AminobenzoicAcid - Names and Identifiers
AminobenzoicAcid - Physico-chemical Properties
| Molecular Formula | C7H7NO2
|
| Molar Mass | 137.13598 |
AminobenzoicAcid - Introduction
Aminobenzoic acid, also known as P-aminobenzoic acid, is an organic compound with the chemical formula C7H7NO2. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: Aminobenzoic acid is a white crystalline solid.
-Solubility: Soluble in water, alcohol and ether, slightly soluble in petroleum ether.
-Melting point: About 186 to 187 degrees Celsius.
Use:
-Cosmetics: AminobenzoicAcid is commonly used as a sunscreen to absorb ultraviolet rays and protect the skin.
-Drug: Aminobenzoic acid is used as a local anesthetic and topical antipyretic in some pharmaceutical preparations.
-Dyes: AminobenzoicAcid can be used as a synthetic intermediate for dyes, pigments and photosensitive materials.
Method:
There are many preparation methods for AminobenzoicAcid, and the following two are common:
-Ammonolysis reaction of phthalic acid: phthalic acid reacts with ammonia at high temperature to generate Aminobenzoic acid.
-Reduction of p-nitrobenzoic acid: P-nitrobenzoic acid is reacted with a reducing agent (such as sulfoxide) to obtain Aminobenzoic acid.
Safety Information:
- AminobenzoicAcid has low toxicity to human body and environment, and is a relatively safe substance.
-However, continuous contact with AminobenzoicAcid may cause eye and skin irritation, and direct contact should be avoided.
-When using or handling AminobenzoicAcid, appropriate safety measures should be taken, such as wearing protective glasses and gloves, and ensuring a well-ventilated working environment.
Last Update：2024-04-09 02:00:50