Latest News
  • BUFFER TABLETS pH 4.0 , 6.8 , 7.0 , 7.2 , 9.0 AVAILABLE IN PACK OF 10 , 25 & 100 TABS
  • DRABKIN'S SOLUTION READY TO USE AVAILABLE IN 500ML , 1 LITER , 2.5 LITER CONVENIENT PACK
  • HIGH QUALITY MICROSCOPICAL STAINS AVAILABLE IN POWDER FORM IN CONVENIENT PACK SIZES
  • EDTA ACID , EDTA DISODIUM , EDTA DIPOTASSIUM , EDTA TRI POTASSIUM AR/ACS GRADE AVAILABLE IN VARIOUS PACKINGS
  • DEHYDRATED CULTURE MEDIA'S AVAILABLE AT BEST PRICES IN CONVENIENT PACK SIZES
  • ION PAIRING REAGENTS AVAILABLE FOR RESARCH & ANALYTICAL PURPOSES
  • GIEMSA STAIN SOLUTION FOR MICORSCOPY AVAILABLE IN 100ML , 250ML & 500ML PACK SIZES

Phenol Red Sodium Salt (Water Soluble)

Phenolsulfonphthalein sodium salt

Product Size 25gm/100gm/500gm Grade Laboratory Reagent (LR)
Purity CAS No. 34487-61-1
Molecular Formula C19H13NaO5S Molecular Weight 376.36
H.S. Code 29349900 Shelf Life 60 months
MSDS

Specifications

Appearance Dark brown crystalline powder
Transition range
pH 6.5 yellow
pH 8.2 Red violet
Solubility (0.1% distilled Water) Clear red Solution
Loss on drying at 110°C (1hr) < 5%
Absorptivity 1%, 1cm, (pH 6.5) at ? max. 430.0nm 560 - 620
Absorptivity 1%,1cm, (pH 6.5) at ? max. 558.0nm 970 - 1100

Safety Information and Hazard Symbols
© Techno Pharmchem 2019. All Rights Reserved.