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Acetonitrile, UHPLC-MS

- Synonyms: Methyl cyanide, Cyanomethane
- CH3CN
- M = 41,05 g/mol
- CAS [75-05-8]
- EINECS-No.: 200-835-2
- Density: 0,786 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: -45,7 ºC
- Boiling point: 81,6 ºC
- Flash pt. 2 ºC
- Ignition temp.: 524 ºC
- Vapour pressure: (20 ºC) 97 hPa
- Refraction index: (n 20 ºC) 1,3442
- Dielectric const.: (20 ºC) 37,5
- LD 50 (oral, rat): 2730 - 3800 mg/kg
- EC-Index-No.: 608-001-00-3
- ADR: 3 F1 II UN 1648
- IMDG: 3 II UN 1648
- IATA/ICAO: 3 II UN 1648
- GHS-signal word: Danger
- GHS-H sentences: H225 - H302+H312+H332 - H319
- GHS-P sentences: P210 - P303+P361+P353 - P305+P351+P338 - P370+P378 - P403+P235 - P501a
- Tariff number: 2926 90 70 22
- Applications: chromatography, synthesis of organic products, solvents.

SPECIFICATIONS
assay (G.C.): min. 99,9 %
identity (IR-spectrum): passes test
density (20º/4º): 0,779 - 0,783
acidity: max. 0,0002 meq/g
aluminium (Al): max. 25 ppb
barium (Ba): max. 5 ppb
cadmium (Cd): max. 5 ppb
calcium (Ca): max. 25 ppb
chromium (Cr): max. 5 ppb
cobalt (Co): max. 5 ppb
copper (Cu): max. 5 ppb
iron (Fe): max. 5 ppb
lead (Pb): max. 5 ppb
magnesium (Mg): max. 10 ppb
manganese (Mn): max. 5 ppb
nickel (Ni): max. 5 ppb
potassium (K): max. 10 ppb
silver (Ag): max. 5 ppb
sodium (Na): max. 50 ppb
tin (Sn): max. 5 ppb
zinc (Zn): max. 5 ppb
residue on evaporation: max. 0,0001 %
water (K.F.): max. 0,01 %

suitability for use in UHPLC-MS: passes test

wavelength:: T(%) A (AU)
195 nm: 80 % 0,097 AU
200 nm: 95 % 0,022 AU
210 nm: 97 % 0,013 AU
220 nm: 98 % 0,009 AU
230 nm: 99 % 0,004 AU

maximum background absorbance:: 0,012 AU
maximum peak absorbance:: 0,001 AU

maximum peak absorbance:: 0,0002 AU

UHPLC-MS test ESI+: max. 5 ppb Reserpin
UHPLC-MS test ESI-: max. 20 ppb Digoxin

Microfiltered through membranes of pore diameter 0,1 µm