ANALYTYKA Fine Chemicals and Pharmaceutical Raw Materials

n-Pentane 95% (UV-IR-HPLC) PAI


C5H12



 

M.= 72,15 CAS [109-66-0] EINECS 203-692-4
NC 2901 10 90    


PHYSICAL DATA: Clear , colourless liquid · Solubility in water at 20 ° C 0,36 g/l · D at 20/4: 0,63 · M. P.: -129,7 ° C · B. P.: 35 - 37 ° C · n20/D: 1,357 · Flash P.: -40 ° C · Ign. T.: 285 ° C · Vap. press. at 20 ° C 573 hPa · Viscosity at 25 ° C 0,22 mPas · Dielec. constant at 20 ° C 1,84 · Heat evap. at 36 ° C 383 KJ/Kg · Satur. conc. at 20 ° C 1698 g/m3 · Expl. limit 1,4 - 7,8 in vol % ·
 

HAZARDOUS: E.C.: 601-006-00-1 · RTECS: RZ 9450000 · LC L0 ihl mus 325 g/m3/2h ·VLA-ED: 3000 mg/m3 ·

       R: 12-51/53-65-66-67
S: 9-16-29-33-61-62

TRANSPORT REGULATIONS: UN: 1265 · ADR: 3/II · IMDG: 3/II · IATA: 3/II · PAX: 302 · CAO: 303·

WEIGHT/VOLUME INFORMATION: 1lX0,626kg     1kgX1,597l
 

SPECIFICATIONS:

Minimum assay (G.C.) 95,0 %
Density at 20/4 0,624-0,628

MAXIMUM LIMIT OF IMPURITIES		   
APHA colour 10
Non volatile matter 0,0003 %
Acidity 0,0005 meq/g
Alkalinity 0,0002 meq/g
Water (H2O) 0,005 %
Suitability for IR spectrometry p/t.

UV Spectrum (1 cm cell; Ref.: water)		   
l (nm) 195  (Cut off) 200 210 220 230 240-400  
A (AU) 1,000 0,523 0,155 0,046 0,018 0,009  
T (%) 10 30 70 90 96 98  


 

Fluorescence (as quinine):   
l (nm) 254 365          
ppb 1,0 1,0          


 


Microfiltered product (0,2 mm) and bottled under nitrogen atmosphere.		   

Data of interest in HPLC:		   
Rohrschneider Polarity 0,0
Eluotropic value E°(Al2O3) 0,00
Sol. H2O in solv. at 20°C 0,01
P' + 0,25 E 0,5

For critical jobs, purge with nitrogen.