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Hangzhou Dingyan Chem Co., Ltd
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EINECS melting point >300 °C water soluble 500 g/L (20 °C) density 1.01 g/mL (20 °C) colorless and odorless crystal flash point >250 °C should be organic synthesis of esterifier, medicine, printing and dyeing mordant, buffer, chemical reagent
USES: used as organic synthesis esterification agent, photographic medicine, medicine, printing and dyeing mordant, buffering agent, chemical reagents, meat preservative, pigment, tanning and many other aspects. It can be used to make various chemical products, such as furan acrylic acid, acetate and chloroacetic acid. As a buffer for seasoning, this product can alleviate bad smell and prevent discoloration, and has a certain mildewproof effect. It can also be used as sour agent for sauces, pickles, mayonnaise, fish cakes, sausages, bread, sticky cakes, etc. Mixed with methyl cellulose, phosphate, etc., to improve the preservation of sausage, bread, sticky cake, etc.
It can be used as common analytical reagent, mordant, buffer, dye synthesis and film development. Used in medicine, printing and dyeing and organic synthesis as mordant and buffer, also used in dye and pharmaceutical industry for printing and dyeing, medicine, photography, also used as esterification agent, preservative.
Production method: from calcium acetate and soda ash for double decomposition reaction, into sodium acetate, concentrate the reaction solution to 26°Be, add activated carbon decolorization, then cooling crystallization, centrifugal separation to obtain the finished product. When the need to obtain anhydrous sodium acetate, the crystallization of sodium acetate then remelted, vacuum filtration, the mother liquor crystallization in the stainless steel tank cooling, and then centrifugation, filtration, shake dry, electric heating method to dehydrate the crystal, dry, that is, anhydrous product. Acetic acid can also be directly reacted with caustic soda to form sodium acetate.
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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 3014 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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Pharma Sources Insight January 2025
