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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:
75-05-8
分子量:
41.05
NACRES:
NA.03
PubChem Substance ID:
329755061
eCl@ss:
39031501
UNSPSC Code:
41116105
EC Number:
200-835-2
MDL number:
MFCD00001878
Beilstein/REAXYS Number:
741857
Grade:
gradient grade
Assay:
≥99.9%
Technique(s):
HPLC: suitable
Application(s):
food and beverages
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%

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

InChI

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

SMILES string

CC#N

grade

gradient grade

vapor density

1.41 (vs air)

vapor pressure

72.8 mmHg ( 20 °C)

assay

≥99.9%

form

liquid

autoignition temp.

973 °F

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

application(s)

food and beverages

format

neat

storage temp.

room temp

Quality Level

100

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相关类别

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。

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。

Other Notes

2024年CiteAb奖——成功的帕金森研究供应商(2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research)
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。
探索最适于 HPLC 或 LC-MS 分析的 LiChropur 试剂

Packaging

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Preparation Note

产品经0.2 μm滤器过滤

pictograms

FlameExclamation mark
GHS02,GHS07

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

wgk

WGK 2

flash_point_f

35.6 °F - closed cup

flash_point_c

2.0 °C - closed cup

法规信息

危险化学品
此项目有

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
WXBF7694V
WXBF7910V
WXBF7693V
WXBF7692V
SHBT4801

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the flash point of Acetonitrile, Product 34851?

    The flash point is 2.0°C. 

  6. What is the surface tension of Acetonitrile, Product 34851?

    The surface tension is 29.04 dynes/cm at 20°C, according to the chemicals encyclopedia published by the Royal Society of Chemistry, 12th ed., Entry# 68.

  7. What is the viscosity of Acetonitrile, Product 34851?

    The viscosity is 0.38 cP at 15°C.

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Purification of acetonitrile.
Walter M and Ramaley L.
Analytical Chemistry, 45(1), 165-166 (1973)
Michelangelo Anastassiades et al.
Journal of AOAC International, 86(2), 412-431 (2003-05-02)
A simple, fast, and inexpensive method for the determination of pesticide residues in fruits and vegetables is introduced. The procedure involves initial single-phase extraction of 10 g sample with 10 mL acetonitrile, followed by liquid-liquid partitioning formed by addition of
Timo Glatter et al.
Molecular systems biology, 5, 237-237 (2009-01-22)
Protein complexes represent major functional units for the execution of biological processes. Systematic affinity purification coupled with mass spectrometry (AP-MS) yielded a wealth of information on the compendium of protein complexes expressed in Saccharomyces cerevisiae. However, global AP-MS analysis of
Elke H J Krekels et al.
Clinical pharmacokinetics, 53(6), 553-563 (2014-02-06)
From a previously validated paediatric population pharmacokinetic model, it was derived that non-linear morphine maintenance doses of 5 μg/kg(1.5)/h, with a 50 % dose reduction in neonates with a postnatal age (PNA) <10 days, yield similar morphine and metabolite concentrations
Hélène Hall et al.
Brain : a journal of neurology, 137(Pt 9), 2493-2508 (2014-07-27)
The neuropathological substrate of dementia in patients with Parkinson's disease is still under debate, particularly in patients with insufficient alternate neuropathology for other degenerative dementias. In patients with pure Lewy body Parkinson's disease, previous post-mortem studies have shown that dopaminergic
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