Acetonitrile
SIGALD/34851 - suitable for HPLC, gradient grade, ≥99.9%
Synonym: ACN; Cyanomethane; Ethyl nitrile; Methyl cyanide
CAS Number: 75-05-8
Empirical Formula (Hill Notation): C2H3N
Molecular Weight: 41.05
EC Number: 200-835-2
MDL Number: MFCD00001878
Linear Formula: CH3CN
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 34851-100ML.
| application(s) | food and beverages |
| assay | ≥99.9% |
| autoignition temp. | 973 °F |
| baseline drift measuring range | ≤15 mAU (210 nm) |
| bp | 81-82 °C (lit.) |
| density | 0.786 g/mL at 25 °C (lit.) |
| expl. lim. | 16 % |
| form | liquid |
| grade | gradient grade |
| HPLC-gradient | ≤0.5 mAU at 254 nm |
| ≤3 mAU at 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 | |
| InChI | 1S/C2H3N/c1-2-3/h1H3 |
| InChI key | WEVYAHXRMPXWCK-UHFFFAOYSA |
| mp | −45 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| SMILES string | CC#N |
| storage temp. | room temp |
| technique(s) | HPLC: suitable |
| 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 | |
| vapor density | 1.41 (vs air) |
| vapor pressure | 72.8 mmHg ( 20 °C) |
| 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. |
| Legal Information: | Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC |
| 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. |
| 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 |
| Packaging: | 100 mL in glass bottle |
| Packaging: | 200 L in Pure-Pac™ 2 |
| Packaging: | 50 L in Pure-Pac™ 2 |
| Packaging: | 56, 200, 200 L in Pure-Pac™ 1 |
| Packaging: | View returnable container options . |
| Preparation Note: | Product filtered through a 0.2 μm filter |
| Recommended products: | Discover LiChropur reagents ideal for HPLC or LC-MS analysis |
| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H302 + H312 + H332 - H319 |
| Precautionary statements | P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-20/21/22-36 |
| Safety Statements | 16-36/37 |
| RIDADR | UN 1648 3 / PGII |
| WGK Germany | WGK 2 |
| Flash Point(F) | 35.6 °F - closed cup |
| Flash Point(C) | 2.0 °C - closed cup |
| Purity | ≥99.9% |
| bp | 81-82 °C (lit.) |
| mp | −45 °C (lit.) |
| Density | 0.786 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | room temp |
| UNSPSC | 41116105 |