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34851 Sigma-Aldrich

Acetonitrile

for HPLC, gradient grade, ≥99.9%

Synonym: ACN, Methyl cyanide

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Properties

Related Categories Acetonitrile and Acetonitrile Solutions, Amber Glass Bottles, Analytical Reagents, Analytical/Chromatography, Biochemicals and Reagents,
grade   for HPLC, gradient grade
vapor density   1.41 (vs air)
vapor pressure   72.8 mmHg ( 20 °C)
InChI Key   WEVYAHXRMPXWCK-UHFFFAOYSA-N
assay   ≥99.9%
autoignition temp.   973 °F
expl. lim.   16 %
measuring range   ≤15 mAU baseline drift, (210 nm)
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   −48 °C(lit.)
density   0.786 g/mL at 25 °C(lit.)
absorption   HPLC-gradient/210 nm ≤3 mAU
  HPLC-gradient/254 nm ≤0.5 mAU
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
storage temp.   room temp

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Other Notes

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

Packaging

1, 6×1, 2, 4×2, 2.5, 4×2.5, 4, 4×4 L in glass bottle

100 mL in glass bottle

20, 50 L-P2 in Pure-Pac™ 2

200 L in Pure-Pac™ 1

200 L in Pure-Pac™ 2

200 L-LS in Pure-Pac™ 1

200 L-P1 in Pure-Pac™ 1

200 L-P2 in Pure-Pac™ 2

56 L-P1 in Pure-Pac™ 1

View returnable container options.

Preparation Note

Product filtered through a 0.2 μm filter

Application

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

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.

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Legal Information

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

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Biomedical Applications

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1648 3 / PGII
WGK Germany 
2
RTECS 
AL7700000
Flash Point(F) 
35.6 °F
Flash Point(C) 
2 °C

Frequently Asked Questions

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. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
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. 
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, or search here. 
What is the flash point of Acetonitrile, Product 34851?
The flash point is 2.0°C. 
What is the surface tension of Acetonitrile, Product 34851?
The surface tension is 29.04 dynes/cm at 20°C, according to The Merck Index, 12th ed., Entry# 68.
What is the viscosity of Acetonitrile, Product 34851?
The viscosity is 0.38 cP at 15°C.
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Related Content

Properties of Solvents Table

a. Gant, R., LC/GC 10(7), 515 (1992) 1. At 20 °C 2. At 20 °C +/- 5 °C relative to water at 4 °C 3. At 10mmHg pressure 4. At l=589.32nm
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Peer-Reviewed Papers
15

References

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