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BROMOCRESOL PURPLE SODIUM SALT INDICATOR

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SYNONYMS :  5',5-DIBROMO-O-CRESOLSULFONPHTHALEIN SODIUM SALT
 
Article No. 2282A

Grade
Purity 90%
CAS No. 62625-30-3
Molecular Formula C21H15Br2NaO5S
Molecular Weight 562.20
H.S. Code 2934.9990
Shelf Life 5 Years

 
Specifications
Appearance Black-Brown to Orange-Rust Powder
Absorption maxima (λ1) c = 0.01g/l; 0.1N NaOH 587 - 591 nm
Extinction Coefficient Min 47000
Absorption maxima (λ2) 375 - 381 nm
Extinction Coefficient Min 7000
Dye content (titration by AgNO3) Min 90%
Visual Interval (pH 5.2 - 6.8) Yellow- Purple
 
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
 
Revision Date : 31-Jul-2013