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Nanjing Rising Chemical Industry Co., Ltd., established in 1995, is a chemical entity integrating the research, development, production and operation of products of basic and fine chemical series. The headquarters of the company is located in Nanjing, China and with branches in HongKong and Suzhou. In the past 10 years, we have established a research and development center and three production bases. Bases on the techniques of production in special fields of chemical Industry, we always apply ourselves to steady and improve quality and provide professional services to our customers.

Now we have set up a stable and credible system of quality assurance and good reputation. We have also built tight cooperation relationships with many well-known international enterprises. At present, we have already passed the ISO9000 Quality Certification, got the self-support right of import & export and the license for producing and operating dangerous chemicals.

The company imports large quantities of chemically raw materials from Germany, USA, Japan and Korea etc. And exports 70% products to overseas countries. Today the company has already become the public chemicals importer with high popularity and the professional researcher and manufacturer of fine chemicals, such as organic peroxide, flame retardant and medicament intermediate.

Pharmaceutical Intermediate
2,3- Dibromo-2-butene-1,4-diol CAS No.: 3234-02-4 Structure Formula: HOCH 2 CBrCBrCH 2 OH
Quality Standard:
ItemIndex
AppearanceWhite crystal or powder
Content(%)≥98.5
Melting Range(°C)112-115
Ignition Residue(%)≤0.02
Acidity (%)≤0.5
Loss on Drying (65 ° C)%≤0.1
   
Properties: White crystal or powder, freely soluble in ethanol, slightly soluble in dichloroethane,Dichloroethane, to be hermetically stored in dry places.
Application: In organic synthesis and as pharmaceutical intermediate.
Packing: 25 kg Cardboard Pail
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