Pigment Red 49:1 Chemical Properties

Density 

1.66[at 20℃]

LogP

4.024 (est)

CAS DataBase Reference

1103-38-4(CAS DataBase Reference)

EPA Substance Registry System

C.I. Pigment Red 49, barium salt (2:1) (1103-38-4)

Safety Information

TSCA 

TSCA listed

Hazardous Substances Data

1103-38-4(Hazardous Substances Data)

MSDS

• Language:English Provider:2-(2-Hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid barium salt (2:1)

Pigment Red 49:1 Usage And Synthesis

Uses

Pigment Red 49:1 is a red azo pigment, popular as artists'' coloring materials in the first half of the twentieth century

Flammability and Explosibility

Not classified

Synthesis

Dissolve 2-naphthylamine-1-sulfonic acid (tuliptic acid) in ammonia or sodium hydroxide, cool down to 0-5 ??, add hydrochloric acid acid precipitation, add sodium nitrite aqueous solution in 30min, diazotization reaction, reaction 1h, standby; dissolve 2-naphthol in sodium hydroxide aqueous solution, add diazotization salt at 10 ??, 30min, coupled at pH = 9.5-10, add hot rosin soap solution and Barium chloride aqueous solution, pH = 8.5, 60 ?? reaction 1h, filtration, washing, drying.  

Properties and Applications

Pigment Red 49:1(1103-38-4)Related Product Information

• Folic acid
• Pigment Red 5
• CHLOROPHOSPHONAZO III
• Barium
• Pigment Red 254
• Pigment Red 122
• Pigment Red 177
• Pigment Red 53:1
• CI NO 77605
• 1-Naphthalenesulfonic acid
• 4-PHENYLAZOPHENOL
• Pigment Red 2
• Pigment Red 122
• Barium petroleum sulfonate
• Barium sulfate
• Pigment Red 149
• Pigment Red 188
• Vat Orange 3