Certificate of Analysis

 

Product Name: Potassium 7-hydroxy-1-naphthalenesulfona
Catalog Number: M54769
CAS Number: 30252-40-5

Physical and Chemical Properties
Formula: C10H7KO4S
Molecular Weight: 262.32
Form: Solid
Solubility: DMSO 35 mg/mL
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Chemical Structure: Potassium 7-hydroxy-1-naphthalenesulfona Structure
Analytical Data
QC Standard: >98.5%
H-NMR: Consistent with structure
Product Information
Description: Potassium 7-hydroxy-1-naphthalenesulfona (2-Naphthol-8-sulfonic Acid Potassium Salt) is naturally present in the fruit of the Rubiaceae gardenia, the flowers of the Iridaceae crocus, and the flowers and leaves of the Scrophulariaceae Scrophulariaceae.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.