4-(PHENYLAZO)BENZOIC ACID
4-(Phenylazo)benzoic Acid
CAS: 1562-93-2
Molecular Formula: C13H10N2O2
4-(PHENYLAZO)BENZOIC ACID - Names and Identifiers
4-(PHENYLAZO)BENZOIC ACID - Physico-chemical Properties
| Molecular Formula | C13H10N2O2 |
| Molar Mass | 226.23 |
| Density | 1.19±0.1 g/cm3(Predicted) |
| Melting Point | 247-250 °C(lit.) |
| Boling Point | 418.1±28.0 °C(Predicted) |
| pKa | 3.81±0.10(Predicted) |
| Storage Condition | Room Temprature |
| MDL | MFCD00020348 |
| Physical and Chemical Properties | EPA Chemical Information Benzoic acid, 4-(phenylazo)- (1562-93-2) |
| Use | Overview Aaromatic azo (AAzo) compounds are key raw materials and are widely used in the synthesis of organic dyes and food additives. Industrial production of AAzo's diazonium salt and diazonium salt coupling electron-rich aromatic compounds requires stoichiometric nitrite to form diazonium salts, resulting in a large amount of inorganic matter. Therefore, it is sustainable and highly selective in the process of AAzo formation with industrial applicability. Efforts have been made to use the catalytic oxidation of azobenzene-4-benzoic acid as an intermediate in pharmaceutical synthesis. If azobenzene-4-benzoic acid is inhaled, please move the patient to fresh air; if the skin is in contact, remove the contaminated clothes, rinse the skin thoroughly with soapy water and clear water, and see a doctor if you feel uncomfortable; if you are in contact with clear eyes, you should separate the eyelids, rinse with flowing water or normal saline, and see a doctor immediately; if you eat, rinse your mouth immediately, prohibit vomiting, and see a doctor immediately. |
4-(PHENYLAZO)BENZOIC ACID - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| HS Code | 29270000 |
4-(PHENYLAZO)BENZOIC ACID - Introduction
4-(Phenylazo)benzoic Acid, also known as 4-(Phenylazo)benzoic Acid, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 4-(Phenylazo)benzoic Acid is orange-yellow to red crystal or powder.
-Solubility: It is almost insoluble in non-polar solvents, but soluble in polar organic solvents (such as alcohols and ketones) and alkaline aqueous solutions.
-Stability: It is stable under light, but may decompose under high temperature, strong acid or strong alkali conditions.
Use:
-Dye: 4-(Phenylazo)benzoic Acid is commonly used as a dye intermediate and can be used in the synthesis of dyes.
-Photosensitive material: Because of its color change characteristics under ultraviolet light, it can also be used for the preparation of photosensitive materials.
-Cosmetics: 4-(Phenylazo)benzoic Acid can be used as an ingredient in certain cosmetic pigments.
Method:
4-(Phenylazo)benzoic Acid is usually synthesized by coupling reaction. The specific preparation method includes the reaction of azoaniline and p-carboxyphenylboronic acid, or the coupling reaction of p-hydroxyaniline and p-nitrobenzoic acid.
Safety Information:
- 4-(Phenylazo) benzic Acid usually does not cause obvious harm to the human body under normal circumstances. However, in case of contact, avoid inhalation, ingestion or contact with eyes and skin.
-If ingested or inhaled, seek medical attention immediately.
-When using or handling 4-(Phenylazo)benzoic Acid, wear appropriate protective measures, such as gloves, mask and goggles, to ensure safety.
Nature:
-Appearance: 4-(Phenylazo)benzoic Acid is orange-yellow to red crystal or powder.
-Solubility: It is almost insoluble in non-polar solvents, but soluble in polar organic solvents (such as alcohols and ketones) and alkaline aqueous solutions.
-Stability: It is stable under light, but may decompose under high temperature, strong acid or strong alkali conditions.
Use:
-Dye: 4-(Phenylazo)benzoic Acid is commonly used as a dye intermediate and can be used in the synthesis of dyes.
-Photosensitive material: Because of its color change characteristics under ultraviolet light, it can also be used for the preparation of photosensitive materials.
-Cosmetics: 4-(Phenylazo)benzoic Acid can be used as an ingredient in certain cosmetic pigments.
Method:
4-(Phenylazo)benzoic Acid is usually synthesized by coupling reaction. The specific preparation method includes the reaction of azoaniline and p-carboxyphenylboronic acid, or the coupling reaction of p-hydroxyaniline and p-nitrobenzoic acid.
Safety Information:
- 4-(Phenylazo) benzic Acid usually does not cause obvious harm to the human body under normal circumstances. However, in case of contact, avoid inhalation, ingestion or contact with eyes and skin.
-If ingested or inhaled, seek medical attention immediately.
-When using or handling 4-(Phenylazo)benzoic Acid, wear appropriate protective measures, such as gloves, mask and goggles, to ensure safety.
Last Update：2024-04-09 21:04:16
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