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110396 Supelco

Chromotrope 2B

Synonym: 2-(4-Nitrophenylazo)chromotropic acid disodium salt, Acid Red 176

  • CAS Number 548-80-1

  • Empirical Formula (Hill Notation) C16H9N3Na2O10S2

  • Molecular Weight 513.37

  •  Colour Index Number 16575

  •  Beilstein/REAXYS Number 4109733

  •  EC Number 208-959-9

  •  MDL number MFCD00003951

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Properties

SMILES string   [Na+].[Na+].Oc1cc(cc2cc(c(\N=N\c3ccc(cc3)[N+]([O-])=O)c(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
InChI   1S/C16H11N3O10S2.2Na/c20-12-7-11(30(24,25)26)5-8-6-13(31(27,28)29)15(16(21)14(8)12)18-17-9-1-3-10(4-2-9)19(22)23;;/h1-7,20-21H,(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b18-17+;;
InChI key   AXUUHWJXDWBCSG-QIKYXUGXSA-L

Description

Application

For the determination of boric acid, borates, germanium, cobalt, nickel, copper and rare earth metals.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

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