Acid Brown 234
Name:C.I.Acid Brown 234,C.I.11837
Molecular Structure: Single azo,Metal Complexes
CI.Acid Brown 234,C.I.11837,CAS 10381-00-7,361.27,C14H11N5O7
Molecular Formula:C14H11N5O7
Molecular Weight: 361.27
CAS Registry Number: 10381-00-7
Manufacturing Methods : 2-Amino-4,6-dinitrophenol diazo, and N-(4-hydroxyphenyl)acetamide coupling, and then translate into 1:2 nickel complex.
Properties and Applications: Dark brown. soluble in water and ethanol is red light brown, the strong sulfuric acid for orange brown; For dark red light after diluted orange; Join the hydrochloric acid solution with brown precipitation, add sodium hydroxide to red, and then into a brown precipitation.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 3 | 4 | 4-5 | 4-5 | 4-5 | ||
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