Pigment Red 9 Chemical Properties

Density 

1.38

vapor pressure 

0.001Pa at 20℃

solubility 

9.3mg/L in organic solvents at 20 ℃

Water Solubility 

1.6μg/L at 20℃

LogP

3.76 at 20℃

EPA Substance Registry System

2-Naphthalenecarboxamide, 4-[(2,5-dichlorophenyl)azo]-3-hydroxy-N-(2-methoxyphenyl)- (6410-38-4)

Pigment Red 9 Usage And Synthesis

Chemical Properties

Yellowish red. Melting point 280°C. Good resistance to sunlight, acids, and alkalis, but poor resistance to solvents.

Uses

C.I. Pigment red 9 is the most important colorant used to add color or change the color of something and is chemically essentially unaffected by the carrier or medium into which it is incorporated. It can be widely used in textile, medicine, food, cosmetics, plastics, paint, ink, photography and paper industries.

Flammability and Explosibility

Not classified

Properties and Applications

References

[1] Gürses A, A??ky?ld?z M, Güne? K, et al. Dyes and pigments: their structure and properties[J]. Dyes and pigments, 2016: 13-29.

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