱,HPLC,TLC,GPC,UV,IR,GC,农药残留分析以及RNA/DNA合成和纯化。

包装

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

制备说明

产品已经过0.2 μm过滤器过滤

其他说明

Pure-Pac® II容器需要用Micromatic MacroValve耦合器来分配溶剂, Z560723
重要通知
  • 货号 34998-4X2.5L的产品即将停产。请订购34998-2.5L单瓶装,因为其具体参数与上述产品本质相同。
  • 货号34998-6X1L的产品即将停产。请订购34998-1L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

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

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