C.I. Direct Brown 34
- Product Name
- C.I. Direct Brown 34
- CAS No.
- 1325-70-8
- Chemical Name
- C.I. Direct Brown 34
- Synonyms
- Direct Brown 34;C.I. Direct Brown 34
- CBNumber
- CB24771722
- Formula Weight
- 0
- MOL File
- Mol file
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C.I. Direct Brown 34 Chemical Properties,Usage,Production
Preparation
2-Methyl-5-nitrobenzenesulfonie acid?condensation product with a self-condensation of Benzene-1,4-diamine. That was ?2-Methyl-5-nitrobenzenesulfonie acid?sodium hydroxide solution to the backflow and Benzene-1,4-diamine common heating, its molecular ratio is 2:1. Its product (C.I. Direct Orange 28, C.I. 40065) diazo, and 4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid in alkaline conditions coupled.
Properties and Applications
brown. Soluble in water for the opacity of the yellow light brown, not soluble in ethanol and acetone. The strong sulfuric acid for black purple, for green light brown after diluted. Dyes to dilute sulphuric acid solution turn dark; Add thick sodium hydroxide solution unchanged.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 2-3 | 3 | 2 | 4 | 4 | ||
| AATCC | 3 | 3 | |||||
C.I. Direct Brown 34 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I. Direct Brown 34 Suppliers
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