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suitable for HPLC, gradient grade, ≥99.9%

Cyanomethane, Methyl cyanide, ACN, Ethyl nitrile
Fórmula linear:
Número CAS:
Peso molecular:
Número EC:
Número MDL:
ID de substância PubChem:


gradient grade

Nível de qualidade


densidade de vapor

1.41 (vs air)

pressão de vapor

72.8 mmHg ( 20 °C)





temperatura de autoignição

973 °F

Lim. expl.

16 %

baseline drift measuring range

≤15 mAU (210 nm)


HPLC: suitable


≤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

índice de refração

n20/D 1.344 (lit.)


81-82 °C (lit.)


−45 °C (lit.)


0.786 g/mL at 25 °C (lit.)


≤0.5 mAU at 254 nm
≤3 mAU at 210 nm

Absorção UV

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


food and beverages

temperatura de armazenamento

room temp

SMILES string




InChI key


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Descrição geral

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.


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


200, 200 L in Pure-Pac™ 2
1, 6×1, 2, 4×2, 2.5, 4×2.5, 4, 4×4 L in glass bottle
56, 200, 200 L in Pure-Pac™ 1
100 mL in glass bottle
20, 50 L in Pure-Pac™ 2

Nota de preparo

Product filtered through a 0.2 μm filter

Outras notas

Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.
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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Informações legais

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC


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Palavra indicadora


Classificações de perigo

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

Código de classe de armazenamento

3 - Flammable liquids



Ponto de fulgor (ºF)

35.6 °F - closed cup

Ponto de fulgor (ºC)

2.0 °C - closed cup

Certificado de análise

Certificado de origem

  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
Lilly Schwieler et al.
Journal of psychiatry & neuroscience : JPN, 40(2), 126-133 (2014-12-03)
Accumulating evidence indicates that schizophrenia is associated with brain immune activation. While a number of reports suggest increased cytokine levels in patients with schizophrenia, many of these studies have been limited by their focus on peripheral cytokines or confounded by


HPLC Analysis of Proteins on BIOshell™ A400 Protein C4, Rapid Separation at Elevated Temperature

For use as a marker in SDS-PAGE; lactate dehydrogenase; contaminant; L-Lactic Dehydrogenase from rabbit muscle, Type XI, lyophilized powder, 600-1,200 units/mg protein


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