back  inquiry  print
1,2-Naphthoquinone-4-Sulfonic Acid Sodium Salt
 
CAS No.521-24-4
Einecs No.207-821-5
HS Code2914 7000
Molecular FormulaC10H5O5SNa
Molecular Weight260.20 g/mol
Synonyms
Folin's reagent;
SNS Eastman-Kodak 1372;
1,2-Naphthoquinone-4-sodiumsulfonate;
Sodium1,2-naphthoquinone-4-sulfonate
STANDARD SPECIFICATIONS
TestSpecifications
Physical appearance Orange crystaline powder
Assay by HPLCMin 98 %
Melting point>290oC
Colour of 5% solution in waterClear deep orange solution
pH of 5% solution in water2.5-3.5
Loss on dryingMax 5.0 %
IRComplies with standard
back