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Merck
CN

34851

乙腈

≥99.9%, gradient grade, suitable for HPLC

别名:

ACN, 乙腈, 氰甲烷, 甲基氰

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关于此项目

线性分子式:
CH3CN
化学文摘社编号:
分子量:
41.05
NACRES:
NA.03
PubChem Substance ID:
eCl@ss:
39031501
UNSPSC Code:
41116105
EC Number:
200-835-2
MDL number:
Beilstein/REAXYS Number:
741857
Assay:
≥99.9%
Grade:
gradient grade
Technique(s):
HPLC: suitable
Bp:
81-82 °C (lit.)
Vapor pressure:
72.8 mmHg ( 20 °C)
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产品名称

乙腈, suitable for HPLC, gradient grade, ≥99.9%

grade

gradient grade

Quality Segment

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

assay

≥99.9%

form

liquid

autoignition temp.

973 °F

feature

subscription eligible

expl. lim.

16 %

baseline drift measuring range

≤15 mAU (210 nm)

technique(s)

HPLC: suitable

impurities

≤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

refractive index

n20/D 1.344 (lit.)

bp

81-82 °C (lit.)

mp

−45 °C (lit.)

density

0.786 g/mL at 25 °C (lit.)

HPLC-gradient

≤0.5 mAU at 254 nm, ≤3 mAU at 210 nm

UV absorption

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

SMILES string

CC#N

application(s)

food and beverages

format

neat

storage temp.

room temp

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

General description

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。

Application

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。

Packaging

Preparation Note

产品经0.2 μm滤器过滤

Other Notes

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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pictograms

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signalword

Danger

Hazard Classifications

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

存储类别

3 - Flammable liquids

flash_point_f

35.6 °F - closed cup

flash_point_c

2.0 °C - closed cup



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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