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| | Solvent Red 31 Basic information |
| Product Name: | Solvent Red 31 | | Synonyms: | 7-hydroxy-8-[[4-(phenylazo)phenyl]azo]naphthalene-1,3,6-trisulphonic acid, compound with bis(cyclohexyl)amine;C.I.27306;C.I.Solvent Red 31;Solvent Red 31;(8Z)-7-Oxo-8-({4-[(E)-phenyldiazenyl]phenyl}hydrazono)-7,8-dihydr o-1,3,6-naphthalenetrisulfonic acid - N-cyclohexylcyclohexanamine (1:1);Solvent Red 31 ISO 9001：2015 REACH;C.I.Solvent Red 31:C.I.27306 | | CAS: | 6226-90-0 | | MF: | C34H39N5O10S3 | | MW: | 773.89596 | | EINECS: | 228-322-9 | | Product Categories: | Solvent Dyestuff | | Mol File: | 6226-90-0.mol |  |
| | Solvent Red 31 Chemical Properties |
| | Solvent Red 31 Usage And Synthesis |
| Preparation | 4-(Phenyldiazenyl)benzenamine diazotization and 7-Hydroxynaphthalene-1,3,6-trisulfonic acid coupling, and then translate into dicyclohexyl amine salt. | | Properties and Applications | red. Dark red powder. Insoluble in water, slightly soluble in ethanol for magenta. In concentrated sulfuric acid to purple, dilution after pink. Dye aqueous solution to join concentrated hydrochloric acid to red; Add thick sodium hydroxide solution for brown. Used for plastic, grease, printing ink, paint color.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Good
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120(1hr)
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Well
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Poor
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Poor
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| | Solvent Red 31 Preparation Products And Raw materials |
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