C.I. Direct Brown 29
- Product Name
- C.I. Direct Brown 29
- CAS No.
- 1325-69-5
- Chemical Name
- C.I. Direct Brown 29
- Synonyms
- Direct Brown 29;C.I. Direct Brown 29;C.I.Direct Brown 29:C.I.40505
- CBNumber
- CB74768369
- Formula Weight
- 0
- MOL File
- Mol file
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C.I. Direct Brown 29 Chemical Properties,Usage,Production
Preparation
2-Methyl-5-nitrobenzenesulfonie acid from the condensed products and Benzene-1,4-diamine condensation. That was??2-Methyl-5-nitrobenzenesulfonie acid sodium hydroxide solution at reflux under heating together with?Benzene-1,4-diamine?, its molecular ratio is 2:1. Its product (C.I.Direct Orange 28, C.I. 40065) diazo, and 6-(Dimethylamino)-4-hydroxynaphthalene-2-sulfonic acid in alkaline conditions coupled.
Properties and Applications
brown. Soluble in water for yellow orange to brown, slightly soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for Violet, dilute precipitation after dark brown; In nitric acid partly dissolved for red light brown.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 1-2 | 4 | 2 | 3 | 2-3 | ||
| AATCC | 3 | 3 | 3 | 3 | 4 | ||
C.I. Direct Brown 29 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I. Direct Brown 29 Suppliers
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