CAS Registry Number
CAS 548-80-1 — Chromotrope 2B
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CAS No.548-80-1
FormulaC16H9N3Na2O10S2
Mol. weight513.40
Also known as: Chromotrope Red 4B · Khromotrop 2B · Naphtocard Fast Red 3B · C.I. Acid Red 176 · C.I. Acid Red 176 (VAN) · p-Nitrobenzeneazochromotropic acid sodium salt · 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-nitrophenyl)azo)-, disodium salt · C.I. Acid Red 176, disodium salt
IUPAC: disodium;4,5-dihydroxy-3-[(4-nitrophenyl)diazenyl]naphthalene-2,7-disulfonate
Available grades of CAS 548-80-1
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