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| Name |
Pigment Red 21 |
EINECS | 229-096-4 |
| CAS No. | 6410-26-0 | Density | 1.31 g/cm3 |
| PSA | 74.05000 | LogP | 6.93950 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C23H16ClN3O2 | Boiling Point | 566.1 °C at 760 mmHg |
| Molecular Weight | 401.852 | Flash Point | 296.2 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
2-Naphthalenecarboxamide,4-[(2-chlorophenyl)azo]-3-hydroxy-N-phenyl- (9CI);2-Naphthanilide,4-(o-chlorophenylazo)-3-hydroxy- (6CI);C.I. Pigment Red 21 (8CI);C.I. 12300;Permanent Red FR;Sanyo Fast Red CR;Scarlet 3132;Syton Fast Red FR; |
Pigment Red 21 Chemical Properties
Molecule structure of 2-Naphthalenecarboxamide, 4-(2-(2-chlorophenyl)diazenyl)-3-hydroxy-N-phenyl- (CAS NO.6410-26-0):
Molecular Weight: 401.845 g/mol
Molecular Formula: C23H16ClN3O2
Density: 1.28 g/cm3
Boiling Point: 602.2 °C at 760 mmHg
Flash Point: 318 °C
Index of Refraction: 1.654
Molar Refractivity: 114.71 cm3
Molar Volume: 312.6 cm3
Polarizability: 45.47×10-24 cm3
Surface Tension: 51.3 dyne/cm
Enthalpy of Vaporization: 89.6 kJ/mol
Vapour Pressure: 1.85E-14 mmHg at 25 °C
InChI: InChI=1/C23H16ClN3O2/c24-18-8-4-5-9-20(18)27-22(15-21(28)17-10-12-25-13-11-17)26-19(14-23(27)29)16-6-2-1-3-7-16/h1-14H,15H2
InChIKey: CLGJXLSCCHMVDF-UHFFFAOYAL
Pigment Red 21 Uses
2-Naphthalenecarboxamide, 4-(2-(2-chlorophenyl)diazenyl)-3-hydroxy-N-phenyl- (CAS NO.6410-26-0) is mainly used in soap products coloring and also be used as colorants of paint, ink, etc.
Pigment Red 21 Specification
2-Naphthalenecarboxamide, 4-(2-(2-chlorophenyl)diazenyl)-3-hydroxy-N-phenyl- (CAS NO.6410-26-0) is also named as 2-Naphthalenecarboxamide, 4-((2-chlorophenyl)azo)-3-hydroxy-N-phenyl- ; 4-((2-Chlorophenyl)azo)-3-hydroxy-N-phenylnaphthalene-2-carboxamide . 2-Naphthalenecarboxamide, 4-(2-(2-chlorophenyl)diazenyl)-3-hydroxy-N-phenyl- (CAS NO.6410-26-0) is bright yellow red with good light-performance.
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