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| Bestgain Science and Technology co.ltd | ||||||
| About this company : We, Tianjin Bestgain Science and Technology co. ltd, is the professional manufacturer and exporter of DSD Acid in Tianjin, China. | ||||||
| Contact : June Wong | ||||||
| Headquarters : Untied Building, Youyibei Road, Tianjin, 300204, China | ||||||
| Phone : 86-22-83280517, Fax : 86-22-83280392 | ||||||
| Email : Log on to trade instantly | ||||||
 | 4,4'-Diaminostilbene-2,2'-disulfonic acid DSD Acid 1. Chemical name:4,4'-Diaminostilbene-2,2'-disulfonic acid 2modity name: DSD Acid 4. Molecular Formula:C14H14N206S2 5. Molecular Weight:370.4 6. Physical and chemical properties: （1）Light yellow paste or powder, soluble in alcohol and ether ;insoluble in water, easily dissolved in alkaline solution. （2）Easily oxidated to red in air, it has properties of aromatic acid and amine. | |||||
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