Basic brown 1
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Basic brown 1
C.I.Basic Brown 1
C.I.21000
CAS:8052-76-4
Synonymous names：Basazol Brown 43L (DYS);Basazol Brown 43P (DYS);Basic Brown G (NJC); Bismarck Brown G (NIEC,STIE);Bismark Brown G (HEB,WUXI,JIAN); Bismark Brown G 335 (STIE);Dycosbasic Brown G (SHC);Nippon Kagaku Bismarck Brown B (KKK);Tertrophene Brown G (CKC)
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Description
C.I.Basic Brown 1
C.I.21000
CAS:8052-76-4
Synonymous names:Basazol Brown 43L (DYS);Basazol Brown 43P (DYS);Basic Brown G (NJC); Bismarck Brown G (NIEC,STIE);Bismark Brown G (HEB,WUXI,JIAN); Bismark Brown G 335 (STIE);Dycosbasic Brown G (SHC);Nippon Kagaku Bismarck Brown B (KKK);Tertrophene Brown G (CKC)
Physicochemical Properties: Brown powder. Highly soluble in water (yellowish-brown), sparingly in ethanol and Cellosolve; insoluble in acetone, benzene, carbon tetrachloride, and Stoddard solvent. In concentrated sulfuric acid, appears brown, turning reddish-brown upon dilution; orange in nitric acid, turning yellow. Aqueous solutions are unaffected by hydrochloric acid; sodium hydroxide yields orange precipitates.
Applications: For silk, wool, and tannin-mordanted cotton. Also for leather, paper, bamboo, wood, and manufacturing color lakes and solvent dyes.
