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| CAS No.: | 6471-49-4 |
|---|---|
| Name: | Pigment Red 23 |
| Molecular Structure: | |
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| Formula: | C24H17N5O7 |
| Molecular Weight: | 487.43 |
| Synonyms: | 2-Naphthalenecarboxamide,3-hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-N-(3-nitrophenyl)- (9CI);2-Naphthanilide, 3-hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-3'-nitro-(6CI,7CI);C.I. Pigment Red 23 (8CI);1523 Naphthol Red;3040 Red;AlkaliResistant Red Dark;Calcotone Red 3B;Congo Red R 138;Fenalac Red FKB Extra;Irgafin Dark Red T;Irgalite Red RBS;Malta Red X 2284;Naphthol Red B 20-7575;Pigment Red 157;PigmentRed 23;Sanyo Fast Red 10B;Sapona RedLake RL 6280;Segnale Light Rubine RG;Unisperse Red RBS-PI; |
| EINECS: | 229-313-2 |
| Density: | 1.47 g/cm3 |
| Melting Point: | 330-340°C |
| Boiling Point: | 692.8 °C at 760 mmHg |
| Flash Point: | 372.8 °C |
| Solubility: | <0.1 g/100 mL at 22 °C in water |
| Appearance: | red powder |
| PSA: | 174.92000 |
| LogP: | 7.15750 |
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Consensus Reports
Reported in NTP Carcinogenesis Studies (Feed); Equivocal: Rat, No Evidence: Mouse NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No. NTP-TR-411 ,1992. . Reported in EPA TSCA Inventory.
Specification
The Pigment Red 23 , with the CAS register number 6471-49-4, has other names as pigment red 23 ; 3-Hydroxy-4-[(2-methoxy-5-nitrophenyl)azo]-N-(3-nitrophenyl)naphthalene-2-carboxamide ; C.I. 12355 ; NAPTHOL RED BLUE SHADE ; Irgalite Red ; 2-Naphthalenecarboxamide, 3-hydroxy-4-(2-methoxy-5-nitrophenyl)azo-N-(3-nitrophenyl)- ; 2-Naphthalenecarboxamide, 4-5-(aminocarbonyl)-2-methoxyphenylazo-3-hydroxy-N-phenyl- ; CIPIGMENT23 .
The physical properties of this chemcial are as followings: (1)ACD/LogP: 7.30 ; (2)# of Rule of 5 Violations: 2 ; (3)ACD/LogD (pH 5.5): 7.3 ; (4)ACD/LogD (pH 7.4): 7.3 ; (5)ACD/BCF (pH 5.5): 209489.25 ; (6)ACD/BCF (pH 7.4): 209479.13 ; (7)ACD/KOC (pH 5.5): 224110.86 ; (8)ACD/KOC (pH 7.4): 224100.05 ; (9)#H bond acceptors: 12 ; (10)#H bond donors: 2 ; (11)#Freely Rotating Bonds: 8 ; (12)Polar Surface Area: 174.92 ; (13)Index of Refraction: 1.693 ; (14)Molar Refractivity: 126.35 cm3 ; (15)Molar Volume: 329.3 cm3 ; (16)Polarizability: 50.08× 10-24 cm3 ; (17)Surface Tension: 64.9 dyne/cm ; (18)Density: 1.47 g/cm3 ; (19)Flash Point: 372.8 °C ; (20)Enthalpy of Vaporization: 105.15 kJ/mol ; (21)Boiling Point: 692.8 °C at 760 mmHg ; (22)Vapour Pressure: 7.76E-20 mmHg at 25°C .
This is a kind of red powder and is stable in air and it is sensitive to the light. Besides, it is incompatible with strong oxidizing agents. As to its product categories, it belongs to the dyes and Pigments and organics.
This kind of chemical is incompatible with strong oxidizing agents. . Pigment Red 23 is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
Additionally, you could convert the following data information into the molecular structure:
SMILES:COc4ccc(cc4N=Nc2c3ccccc3cc(C(=O)Nc1cccc(c1)N(=O)=O)c2O)N(=O)=O
InChI:InChI=1/C24H17N5O7/c1-36-21-10-9-17(29(34)35)13-20(21)26-27-22-18-8-3-2-5-14(18)11-19(23(22)30)24(31)25-15-6-4-7-16(12-15)28(32)33/h2-13,30H,1H3,(H,25,31)
InChIKey:SOFRHZUTPGJWAM-UHFFFAOYAS