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Alizarin yellow R

  Post Date: Jul 30,2019
  Expiry Date: Jul 29,2020
  Detailed Description: Cas No. :1718-34-9 Alizarin yellow R
CAS NO.: 1718-34-9
Byname:5-[(4-Nitrophenyl )-azo]salicylic acid sodium salt
Molecular formula: C13H8N3O5Na
Molecular weight: 309.21
Property : brown yellow crystal or powder,dissolved in water
Use :acid-base indicator
C13H8N3O5Na content: 90% Min.
Range of PH:10.0(yellow)-12.0(red)
Solubility test in water: passed
Residue on ignition (sulfate): 20-25% Max.

  CAS Registry Number:


  Synonyms: ;C.I. Mordant Orange 1, monosodium salt (8CI);Benzoic acid, 2-hydroxy-5-(2-(4-nitrophenyl)diazenyl)-, sodium salt (1:1);sodium (3Z)-3-[(4-nitrophenyl)hydrazono]-6-oxocyclohexa-1,4-diene-1-carboxylate;(3E)-3-[(4-nitrophenyl)hydrazono]-6-oxocyclohexa-1,4-diene-1-carboxylic acid;3-[(4-nitrophenyl)hydrazono]-6-oxocyclohexa-1,4-diene-1-carboxylic acid;2-hydroxy-4-[(E)-(4-nitrophenyl)diazenyl]benzoate;sodium 2-hydroxy-5-[(E)-(4-nitrophenyl)diazenyl]benzoate;
  Molecular Formula: C13H8N3NaO5
  Molecular Weight: 309.2095
  Molecular Structure: 1718-34-9 sodium 5-[(4-nitrophenyl)azo]salicylate
  Safety Description: S24/25:;

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