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Shijiazhuang liangtai chemicals lmport and export Co., Ltd.
Product Description: nature: purple-brown powder. Micro dissolve in water, soluble in sodium sulfide solution was reddish brown to brown. Case of concentrated sulfuric acid was bathed in purple, brown diluted generate precipitation. 2,4-diaminotoluene and two pairs of amino-phenol condensati...
Supplier: Export Co.,Ltd
www.sjzlthg.com/products_show.asp?cid=8&id=73
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