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| CAS No.: | 6410-29-3 |
|---|---|
| Name: | Pigment Red 32 |
| Molecular Structure: | |
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| Formula: | C31H24N4O4 |
| Molecular Weight: | 516.55 |
| Synonyms: | 2-Naphthalenecarboxamide,3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]-N-phenyl- (9CI);C.I. Pigment Red 32 (8CI);C.I. 12320;Naftol Red Dark;Pigment Red 32;PolymoRed FR;Vulcan Fast Rubine B;2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methoxy-5-((phenylamino)carbonyl)phenyl)azo)-N-phenyl-;4-((5-(Anilino)carbonyl-2-methoxyphenyl)azo)-3-hydroxy-N-phenylnaphthalene-2-carboxamide; |
| EINECS: | 229-099-0 |
| Density: | 1.277 g/cm3 |
| PSA: | 112.38000 |
| LogP: | 7.62000 |
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- 914458-26-7[5-(2-fluorophenyl)-1-pentyl-1H-pyrrol-3-yl]-1-naphthalenyl-Methanone
- 894852-01-87-BROMO-2,2-DIMETHYL-2H-PYRIDO[3,2-B][1,4]OXAZIN-3(4H)-ONE
- Total:27 Page 1 of 1 1
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Specification
The CAS registry number of Pigment Red 32 is 6410-29-3. The IUPAC name is (4Z)-4-{2-[2-methoxy-5-(phenylcarbamoyl)phenyl]hydrazinylidene}-3-oxo-N-phenyl-3,4-dihydronaphthalene-2-carboxamide. Its EINECS registry number is 229-099-0. In addition, the molecular formula is C31H24N4O4 and the molecular weight is 516.55. It is a red powder with blue light. What's more, it can be used in dyeing rubber and plastic.
Physical properties about this chemical are: (1)ACD/LogP: 4.51; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6; (4)ACD/LogD (pH 7.4): 6; (5)ACD/BCF (pH 5.5): 10458; (6)ACD/BCF (pH 7.4): 10258; (7)ACD/KOC (pH 5.5): 26222; (8)ACD/KOC (pH 7.4): 25721; (9)#H bond acceptors: 8; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 108.89 Å2; (13)Index of Refraction: 1.656; (14)Molar Refractivity: 148.651 cm3; (15)Molar Volume: 404.593 cm3; (16)Polarizability: 58.93 ×10-24cm3; (17)Surface Tension: 51.717 dyne/cm; (18)Density: 1.277 g/cm3.
Preparation of Pigment Red 32: it can be prepared by 2-methoxy-5-benzoylaniline. The 2-methoxy-5-benzoylaniline can be prepared by 2-methoxy-5-methanoic acidnitrobenzene and aniline. This reaction will need reagent chlorinated alkali. The reaction time is 8 hours at reaction temperature of 107～110 °C. The yield is about 93%.
You can still convert the following datas into molecular structure:
(1)SMILES: O=C(Nc1ccccc1)c2cc(c(OC)cc2)N/N=C4/c5ccccc5/C=C(/C(=O)Nc3ccccc3)C4=O
(2)InChI: InChI=1/C31H24N4O4/c1-39-27-17-16-21(30(37)32-22-11-4-2-5-12-22)19-26(27)34-35-28-24-15-9-8-10-20(24)18-25(29(28)36)31(38)33-23-13-6-3-7-14-23/h2-19,34H,1H3,(H,32,37)(H,33,38)/b35-28-
(3)InChIKey: ZYMGGDVEEHLLDZ-NUDFZHEQBX