Acetonitrile
SIGALD/34998 - HPLC Plus, ≥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
Acetonitrile Plus Grade, UV Gradient Impurity Profile
Acetonitrile Plus Grade, UV Gradient Impurity Profile
| λ | H2O reference |
| application(s) | food and beverages |
| assay | ≥99.9% |
| autoignition temp. | 973 °F |
| baseline drift measuring range | ≤12 mAU (210 nm) |
| bp | 81-82 °C (lit.) |
| density | 0.786 g/mL at 25 °C (lit.) |
| expl. lim. | 16 % |
| form | liquid |
| format | neat |
| grade | HPLC Plus |
| halogenated residue | 10 ng/L (as heptachlor epoxide) |
| HPLC-gradient | ≤0.2 mAU at 254 nm |
| ≤1 mAU at 210 nm | |
| impurities | ≤0.0001% free alkali (as NH3) |
| ≤0.0002% non-volatile matter | |
| ≤0.001% free acid (as CH3COOH) | |
| ≤0.01% water (Karl Fischer) | |
| ≤0.5 ppb fluorescence (quinine) at 254 nm | |
| ≤0.5 ppb fluorescence (quinine) at 365 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 |
| technique(s) | HPLC: suitable |
| IR spectroscopy: suitable | |
| UV absorption | λ: 195 nm Amax: ≤0.10 |
| λ: 200 nm Amax: ≤0.02 | |
| λ: 228 nm Amax: ≤0.005 | |
| 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 has been used to compose the gradient system for the HPLC detection of diphenylmethane diisocyanate, a polymeric degradation product. |
| Application: | New Quality UPLC Plus Acetonitrile is suitable for all applications including: Mass spectrometry, HPLC, TLC, GPC, UV, IR, GC, Pesticide Residue Analysis, and RNA/DNA Synthesis and Purification. |
| 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 Merck KGaA, Darmstadt, Germany |
| Other Notes: | Important notice • The article number 34998-4X2.5L will be discontinued. Please order the single bottle 34998-2.5L which is physically identical with the same exact specifications. • The article number 34998-6X1L will be discontinued. Please order the single bottle 34998-1L which is physically identical with the same exact specifications. |
| Other Notes: | Discover LiChropur reagents ideal for HPLC or LC-MS analysis |
| Other Notes: | Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723 . |
| Packaging: | 1, 6×1, 2.5, 4×2.5, 4, 4×4 L in glass bottle |
| Packaging: | 20 L in Nowpak™ |
| Packaging: | 20, 50 L in Pure-Pac™ 2 |
| Packaging: | 200 L in Pure-Pac™ 1 |
| Packaging: | 200 L in Pure-Pac™ 2 |
| Packaging: | M-Bottle for Solvents As a global leader in lab reagents, we are constantly looking for new ways to optimize the safety of our products. The newly developed 4L solvent bottle design features advanced sealing technology that eliminates leaks to make the handling of solvents safer and more convenient than ever before. See all the new features here! |
| Packaging: | View returnable container options . |
| Preparation Note: | Product filtered through a 0.2 μm filter |
| Symbol |   GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225 - H302 + H312 + H332 - H319 |
| Precautionary statements | P210 - P280 - P301 + P312 + P330 - P302 + P352 + P312 - 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) | 42.8 °F - closed cup |
| Flash Point(C) | 6.0 °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 |
| UNSPSC | 41116105 |