Hangzhou Dingyan Chem Co., Ltd
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CAS no. : 5144-89-8
Molecular formula: C12H8N2.H2O
Molecular weight: 198.22
Molecular structure:
1, 10 phenanthroline
Dangerous goods mark :TN description
Risk terms: R25; R50/53; instructions
Security terms: S45; S60; S61
Main application: to generate orange complex complex between o-phenanthroline and ferrous ion at PH4~5, and then to determine iron content by spectrophotometry.
Physical and chemical properties: hydrate is a white crystalline powder. Melting point is 93-94℃, the melting point of anhydrous substances is 117℃, soluble in 300 parts water, 70 parts benzene, soluble in alcohol and acetone.
It can form complexes with various transition metals. The complexes formed are chelates, so they are relatively stable. The complexes and derivatives formed with copper have certain cutting activity on DNA and can be used as non-oxidizing nucleic acid cutting enzyme, which has certain anticancer activity. Properties: when recrystallized with water, it contains one molecule of crystal water. 91.5 ℃ melting point (102 ℃). When using benzene recrystallization, does not contain water of crystallization, melting point 98 ~ 100℃(117℃). Boiling point above 360℃. Soluble in ethanol, benzene, acetone, insoluble in petroleum ether. It forms complexes with iron, copper, cobalt, nickel and 2,2 '-dipyridines, and forms red complexes with Fe2+. 2,2' -dipyridinyl -3,3 '-dicarboxylic acid by potassium permanganate oxidation. It can be used as a quantitative colorimetric reagent for copper and iron and as an indicator for titration of iron salt with cerium sulfate. It can also be used as dyes for animal fibers.
In the solution of pH = 2 ~ 9, adjacent to the two nitrogen fe and 2 ferrous ion valence (Fe2 +) chromogenic reaction, high selectivity of the reaction, and the generated orange-red complex is very stable, lgK = 21.3 (20 ℃), its solution at 510 nm (visible light) have the largest absorption peak, using the color reaction, can use the visible spectrophotometric method of determination of trace iron.
Although the appropriate pH value range of the chromogenic reaction is wide (pH=2~9), the determination is usually conducted in hoac-naoac buffer medium with pH=5.
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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 1407 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. |
Send Inquiry
|
Hangzhou Dingyan Chem Co., Ltd
|
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 1524 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. |
Send Inquiry
|