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CAS No 117-92-0 , Quinaldine Red

  • Name: Quinaldine Red
  • Synonyms: Quinaldine Red;2-[4-(Dimethylamino)styryl]-1-ethylquinolinium iodide;
  • CAS Registry Number:
  • Melting Point: 240 ºC
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: g/cm3
  • Safety Statements: S24/25
  • HS Code: 29334990
  • Flash Point: °C
  • EINECS: 204-221-5
  • Molecular Weight: 430.33
  • InChI: InChI=1/C21H23N2.HI/c1-4-23-20(16-12-18-7-5-6-8-21(18)23)15-11-17-9-13-19(14-10-17)22(2)3;/h5-16H,4H2,1-3H3;1H/q+1;/p-1
  • Risk Statements: S24/25
  • Molecular Formula: C21H23IN2
  • Molecular Structure:CAS No:117-92-0 Quinaldine Red

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117-92-0 QUINALDINE RED

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117-92-0 QUINALDINE RED

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117-92-0 2-(-(4-dimethylamino)styryl)-1-ethylquinolinium iodide

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117-92-0 2-(-(4-dimethylamino)styryl)-1-ethylquinolinium iodide

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References of Quinaldine Red
Title: Quinaldine Red
CAS Registry Number: 117-92-0
CAS Name: 2-[2-[4-(Dimethylamino)phenyl]ethenyl]-1-ethylquinolinium iodide
Synonyms: 2-[p-(dimethylamino)styryl]-1-ethylquinolinium iodide; 2-(p-dimethylaminostyryl)quinoline ethiodide; a-(p-dimethylaminophenylethylene)quinoline ethiodide
Manufacturers' Codes: Eastman no. 1361
Molecular Formula: C21H23IN2
Molecular Weight: 430.33
Percent Composition: C 58.61%, H 5.39%, I 29.49%, N 6.51%
Literature References: Prepd by condensing quinaldine ethyliodide and p-dimethylaminobenzaldehyde in alc in the presence of piperidine: K?nig, J. Prakt. Chem. [2] 86, 172 (1912); DE 294744; Frdl. 14, 735.
Properties: Very dark red powder. Sparingly sol in water. Freely sol in alcohol, giving a dark red soln. Solns are slowly dec by light. pKb 11.25. Colorless at pH 1.4; red at pH 3.2. In the presence of chlorides the transition interval is from pH 1.2 to pH 3.0.
pKa: pKb 11.25
Use: As an indicator.