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PHENOL RED SODIUM SALT AR/ACS

HomeLaboratory ChemicalspH Indicator (Solid)
SYNONYMS :  PHENOLSULFONEPHTHALEIN SODIUM SALT
 
Article No. 5182A
Grade AR/ACS
Purity 90%
CAS No. 34487-61-1
Molecular Formula C19H13NaO5S
Molecular Weight 376.36
H.S. Code 2934.9900
Shelf Life 5

 
Specifications
Appearance Red to very dark red powder
Dye content Min 90%
Absorption maxima (?1) (c = 0.01g/L; Methanol) 422 - 426 nm
Extinction Coefficient Min 19000
Absorption maxima (?2) 265 - 269 nm
Extinction Coefficient Min 9000
Clarity of Solution c = 0.1g/100 ml; Water Passes test
Visual Interval :
pH 6.8 Yellow with Green Tint
pH 7.0 Orange
pH 8.2 Red
 
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
 
Revision Date : 28-Feb-2014