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| | PONTACYL CARMINE 2B Basic information |
| Product Name: | PONTACYL CARMINE 2B | | Synonyms: | 5-(Acetylamino)-4-hydroxy-3-[(2-methoxyphenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt;5-Hydroxy-6-(2-methoxyphenylazo)-4-(acetylamino)naphthalene-2,7-bis(sulfonic acid sodium) salt;PONTACYL CARMINE 2B;CI 18075;ACID VIOLET 12;disodium 5-(acetylamino)-4-hydroxy-3-[(2-methoxyphenyl)azo]naphthalene-2,7-disulphonate;Violet 12;Acid violet 12 (C.I. 18075) | | CAS: | 6625-46-3 | | MF: | C19H15N3Na2O9S2 | | MW: | 539.45 | | EINECS: | 229-584-7 | | Product Categories: | Organics | | Mol File: | 6625-46-3.mol |  |
| | PONTACYL CARMINE 2B Chemical Properties |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere | | solubility | DMSO (Slightly), Methanol (Slightly, Heated) | | Colour Index | 18075 | | form | Solid | | color | Very Dark Red | | Stability: | Hygroscopic, Light Sensitive | | EPA Substance Registry System | C.I. Acid Violet 12, disodium salt (6625-46-3) |
| | PONTACYL CARMINE 2B Usage And Synthesis |
| Uses | Pontacyl Carmine 2b, tech. is an organic dye and a water pollutant, removed from the environment via decolourisation by fungal strains. | | Preparation | O-Anisidine diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling. | | Properties and Applications | red light purple. Soluble in water for ruby red, and adequate soluble in ethanol ruby red colour. The strong sulfuric acid for purple, diluted for pink. In water solution to join strong hydrochloric acid for ruby red, add thick sodium hydroxide solution for orange brown.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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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2
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2-3
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2
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2
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3
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AATCC
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4
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2
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2
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1
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2
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2-3
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| | PONTACYL CARMINE 2B Preparation Products And Raw materials |
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