Malononitrile, also known as MDN with CAS number **109-77-3**, is a versatile nitrile essential in pharmaceuticals and organic synthesis. It has a molecular formula of C3H2N2, and a molar mass of **66.06 g/mol**. Appearing as a white to yellow-brown crystalline substance, it has a melting point of **30-32°C** and a boiling point of **220°C**. Malononitrile is crucial for synthesizing the diuretic drug triamterene, sulfonylurea herbicides like bensulfuron-methyl, and pyrimidine derivatives. It's also key in producing vitamin B1 and methotrexate. Due to its toxicity and potential to cause central nervous system poisoning, it must be handled with care, stored properly at **2-8°C**, and kept away from incompatible substances. Its significant role in creating life-enhancing drugs and herbicides makes it a valuable chemical in medicine and agriculture.
8-Hydroxyquinoline sulfate, also known as Oxine sulfate, is a versatile compound with the CAS number **134-31-6**. It has a molecular formula of 2C9H7NO.H2O4S and a molar mass of **388.4 g/mol**. This yellow-crystalline substance is valued for its metal chelating abilities and serves as a fungicide, sterilizer, and preservative. With a melting point of **175°C** and a boiling point of **569.4°C**, it's used in agriculture to protect forestry products, in medicine as an antiseptic, in the chemical industry for synthesis, and as a preservative in cosmetics. Its role in chelating metals and antibacterial properties make it essential for enhancing industrial processes and ensuring product safety.
2-(4-Chlorobenzoyl)benzoic acid (CBB), with CAS number **85-56-3**, is a key intermediate in pharmaceutical and dye synthesis. It has a molecular formula of C14H9ClO3, and a molar mass of **260.67 g/mol**. CBB crystallizes with a melting point of **149-150°C** and a predicted boiling point of **470.8°C**. Appearing as white to off-white crystals, it should be stored in a sealed container at room temperature and handled with care due to its irritant nature. CBB is instrumental in synthesizing chlorthalidone, a hypertension medication, and serves as a precursor for 2-chloroanthraquinone, used in anthraquinone dyes. Its role in creating complex molecules is vital for advancements in medicinal and dye chemistry, with safety protocols essential for its effective use in industrial processes.
2-Bromopropionic acid, with the CAS number 598-72-1, is a chemical intermediary crucial for the production of herbicides and pharmaceuticals. It has a molecular formula of C3H5BrO2 and a molar mass of 152.97 g/mol. This compound transitions from a solid to a clear colorless or yellow liquid, with a melting point of 25.7°C and a boiling point of 203°C. In synthesis processes, 2-bromopropionic acid is used to create herbicides like quizaloxazole and fungicides such as metalaxyl. It also aids in producing pharmaceutical intermediates and synthetic amino acids, exemplifying its versatility. For safe usage, it should be stored at room temperature, away from oxidants and food materials, to prevent reactions or contamination. 2-Bromopropionic acid’s role in synthesizing complex molecules is vital for advancing chemical industries, highlighting its importance in innovation and sector progress.
2-Chloromandelic acid, known as o-chloromandelic acid, is a key pharmaceutical intermediate with the chemical formula C8H7ClO3 and a molar mass of 186.59 g/mol. It appears as white to yellowish crystals with a melting point of 90-93°C and a boiling point of 266.91°C. This compound is essential in the synthesis of clopidogrel, a drug preventing blood clots, and is used in organic chemistry to introduce the 2-chlorophenyl group into molecules. Handling 2-chloromandelic acid requires caution due to its corrosive nature, necessitating protective gear to prevent irritation and strict waste disposal to avoid environmental harm. Its role in drug production, especially clopidogrel, underscores its significance in the pharmaceutical industry, balancing its utility with safety considerations for responsible use.
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