Pigment red 166

CAS: 3905-19-9

Ref. 3D-FP164841

Product Information

• Name: Pigment red 166
• Synonyms: 1,4-Bis[[1-(2,5-dichlorophenylazo)-2-hydroxy-3-naphthoyl]amino]benzene, 2-Naphthalenecarboxamide, N,N′-1,4-phenylenebis[4-[2-(2,5-dichlorophenyl)diazenyl]-3-hydroxy-, 2-Naphthalenecarboxamide,N,N'-1,4-phenylenebis[4-[(2,5-dichlorophenyl)azo]-3-hydroxy-, 2-Naphthamide, N,N′-p-phenylenebis[4-[(2,5-dichlorophenyl)azo]-3-hydroxy-, Cromophtal Scarlet D 3430, Cromophtal Scarlet D 3540, Cromophtal Scarlet K 3540, Cromophtal Scarlet K 3890, Cromophtal Scarlet R, Cromophtal Scarlet RN, Cromophtal Scarlet RT, Dafenzi Red R, Disazo Scarlet, Irgafin Scarlet T, Microlith Scarlet R-A, Microlith Scarlet R-T, N,N′-1,4-Phenylenebis[4-[2-(2,5-dichlorophenyl)diazenyl]-3-hydroxy-2-naphthalenecarboxamide], P.R.166, Pigment Red 166, Pr 166, Scarlet D 3540, Scarlet K 3890, Scarlet RA, Unisperse Scarlet R-E, Versal Scarlet R, C.I. 20730, C.I.Pigment Red 166

Description

Pigment Red 166 is a hydroxyl group glycol ester. It is a mixture of red, orange and yellow pigments that are used in paints and coatings. Pigment Red 166 has a particle size of less than 1 micron and a thermal expansion coefficient of about 2.5 x 10-6 K-1. This pigment has an inorganic acid content of about 0.4%. The shape of the pigment is spherical, with a diameter of about 20 nm. Pigment Red 166 exhibits fluorescence when irradiated with radiation from the ultraviolet to the infrared region of the spectrum, which corresponds to its aliphatic hydrocarbon content.

• Brand: Biosynth

Chemical properties

• Molecular weight: 794.47 g/mol
• Formula: C₄₀H₂₄Cl₄N₆O₄
• Color/Form: Powder