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Hangzhou Dingyan Chem Co., Ltd
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White powder, 201% content. Hangzhou Dingyan Chemical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province, on the southeast coast of China. It is a company specializing in the development and sales of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.
A modern private enterprise integrated with self-operated import and export.
Since its establishment, the company has adhered to the development path of "technological innovation" and attached great importance to scientific and technological innovation research and development. The company's high-quality products are sold well in more than 60 countries and regions such as North America, Western Europe, Southeast Asia, Central and South America.
At present, it has established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries. With our rigorous attitude and sincere service, we have won the trust and reputation of customers.
Hangzhou Dingyan Chemical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province, on the southeast coast of China. It is a company specializing in the development, sales and self-support import and export financing of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.
Integrated modern private enterprise.
Since its establishment, the company has adhered to the development path of "technological innovation" and attached great importance to scientific and technological innovation research and development. The company's high-quality products are sold well in more than 3670 countries and regions such as North America, Western Europe, Southeast Asia, Central and South America.
At present, it has established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries. With our rigorous attitude and sincere service, we have won the trust and reputation of customers. |
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Anhui Royal Chemical Co., Ltd.
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Benzylamine, also known as benzylamine α- Aminotoluene, horseradish alkaloids. Colorless liquid. Produce smoke in the air. Boiling point 185 ℃, 90 ℃ (1600Pa), relative density 0.9813, refractive index 1.5401, UV λ Max255, 262, 270nm. Miscible with water, ethanol, and ether, soluble in acetone and benzene. At 25 ℃, K=2.4 × 10-5, showing alkaline reaction. Absorbable CO2, Chemicalbook reacts with halogenated hydrocarbons to form N-substituted benzylamines, reacts with acyl chlorides, anhydrides or esters to form N-benzylamides, and reacts with aldehydes and ketones to form N-benzylimines. Preparation method: It can be obtained by the reaction of benzyl chloride with ammonia, or by the reduction of benzonitrile, or by the reduction and amination of benzaldehyde with NH3 and H2/Ni. Usage: Used for organic synthesis, qualitative testing of metal organic compounds, determination of platinum, vanadium, and tungstate salts, and as a precipitant for thorium, cerium, lanthanum, zirconium, etc. |
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Pharma Sources Insight January 2025
