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Pyridine, for analysis, ExpertQ®, ACS, Reag. Ph Eur

- C5H5N
- M = 79,10 g/mol
- CAS [110-86-1]
- EINECS-No.: 203-809-9
- Density: 0,98 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: -42 ºC
- Boiling point: 115 ºC
- Flash pt. 17 ºC
- Ignition temp.: 550 ºC
- Vapour pressure: (20 ºC) 20 hPa
- Refraction index: (n 20 ºC/D) 1,5092
- Dielectric const.: (25 ºC) 12,3
- LD 50 (oral, rat): 891 mg/kg
- EC-Index-No.: 613-002-00-7
- ADR: 3 F1 II UN 1282
- IMDG: 3 II UN 1282
- IATA/ICAO: 3 II UN 1282
- GHS-signal word: Danger
- GHS-H sentences: H225 - H302 - H312 - H332
- GHS-P sentences: P210 - P241 - P303+P361+P353 - P370+P378 - P403+P235 - P501a
- Tariff number: 2933 31 00 00
- Applications: solvents, synthesis of organic products, analytical chemistry.

SPECIFICATIONS
assay (G.C.): min. 99,5 %
identity (IR-spectrum): passes test
density (20º/4º): 0,982 - 0,984
appearance: clear
solubility in water: passes test
colour (Hazen): max. 10
boiling point: 114 - 116 ºC
chlorides (Cl): max. 0,0005 %
sulfates (SO4): max. 0,0005 %
aluminium (Al): max. 0,5 ppm
barium (Ba): max. 0,1 ppm
boron (B): max. 0,02 ppm
cadmium (Cd): max. 0,05 ppm
calcium (Ca): max. 0,5 ppm
chromium (Cr): max. 0,02 ppm
cobalt (Co): max. 0,02 ppm
copper (Cu): max. 0,02 ppm
iron (Fe): max. 0,1 ppm
lead (Pb): max. 0,1 ppm
magnesium (Mg): max. 0,1 ppm
manganese (Mn): max. 0,02 ppm
nickel (Ni): max. 0,02 ppm
tin (Sn): max. 0,1 ppm
zinc (Zn): max. 0,1 ppm
2-picoline (G.C.): max. 0,2 %
piperidine (G.C.): max. 0,01 %
ammonia (NH3): max. 0,002 %
reducing substances: passes test
residue on evaporation: max. 0,002%
water (K.F.): max. 0,05 %