C.I. Direct Orange 28
- Product Name
- C.I. Direct Orange 28
- CAS No.
- 1325-49-1
- Chemical Name
- C.I. Direct Orange 28
- Synonyms
- Direct Orange 28;C.I. Direct Orange 28;C.I.Direct Orange 28:C.I.40065
- CBNumber
- CB94756740
- Formula Weight
- 0
- MOL File
- Mol file
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C.I. Direct Orange 28 Chemical Properties,Usage,Production
Preparation
2-Methyl-5-nitrobenzenesulfonie acid?sodium hydroxide solution at reflux under heating together with?Benzene-1,4-diamine, the molecular ratio of 2:1.
Properties and Applications
dark red light orange. Soluble in water for orange, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for red purple, dilute precipitation after brown; In nitric acid partly dissolved, for red light brown solution, and then to yellow brown solution.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 1 | 3 | 2-3 | 2 | 3 | ||
| AATCC | 3 | 3 | 2-3 | 2 | 3 | ||
C.I. Direct Orange 28 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I. Direct Orange 28 Suppliers
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