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| CAS No.: | 12222-69-4 |
|---|---|
| Name: | Disperse Black 9 |
| Molecular Structure: | |
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| Formula: | C16H20N4O2 |
| Molecular Weight: | 300.36 |
| Synonyms: | 2,2'-((4-((4-Aminophenyl)azo)phenyl)imino)bis(ethanol);2,2'-((4-((4-Aminophenyl)azo)phenyl)imino)bis(ethanol);2,2'-((4-((4-Aminophenyl)azo)phenyl)imino)bisethanol;Ethanol, 2,2'-((4-((4-aminophenyl)azo)phenyl)imino)bis-;Ethanol, 2,2'-((4-(2-(4-aminophenyl)diazenyl)phenyl)imino)bis-; |
| EINECS: | 243-987-5 |
| Density: | 1.22g/cm3 |
| Melting Point: | 157-160 oC |
| Boiling Point: | 569.2ºC at 760 mmHg |
| Flash Point: | 298.1ºC |
| Appearance: | Brown-black powder |
| Hazard Symbols: |
 Xi
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| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 94.44000 |
| LogP: | 3.05640 |
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Specification
The Disperse Black 9 with the cas number 12222-69-4. It is also called 2-[4-[(4-aminophenyl)diazenyl]-N-(2-hydroxyethyl)anilino]ethanol, which is also it's IUPAC name, and it's system Name are (1)2,2'-((4-((4-Aminophenyl)azo)phenyl)imino)bisethanol ; (2)Ethanol, 2,2'-((4-((4-aminophenyl)azo)phenyl)imino)bis- ; (3)Ethanol, 2,2'-((4-(2-(4-aminophenyl)diazenyl)phenyl)imino)bis-. It is brown-black powder. Disperse Black 9 is a monoazo dye used in hair dyes at a concentration not exceeding 0.4%.
Physical properties about this chemical are: (1)H bond acceptors: 6 ; (2)H bond donors: 4 ; (3)Freely Rotating Bonds: 10 ; (4)Polar Surface Area: 49.66 Å2 ; (5)Index of Refraction: 1.61 ; (6)Molar Refractivity: 84.86 cm3 ; (7)Molar Volume: 244.7 cm3; (8)Surface Tension: 51.2 dyne/cm ; (9)Density: 1.22 g/cm3 ; (10)Flash Point: 298.1 °C ; (11)Enthalpy of Vaporization: 89.85 kJ/mol ; (12)Boiling Point: 569.2 °C at 760 mmHg ; (13)Vapour Pressure: 8.51E-14 mmHg at 25°C
When you are using Disperse Black 9, please be cautious about it as the following: Studies shows that Disperse Black 9 was slightly toxic when administered orally and practically nontoxic when administered intraperitoneally. The dye was nonirritating to rabbit eyes at a concentration of 100% and was nonirritating to both the intact and abraded skin of rabbits at concentrations up to 0.38%. Disperse Black 9 at 25% did not produce either irritation or sensitization in guinea pigs. Disperse Black 9 was toxic at 1% but not at 0.1 %, showed in subchronic oral studies. There were no signs of local or systemic toxicity at concentrations up to 0.24% in formulations. In chronic studies, dye containing 0.13% Disperse Black 9 was nontoxic to dogs. A hair dye formulation containing 0.5% Disperse Black 9 produced no significant toxicological effects when applied dermally to mice for 20 months. Disperse Black 9 (0.13% in a dye composite) produced neither teratogenic nor reproductive effects in rats or rabbits. Disperse Black 9 was nonmutagenic in four different assay systems. Disperse Black 9, 0.5% in a hair dye, was not carcinogenic when dermally applied to mice. A 3% suspension of the dye produced no irritation or sensitization in human subjects. On the basis of the available data, it is concluded that Disperse Black 9 is safe for use as a cosmeticingredient.
You can still convert the following datas into molecular structure :
(1).Smiles: OCCN(c1ccc(\N=N\c2ccc(N)cc2)cc1)CCO
(2).InChI=1/C16H20N4O2/c17-13-1-3-14(4-2-13)18-19-15-5-7-16(8-6-15)20(9-11-21)10-12-22/h1-8,21-22H,9-12,171H21/b19-18+