2-{(E)-[4-(Dipropylamino)phenyl]diazenyl}benzoic acid
2-(4-dipropylaminophenylazo)benzoic acid
CAS: 2641-01-2
Molecular Formula: C19H23N3O2
2-{(E)-[4-(Dipropylamino)phenyl]diazenyl}benzoic acid - Names and Identifiers
| Name | 2-(4-dipropylaminophenylazo)benzoic acid |
| Synonyms | 2641-01-2 Propyl Red PROPYL RED TIMTEC-BB SBB008636 2-(4-dipropylaminophenylazo)benzoic acid 2-(4-Dipropylaminophenylazo)benzoic acid 2-(4-DIPROPYLAMINOPHENYLAZO)BENZOIC ACID p-Dipropylaminoazobenzene-O-carboxylicacid 4-(2-CARBOXYPHENYLAZO)-N,N-DIPROPYLANILINE 2-[[4-(dipropylamino)phenyl]azo]-benzoicaci 2-{(E)-[4-(dipropylamino)phenyl]diazenyl}benzoate 2-{(E)-[4-(Dipropylamino)phenyl]diazenyl}benzoic acid 2-[4-(Dipropylamino)phenylazo]benzoic acid, 4-(Dipropylamino)azobenzene-2μ-carboxylic acid |
| CAS | 2641-01-2 |
| EINECS | 220-140-8 |
| InChI | InChI=1/C19H23N3O2/c1-3-13-22(14-4-2)16-11-9-15(10-12-16)20-21-18-8-6-5-7-17(18)19(23)24/h5-12H,3-4,13-14H2,1-2H3,(H,23,24)/p-1/b21-20+ |
2-{(E)-[4-(Dipropylamino)phenyl]diazenyl}benzoic acid - Physico-chemical Properties
| Molecular Formula | C19H23N3O2 |
| Molar Mass | 325.4 |
| Density | 1.1611 (rough estimate) |
| Melting Point | 173-175 °C |
| Boling Point | 463.59°C (rough estimate) |
| Flash Point | 265.7°C |
| Solubility | Solubility Insoluble in water; soluble in ethanol, methanol |
| Vapor Presure | 1.83E-11mmHg at 25°C |
| Appearance | Solid |
| Color | Yellow-orange |
| pKa | 5.48(at 25℃) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.5900 (estimate) |
2-{(E)-[4-(Dipropylamino)phenyl]diazenyl}benzoic acid - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R44 - Risk of explosion if heated under confinement R40 - Limited evidence of a carcinogenic effect R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S22 - Do not breathe dust. |
| HS Code | 29270000 |
2-{(E)-[4-(Dipropylamino)phenyl]diazenyl}benzoic acid - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-10 22:29:15
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