Other grades of this product :
| Acid chrome blue K Basic information |
| Product Name: | Acid chrome blue K | | Synonyms: | 4,5-Dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]-2,7-naphthalenedisulfonic acid trisodium salt;C.I.Mordant Blue 31;Chrome Blue K;Acid Chrome Blue K;2,7-Naphthalenedisulfonicacid, 4,5-dihydroxy-3-[2-(2-hydroxy-5-sulfophenyl)diazenyl]-, sodium salt (1:3);C.I.16675;Chrome fast navy blue R;Acid chrome blue K ISO 9001：2015 REACH | | CAS: | 3270-25-5 | | MF: | C16H9N2Na3O12S3 | | MW: | 586.4 | | EINECS: | 999-999-2 | | Product Categories: | | Mol File: | 3270-25-5.mol |
| Acid chrome blue K Chemical Properties |
| Acid chrome blue K Usage And Synthesis |
| Preparation | 3-Amino-4-hydroxybenzenesulfonic acid diazotization, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling. | | Properties and Applications | red light navy blue. Soluble in water and ethanol. In concentrated sulfuric acid to purple, dilution after blue light pink; In concentrated nitric acid for dark orange to yellow brown. Dye aqueous solution and sodium hydroxide as yellow solution.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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4-5
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5
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5
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2-3
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4-5
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5
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5
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| Acid chrome blue K Preparation Products And Raw materials |
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