3-5-DimethylbenzoicAcid (CAS#499-06-9 )
Hazard Symbols | Xi – Irritant |
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. |
WGK Germany | 3 |
RTECS | DG8734030 |
TSCA | Yes |
HS Code | 29163900 |
Hazard Note | Irritant |
Introduction
3,5-Dimethylbenzoic acid. The following is an introduction to its nature, use, preparation method and safety information:
Quality:
- Appearance: Colorless crystalline solid;
- Less soluble in water and more soluble in organic solvents such as ethers and alcohols;
- Has an aromatic odor.
Use:
- 3,5-Dimethylbenzoic acid is an important intermediate in organic synthesis and is often used in the synthesis of other organic compounds;
- It can be used as a raw material for polyester resins and coatings, plastics and rubber additives;
Method:
- The preparation method of 3,5-dimethylbenzoic acid can be obtained by the reaction of benzaldehyde with dimethyl sulfide;
- Reactions are usually carried out under acidic conditions, and acidic catalysts such as hydrochloric acid can be used;
- After the reaction, the pure product is obtained by crystallization or extraction.
Safety Information:
- The compound needs to be used in accordance with appropriate laboratory protocols;
- It may cause irritation to the eyes, skin, and respiratory system;
- Wear personal protective equipment, such as lab gloves and goggles, and ensure good ventilation when in use;
- Avoid contact with strong oxidizing agents and strong acids;
- Store dry, tightly sealed, and avoid contact with air, moisture, and fire.
When using 3,5-dimethylbenzoic acid or any other chemical, it is important to follow proper chemical handling and safe practices.