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Country: China (Mainland)
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Tel: 86 571-88092529
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Tel: 86 571-88092529
Fax: 86 571-87334908
URL: http://www.lingruichem.com
Province/state: Zhejiang
City: Hangzhou
Street: 201-B 2# Building Qinglan science park, 321# JinPeng Str. Xihu District Hangzhou City, PR.CHINA
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CAS NO.82-35-9
Wholesaler 82-35-9 low price 1,5-dinitroanthraquinone manufacturer
1.5-nitroanthraquinone is soluble in hot nitrobenzene, slightly soluble in hot xylene, slightly soluble in acetic acid, very slightly soluble in ethanol, ether, benzene. The solution was blue-red in concentrated sulfuric acid. Can sublimate. The Crystal in benzene is light yellow needle Crystal, melting point 384~385 ℃. 1,8--nitroanthraquinone in acetic anhydride in the crystallization of yellow prisms, melting point of 311~312 deg C. Slightly soluble in common organic solvents.
is obtained by nitration of anthraquinone. The anthraquinone, nitric acid and fuming sulfuric acid were stirred together at a temperature of about 30 °c, and the temperature was adjusted to 78 °c when the end of the reaction was reached. The reactant is cooled, diluted, filtered, and refined with sodium sulfite to obtain a finished product. Industrial use of 1, 5-dinitroanthraquinone intermediates for the yellow wet product, dry content of not less than 92%. Raw material consumption quota: anthraquinone 965kg/t, nitric acid 4800kg/t, fuming sulfuric acid (20% SO3)2400kg/t.
Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals tovarious industries.n our R&D centre. we have a staff of skilled and experienced research chemists. This has enabled us to meet the special reauirements of our customers and it has enabled us to provide quality products at competitive prices.
1. How can we guarantee quality
Always a pre-production sample before mass production;
Always final Inspection before shipment;
2.What can you buy from us
Plant Extracts,Cosmetics Raw Materials,Vitamin Raw Materials,Pharmaceutical Raw Materials and Intermediates
3. Why should you buy from us not from other suppliers
Our company mainly devoted in producing pharmacetical intermediates , Vitamins , and health supplement , the quality and technical content can reach the advance level in China .Our products are sold well in China as well as in more than 20 countries.
Lingrui's credo is committed to your reliable business partner,reliable quality, competitive prices and superior service, lf you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future !