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Merck

34998

Sigma-Aldrich

乙腈

≥99.9%, HPLC Plus, suitable for IR 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:
分子量:
41.05
Beilstein:
741857
EC號碼:
MDL號碼:
分類程式碼代碼:
41116105
eCl@ss:
39031501
PubChem物質ID:
NACRES:
NA.03

product name

乙腈, HPLC Plus, ≥99.9%

等級

HPLC Plus

品質等級

蒸汽密度

1.41 (vs air)

蒸汽壓力

72.8 mmHg ( 20 °C)

化驗

≥99.9%

形狀

liquid

自燃溫度

973 °F

expl. lim.

16 %

baseline drift measuring range

≤12 mAU (210 nm)

技術

HPLC: suitable
IR spectroscopy: suitable

雜質

≤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

鹵化殘基

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 - 梯度

≤0.2 mAU at 254 nm
≤1 mAU at 210 nm

&lambda ;

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

應用

food and beverages

格式

neat

SMILES 字串

CC#N

InChI

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

InChI 密鑰

WEVYAHXRMPXWCK-UHFFFAOYSA-N

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一般說明

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。

應用

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。

準備報告

产品已经过0.2 μm过滤器过滤

其他說明

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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法律資訊

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

象形圖

FlameExclamation mark

訊號詞

Danger

危險分類

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

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

35.6 °F - closed cup

閃點(°C)

2.0 °C - closed cup


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