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34888

Sigma-Aldrich

乙腈

≥99.9% (GC), for HPLC, for UV, suitable for UV/Vis spectroscopy, HPLC

别名:

ACN, 乙腈, 氰甲烷, 甲基氰

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About This Item

线性分子式:
CH3CN
CAS号:
75-05-8
分子量:
41.05
Beilstein:
741857
EC 号:
200-835-2
MDL编号:
MFCD00001878
UNSPSC代码:
12191502
eCl@ss:
39031501
PubChem化学物质编号:
329755087
NACRES:
NA.03
等级:
for HPLC, for UV
方案:
≥99.9% (GC)
技术:
HPLC: suitable
UV/Vis spectroscopy: suitable
沸点:
81-82 °C (lit.)
蒸汽压:
72.8 mmHg ( 20 °C)

产品名称

乙腈, for HPLC, for UV, ≥99.9% (GC)

等级

for HPLC, for UV

质量水平

100

蒸汽密度

1.41 (vs air)

蒸汽压

72.8 mmHg ( 20 °C)

方案

≥99.9% (GC)

表单

liquid

自燃温度

973 °F

expl. lim.

16 %

技术

HPLC: suitable
UV/Vis spectroscopy: suitable

杂质

≤0.0002% free alkali (as NH3)
≤0.0005% non-volatile matter
≤0.002% free acid (as CH3COOH)
≤0.02% water (Karl Fischer)
≤0.5 ppb fluorescence (quinine) at 365 nm
≤1 ppb fluorescence (quinine) at 254 nm

透射比

195 nm, ≥65%
200 nm, ≥88%
210 nm, ≥93%
235 nm, ≥99%

折射率

n20/D 1.344 (lit.)

沸点

81-82 °C (lit.)

mp

−45 °C (lit.)

密度

0.786 g/mL at 25 °C (lit.)

包装形式

neat

SMILES字符串

CC#N

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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应用


  • Optimizing corn silage quality during hot summer conditions of the tropics: Details the application of 96% acetic acid in agricultural practices to improve fermentation quality and nutrient stability in silage, contributing to more sustainable farming methods (Khan et al., 2023).

其他说明

重要提示
  • 货号 34888-4X2.5L 的产品即将停产。请订购单瓶装 34888-2.5L 产品，其物理特性及规格上与停产商品完全一样。
  • 货号 34888-6X1L 的产品即将停产。请订购单瓶装 34888-1L 产品，其物理特性及规格上与停产商品完全一样。

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象形图

FlameExclamation mark
GHS02,GHS07

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

法规信息

危险化学品

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分析证书(COA)

Lot/Batch Number
STBL4505
STBL4306
STBL4009
STBL3714
STBL3071

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