Q: Which industries commonly use CAS 29420-49-3?
A: CAS 29420-49-3 is commonly used in the chemical industry as a raw material for the production of various chemicals. It is also used in the pharmaceutical industry as an intermediate or starting material for the synthesis of certain drugs.
Q: What is CAS 29420-49-3?
A: CAS 29420-49-3 is a chemical compound with the molecular formula C19H16O4S and the systematic name 2,2'-[(1,4-phenylenebis(methylene)]bis(benzene-1-sulfonic acid). It is a white powder with a molecular weight of 356.4 g/mol.
Q: What are the properties of CAS 29420-49-3?
A: CAS 29420-49-3 is a water-insoluble white powder with a melting point of 279-281 °C. It is slightly soluble in organic solvents such as ethanol and acetone. It is stable under normal conditions and does not react with common acids, bases or oxidizing agents.
Q: How is CAS 29420-49-3 produced?
A: CAS 29420-49-3 can be produced from 1,4-dichlorobenzene and sodium sulfite through a series of reactions including SNAr reaction, oxidative desulfurization, and acidic hydrolysis. Other synthetic routes are also available using different starting materials and methodologies.
Q: What are the uses of CAS 29420-49-3?
A: CAS 29420-49-3 is mainly used as a raw material for the production of various chemicals such as dyes, pigments, optical brighteners, and antioxidants. It is also used in the pharmaceutical industry as an intermediate or starting material for the synthesis of certain drugs. Furthermore, it can be used as a stabilizer and dispersing agent in rubber and polymer materials.
Q: What are the potential hazards of CAS 29420-49-3?
A: CAS 29420-49-3 is not considered to be hazardous under normal handling and use conditions. However, it may cause eye and skin irritation or sensitization if contact occurs. It should be handled in a well-ventilated area and with appropriate personal protective equipment such as goggles and gloves. In case of ingestion or inhalation, seek medical attention immediately.
In summary, CAS 29420-49-3 is a white powder used mainly in the chemical and pharmaceutical industries. It is produced through several synthetic routes and has a variety of uses such as a raw material for various chemicals, a stabilizer and dispersing agent in rubber and polymer materials, and an intermediate for certain drugs. Although it is generally considered safe, appropriate precautions should be taken during handling to avoid contact with skin and eyes.
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