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CAS No:493-52-7 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid
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Methyl red

  • CAS No.: 493-52-7
  • Weight: 269.2985
  • Formula: C15H15N3O2
  • Melting Point: 178-182 ºC
  • Place of Orign: Shenyang,Liaoning,China
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Item specifics

  • Product Name.:Methyl red
  • CAS No: 493-52-7
  • Weight: 269.2985
  • Formula: C15H15N3O2
  • Melting Point: 178-182 ºC
  • Boiling Point: 479.5°Cat760mmHg
  • Density: 0.839 g/mL at 25 °C

Details

Methyl red
CAS NO.: 493-52-7
Synonyms: p-Dimethylaminoazobenzene-carboxylic acid
Molecular formula: C15H15O2N3
Molecular weight: 269.30
Property: shiny purple crystal. soluble in ethanol and acetic acid, insoluble in water.
Use: acid-base indicator. Adsorption indicator.
Storage require:sealed .
Range of melting point : 172.0-182.0 (2C spacing)
Range of PH: 4.2 (red)-6.2 (yellow)
Solubility test in ethanol: passed
Residue on ignition (sulfate): 0.2% Max.
Oxidated test (bromine): passed

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Description: Methyl orange CAS NO.: 547-58-0 Synonyms:P-Dimethylaminoazobenzenesul fonic acid sodium salt,Orange III Molecular formula: C14H14N3NaO3S Molecular weight: 327.33 Property: Orange chip crystal or crystalline powder. one of azo pigment. soluble in hot ...

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