3,5-Dimethyl-4-nitrobenzoic acid(CAS#3095-38-3)
Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. |
Introduction
4-Nitro-3,5-dimethylbenzoic acid is an organic compound. The following is an introduction to its properties, uses, manufacturing methods and safety information:
Quality:
- 4-Nitro-3,5-dimethylbenzoic acid is a colorless crystalline solid with an aromatic flavor.
- It is stable at room temperature, but explosions may occur at high temperatures, in light, or when exposed to ignition sources.
- It is almost insoluble in water, but soluble in organic solvents such as ethanol, ethers, and chlorinated hydrocarbons.
Use:
- 4-nitro-3,5-dimethylbenzoic acid is mainly used as an intermediate of dyes and a raw material for the synthesis of pigments.
Method:
- 4-Nitro-3,5-dimethylbenzoic acid can be obtained by nitrification of p-toluene. Nitrification reactions generally use a mixture of nitric acid and sulfuric acid as a nitrifying agent.
- The specific preparation method is generally: toluene is mixed with nitric acid and sulfuric acid, heated for reaction, and then crystallized and purified.
Safety Information:
- 4-Nitro-3,5-dimethylbenzoic acid is irritating and corrosive and should be avoided in contact with skin and eyes.
- When handling this compound, wear protective gloves, respirators, and protective glasses to avoid inhaling gases or coming into contact with the skin.
- When storing and handling, avoid contact with oxidants, ignition sources and flammable materials to avoid fire or explosion.
- In case of accidental ingestion or inhalation, seek medical attention immediately and present the product safety data sheet to your doctor.