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2-(4-Sulfophenylazo)1,8-Dihydroxy-3,6-Naphthalenedisulfonic Acid Trisodium Salt (SPADNS)

Used as a chromogenic indicator for spectrophotometric determination of metal ions and fluoride ions.

Product Details

Category Analytical Reagents
Dyes, Stains & Indicators
Price POA
CAS Number 23647-14-5
Formula C16H9N2Na3O11S3
Molecular Weight 570.41
Appearance dark red-brown crystalline powder
Purity 95.0%
Storage Conditions Room temperature

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