4-(PHENYLAZO)BENZOIC ACID
- CAS NO.：1562-93-2
- Empirical Formula: C13H10N2O2
- Molecular Weight: 226.23
- MDL number: MFCD00020348
- EINECS: 216-347-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:44:43
What is 4-(PHENYLAZO)BENZOIC ACID?
The Uses of 4-(PHENYLAZO)BENZOIC ACID
4-(Phenylazo)benzoic acid may be used in the preparation of a novel photochromic ZrO2 precursor solution.
General Description
4-(Phenylazo)benzoic acid (PABA), an azobenzene derivative, is a photo-isomerisable molecule. It can be synthesized by reacting p-aminobenzoic acid with nitrosobenzene. The interaction of PABA with TiO2 and ZnO electrodes has been investigated. A photoreversible switch has been developed using dimethylamino calix[4]arene and PABA. The post functionalization of poly(hydroxyethyl acrylate) core cross-linked star polymers with PABA induces an ability to complex with α-cyclodextrin.
Properties of 4-(PHENYLAZO)BENZOIC ACID
| Melting point: | 247-250 °C(lit.) |
| Boiling point: | 418.1±28.0 °C(Predicted) |
| Density | 1.19±0.1 g/cm3(Predicted) |
| storage temp. | Store at -20°C |
| form | powder to crystal |
| pka | 3.81±0.10(Predicted) |
| color | Orange to Brown |
| EPA Substance Registry System | Benzoic acid, 4-(phenylazo)- (1562-93-2) |
Safety information for 4-(PHENYLAZO)BENZOIC ACID
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-(PHENYLAZO)BENZOIC ACID
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