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Producer, Manufacturer, Supplier of
Alizarin
MSDS  |  Print
GRR Code : 0276
CAS No : 72-48-0
CI No : 58000
Molecular Formula : C14H8O4
Molecular Weight : 240.22
Description : Orange powder ·Solubility in water at 20 ºC 0,4 g/l ·In alcohol 2 g/l ·M. P.: 279-289 ºC · APPLICATIONS: pH Indicator range : 5,5 - 6,8 yellow-red violet · Reagent for Al: A.P. Musakin , Z. Anal. Chem , 105 , 351 (1936) ; C. J. Barton ,Anal .Chem., 20 , 1068 (1948) ; C. A. Parker , A. P. Goddard , Anal.Chem. Acta ,4 , 517 (1950) ; W. Oelschläger , Z. Anal. Chem. , 154 , 321 (1957) · Reagent for In ; A. S. Komarowsky
Website :
Synonyms : 1,2-Dihydroxyanthraquinone, Mordant Red 11, C.I. 58000, C14H8O4
Specifications :
Specifications
Identity IR p/t.
l1 of max. ABS in NaOH 0,1 mol/l 564-568 nm
l2 of max. ABS in NaOH 0,1 mol/l 605-609 nm
A 1%, 1cm, l1 max >625
A 1%, 1cm, l2 max >525
T.L.C p/t.

MAXIMUM LIMIT OF IMPURITIES
  
pH transition interval:   
yellow 5,5
red-violet 6,8
Insoluble matter in CH3OH p/t.
Loss on drying at 135°C 5 %
Sensitivity as Al reagent p/t.


HAZARDOUS: RTECS: CB 6580000
Packaging :
Weight Unit Weight Description Price
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