Page Views: 240 Date Added: 09/14/2010 Last Updated: 09/14/2010 Expiry Date: 09/09/2029 Product/Service Details Rhein(98%) Synonyms:4,5-Dihydroxyanthraquinone-2-carboxylic acid; 1,8-Dihydroxy-3-carboxyanthraquinone; 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid; Rhubarb yellow; Cassic acid CAS NO.: 478-43-3 EINECS: 207-521-4 Molecular Formula: C15H8O6 Molecular Weight: 284.22 Molecular Structure: Property: Rhein is Yellow needle crystals. MP: 321～322℃，decomposition point : 330℃. Rhein is insoluble in water, dissolve in basic solution and pyridine，micro-soluble in ethanol, chloroform, ether, petroleum etherand benzene. Specifications: Item Index Description Slightly yellowish crystalline powder Heary metals ≤10ppm Residue on lgnition ≤0.1% Loss on drying ≤0.2% Assay ≥98% Usage: Rhein is used in health food and medicament. Rhein has functinos as antitumor activity, antibacterial activity, immunosuppression, Diuresis, purgative activity, antiinflammatory action. Packing: 20mg/each. Key words: Rhein, 4,5-Dihydroxyanthraquinone-2-carboxylic acid; 1,8-Dihydroxy-3-carboxyanthraquinone; 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid; Rhubarb yellow; Cassic acid

Company Information (CHEMLAND GROUP INC.)

Company Profile: Based on the same business idea, i.e. to offer the maximum support to customers, several plants and companies amalgamated into Chemland Group Inc. in Qingdao 2008 with the expectation to integrate different resources. We have been striving to satisfy the customer needs at maximum from the beginning through the synergy of comprehending to the market, the improvement to the production, the close relationship with other manufacturers and the value-added service. Correspondingly, besides competitive price, high product quality, excellent package and timely shipment, we can also guarantee the quick responsiveness to the request, the efficiency to sourcing the uncommon chemicals and the technical support. Actually you can totally consider us as the one-stop procurement solution.. >> More Website URL: http://www.bridgat.com/u21672