2,4,5-TRIMETHYLBENZENSULFONIC ACID - Names and Identifiers
Name | 2,4,5-Trimethylbenzenesulfonic acid
|
Synonyms | NSC 163978 pseudocumene-5-sulfonicacid PSEUDOCUMENE-5-SULFONIC ACID 2,4,5-TRIMETHYLBENZENSULFONIC ACID 2,4,5-Trimethylbenzenesulfonic acid 2,4,5-TRIMETHYLBENZENESULFONIC ACID Benzenesulfonic acid, 2,4,5-triMethyl- 1,2,4-Trimethyl-5-benzenesulfonic acid
|
CAS | 3453-84-7
|
EINECS | 200-258-5 |
2,4,5-TRIMETHYLBENZENSULFONIC ACID - Physico-chemical Properties
Molecular Formula | C9H12O3S
|
Molar Mass | 200.25 |
Density | 1.243 |
Melting Point | 110.5-112℃ |
Storage Condition | 2-8°C |
MDL | MFCD00024913 |
2,4,5-TRIMETHYLBENZENSULFONIC ACID - Risk and Safety
Hazard Symbols | C - Corrosive
|
Risk Codes | 34 - Causes burns
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27 - Take off immediately all contaminated clothing.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
|
2,4,5-TRIMETHYLBENZENSULFONIC ACID - Introduction
2,4, acid is an organic compound with the chemical formula C10H13SO3.
Nature:
-Appearance: 2,4, acid is white crystalline powder.
-Melting point: Its melting point is about 116-118 degrees Celsius.
-Solubility: 2,4, acid can be dissolved in alcohol and ether solvents, but the solubility in water is low.
-Stability: It is relatively stable at room temperature.
Use:
2,4, acid is commonly used as an acid catalyst in organic synthesis to promote esterification, addition reactions, and cyclization reactions. It can also be used to prepare chemicals such as dyes, fluorescent dyes, coatings and pharmaceutical intermediates.
Preparation Method:
2,4, acid is mainly prepared by the alkylation of benzene sulfonic acid with methyl. The specific preparation method is to react benzene sulfonic acid with excess methyl alkylating agent (such as methanol, methyl bromide, etc.) under appropriate conditions.
Safety Information:
2,4, acid is currently considered to be less toxic. However, as a chemical, ingestion or exposure to excess may cause irritation or allergic reactions. When using, you should pay attention to protective measures, avoid contact with skin and eyes, and keep away from open flames and heat sources. In case of accidental contact, rinse immediately with plenty of water. If any uncomfortable symptoms appear, seek medical attention immediately. During storage, it should be placed in a dry, dark and well-ventilated place, away from fire and oxidizing agents.
Last Update:2024-04-09 20:45:29