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PYROCATECHOL VIOLET AR

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SYNONYMS :  CATECHOL VIOLET; PYROCATECHOLSULFONPHTHALEIN
 
Article No. 05505
Grade AR
Purity
CAS No. 115-41-3
Molecular Formula C19H14O7S
Molecular Weight 386.38
H.S. Code 3204.1900
Shelf Life 5 Years

 
For the Colorimetric determination of metals.
Used in a rapid and sensitive method for tin.
 
Specifications
Appearance Dark green to green metallic or Brown Crystalline powder
Lambda max (in Methanol) 441 to 449 nm
Specific ext. E (at lambda max, methanol) (1%/1cm) min 375 Min 375
Appearance of solution (0.1% aq. solution ) Clear
Suitability test for complexometric det. of metal oxides Passes test
Packings
00001    1 g
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00005    5 g
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Revision Date : 14-Dec-2013
 
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