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Merck
CN

34851

Acetonitrile

≥99.9%, gradient grade, suitable for HPLC

Synonym(s):

Methyl cyanide, Anhydrous ACN, Dry MeCN

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About This Item

Linear Formula:
CH3CN
CAS Number:
Molecular Weight:
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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Product Name

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

grade

gradient grade

Quality Level

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

application(s)

food and beverages

format

neat

storage temp.

room temp

SMILES string

CC#N

InChI

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

InChI key

WEVYAHXRMPXWCK-UHFFFAOYSA-N

General description

Acetonitrile (MeCN) is widely employed as a solvent in various studies and has high dielectric constant (37.5). Various purification procedures to obtain different grades of acetonitrile for use in different studies (polarography, spectroscopy, etc.) have been reported by many researchers.

Application

Acetonitrile (MeCN) may be used as an extraction solvent during the quantification of pesticide residues in fruits and vegetables.

Preparation Note

Product filtered through a 0.2 μm filter

Other Notes

Important notice
  • The article number 34851-4X2.5L will be discontinued. Please order the single bottle 34851-2.5L which is physically identical with the same exact specifications.
  • The article number 34851-6X1L will be discontinued. Please order the single bottle 34851-1L which is physically identical with the same exact specifications.
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pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

flash_point_f

35.6 °F - closed cup

flash_point_c

2.0 °C - closed cup

Regulatory Information

危险化学品

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Protocols

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Articles

如果物质相互溶解形成均匀的溶液,就可以说它们相互混溶。收藏或下载我们的常见实验室溶剂混溶性表。

Substances are said to be miscible in one another if they dissolve to form a uniform solution. Bookmark or download our miscibility table for common lab solvents.

Polar graphitic carbon enables UHPLC separation of highly polar pesticides, herbicides, and Vitamin D metabolites, advancing liquid chromatography capabilities.

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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
Purification of acetonitrile.
Walter M and Ramaley L.
Analytical Chemistry, 45(1), 165-166 (1973)
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



Global Trade Item Number

SKUGTIN
34851-2.5L04061837478642
34851-200L-LS-NB04061837478659
34851-200L-P2-LS04061837285684
34851-200LP2-4B-LS04061837478697
34851-20L-P204061837478710
34851-215L-C0104061837285707
34851-3L04061837285714
34851-4L04061838443274
34851-4X2L04061837478741
34851-4X4L04061838443281
34851-50L-P2-4B-LS04061837478758
34851-VS-50L-P104061841232780