Basic Brown 5
Name:C.I.Basic Brown 5,C.I.21010
Molecular Structure: Double azo class
C.I.Basic Brown 5,C.I.21010,CAS 8052-76-4,388.47,C21H24N8,Basic Brown R
Molecular Formula:C21H24N8
Molecular Weight: 388.47
CAS Registry Number:8052-76-4
Manufacturing Methods : based in 2 Moore’s deal with 3 Moore’s 4-Methylbenzene-1,3-diamine hydrochloride (this product in the above may double the azo dyes as the main component of the mixture).
Properties and Applications: red light brown. For yellow brown is soluble in water, soluble in ethanol and soluble fiber element, slightly soluble in acetone, insoluble in benzene. The strong sulfuric acid for brown, diluted into a red light brown; In nitric acid solution for purple, to brown; In strong hydrochloric acid for purple solution (don’t). Dye with strong hydrochloric acid solution for yellow brown; Add 10% sodium hydroxide solution into orange. Mainly used for silk, wool fabric dyeing, also used in leather and paper color.
List of Suppliers:
Basic Brown R Shandong Qing Shun Chemical Co., Ltd.