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| C.I. Direct Orange 31 Basic information |
Product Name: | C.I. Direct Orange 31 | Synonyms: | C.I. Direct Orange 31;5-[[4'-[[4,5-Dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt;C.I.23655;Direct Orange 31;Diaphtamine Fast Orange PRS;C.I.Direct Orange 31:C.I.23655 | CAS: | 6420-03-7 | MF: | C31H27N6NaO7S | MW: | 650.64 | EINECS: | | Product Categories: | | Mol File: | 6420-03-7.mol | |
| C.I. Direct Orange 31 Chemical Properties |
| C.I. Direct Orange 31 Usage And Synthesis |
Preparation | 3,3′-Dimethylbenzidine?double nitriding, respectively with?2-Hydroxybenzoic acid and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling. | Properties and Applications | red light orange. Used for cellulose fiber dyeing, good levelness, white the gender is good.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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4
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3-4
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3
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2-3
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3
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| C.I. Direct Orange 31 Preparation Products And Raw materials |
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