P-phenylenediamine disulfonic acid ppddsa - Names and Identifiers
P-phenylenediamine disulfonic acid ppddsa - Physico-chemical Properties
| Use | Benzene dye intermediate |
P-phenylenediamine disulfonic acid ppddsa - Introduction
p-Phenylenediamine disulfonic acid (PPDDSA) is an organic compound with the chemical formula C6H4(NH2)(SO3H)2. It is a white or slightly yellow needle-like crystalline solid at room temperature and is soluble in water and acidic solutions.
PPDDSA is widely used in the synthesis of dyes, colorants and pigments, as well as in the electronics field. Due to its good catalytic performance in redox reactions, it is also used as a chemical battery and anode material.
There are two main methods of preparing PPDDSA. One is obtained by reacting p-phenylenediamine with sodium bisulfite under acidic conditions, and the reaction conditions are generally carried out at room temperature. Another method is obtained by reacting p-phenylenediamine with sulfurous acid in a sulfuric acid solution at a temperature higher than 100°C.
With regard to safety information, proper handling and handling of any chemical is very important. PPDDSA may be irritating to the eyes and skin, so wear protective glasses and gloves when using it. Avoid inhalation of dust or contact with skin. If inhaled or ingested, seek medical help immediately.
In addition, PPDDSA should be stored in a dry, cool, well-ventilated place, away from fire and oxidizing agents. During storage and handling, please observe the relevant chemical safety procedures and ensure that it is kept away from children and pets.
Last Update：2024-04-10 22:29:15