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Country: China (Mainland)
Business Type:Other
Tel: 86 571-88092529
Mobile: 18958069012
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.1330-38-7
Competitive price 1330-38-7 best quality Direct Blue 86 in china
Chemical properties dark blue powder. Good water solubility, its aqueous solution is lake blue. It is yellow-green in concentrated sulfuric acid, and turns green and blue after dilution, and there is blue-green precipitation; only partially dissolved in concentrated nitric acid is light yellow-green; it is insoluble in concentrated alkali; it is soluble in concentrated ammonia and is lake blue. Slightly sensitive to hard water.
1. Use copper phthalocyanine as raw material, sulfonate it with fuming sulfuric acid, and then neutralize it with diphenylguanidine to obtain the product. The finished product is filtered and dried.
2. Using copper phthalocyanine blue as raw material, sulfonate and neutralize with fuming sulfuric acid to obtain the product. The finished product is salted out, filtered, dried and crushed..
150g of fuming sulfuric acid with a concentration of 104.5% was added to the reaction bottle, the temperature was raised to 50 ℃ and maintained, 25g of copper phthalocyanine was slowly added under stirring, stirring was continued for 2h after adding, and then the temperature was raised to 65 ℃ for 10h to the end of sulfonation reaction. Cooling to below 40 ℃, pour the material into the ice water and settle, pour out the upper layer of clear water, filter the slurry, beat the filter cake with water, and add sodium carbonate aqueous solution until the pH value reaches 7-7.2 as the end point. Then dry and grind the finished product.
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 !