Pigment Red 266
Pigment Red 266 Basic information
- Product Name:
- Pigment Red 266
- Synonyms:
-
- 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide
- PR266 NAPHTHOL RED 2R
- 2-Naphthalenecarboxamide, 4-4-(aminocarbonyl)phenylazo-3-hydroxy-N-(2-methoxyphenyl)-
- 4-[[4-(aminocarbonyl) phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)-2-Naphthalenecarboxamide
- Permanent Red P-F7RK
- Naphthol Azo Red
- C.I.Pigment red 215
- N-(2-Methoxyphenyl)-3-hydroxy-4-(4-carbamoylphenylazo)-2-naphthamide
- CAS:
- 36968-27-1
- MF:
- C25H20N4O4
- MW:
- 440.45
- EINECS:
- 253-292-9
- Mol File:
- 36968-27-1.mol
Pigment Red 266 Chemical Properties
- Boiling point:
- 656.6±55.0 °C(Predicted)
- Density
- 1.399g/cm3 at 23℃
- vapor pressure
- 0Pa at 25℃
- form
- Solid
- pka
- 11.42±0.70(Predicted)
- LogP
- 1.73 at 23℃ and pH7
- EPA Substance Registry System
- 2-Naphthalenecarboxamide, 4-[[4-(aminocarbonyl)phenyl]azo]-3-hydroxy-N-(2-methoxyphenyl)- (36968-27-1)
Pigment Red 266 Usage And Synthesis
Uses
Pigment Red 266 is a commonly used commercial dye for bulk coloring of plastics and synthetic fibers and for surface coatings such as paints and inks.
Properties and Applications
|
TEST ITEMS |
SPECIFICATION |
|
APPEARANCE |
RED POWDER |
|
SHADE |
BLUISH |
|
HEAT RESISTANCE |
180 °C min |
|
LIGHT FASTNESS |
6-7 |
|
ACID RESISTANCE |
4 |
|
ALKALI RESISTANCE |
5 |
|
FASTNESS TO BLEEDING |
5 |
|
OIL ABSORPTION |
40-50% |
|
SPECIFIC SURFACE |
26m 2 /g |
|
DENSITY |
1.50 g/cm 3 |
|
RESIDUE ON 80 MESH |
5.0% max |
|
WATER SOLUBLE |
1.0% max |
|
VOLATITE 105 °C |
1.0% max |
|
TINTING STRENGTH |
100-105 % |
References
[1] Curry C J, Rendle D F, Rogers A. Pigment analysis in the forensic examination of paints. I. Pigment analysis by x-ray powder diffraction[J]. Journal of the Forensic Science Society, 1982, 22(2): 173-177.
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