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

Alizarin red S

C.I No. 58005 , Sodium alizarine sulphonate

Product Size 25gm/100gm Grade Laboratory Reagent (LR)
Purity CAS No. 130-22-3
Molecular Formula C14H7NaO7S Molecular Weight 342.26
H.S. Code 32041200 Shelf Life 60 months
MSDS Certificate of Analysis (COAs)

Specifications

Appearance Yellow powder
pH 4.3 - pH 6.3 Brilliant yellow-pink
pH 9.4 - pH 12.0 Brown orange-violet
Solubility in 0.1% (dist. water) Clear solution
Absorptivity 1%, 1cm, (0.1 N NaOH) at ? max. 556nm >350
Absorptivity 1%, 1cm, (0.1 N NaOH) at ? max. 594nm >320
Loss on drying (110°C) <5%

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