| ACID RED 151 Basic information |
| Product Name: | ACID RED 151 |
| Synonyms: | ACID RED 151;CI 26900;4-((4-((2-hydroxy-1-naphthalenyl)azo)phenyl)azo)-benzenesulfonicacimonoso;Acid Scarlet F-2R;4-[[4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-benzenesulfonicacimonoso;acidred151(c.i.26900);amacidneutralredbw;azosilkred3b |
| CAS: | 6406-56-0 |
| MF: | C22H15N4NaO4S |
| MW: | 454.43 |
| EINECS: | 229-029-9 |
| Product Categories: | Dyes and Pigments;Organics |
| Mol File: | 6406-56-0.mol |
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| ACID RED 151 Chemical Properties |
| Boiling point | 855.43℃[at 101 325 Pa] |
| density | 1.41[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| form | Powder |
| color | Brown |
| Water Solubility | 10mg/L at 25℃ |
| LogP | 2.68 at 25℃ |
| EPA Substance Registry System | C.I. Acid Red 151, monosodium salt (6406-56-0) |
| Safety Information |
| RTECS | DB7084500 |
| ACID RED 151 Usage And Synthesis |
| Preparation | 4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and Naphthalen-2-ol coupling. |
| Flammability and Explosibility | Notclassified |
| Properties and Applications | red. Dark red powder. Soluble in water is cloudy brown light orange, soluble in ethanol (orange) and soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid as blue light green, a weak light brown after diluted orange. Its water solution and strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution for dark purple. Apply to polyamide, silk, wool and wool fabric dyeing of, also can used for the polyamide plastic shading. Can also be used in leather dyeing. StandardLight FastnessSoapingPersperation FastnessOxygen bleachingFastness to seawaterFadingStainFadingStainFadingStainISO443-4443-443-4AATCC6332-333 |
| ACID RED 151 Preparation Products And Raw materials |
| Raw materials | 4′-Aminoazobenzene-4-sulphonic acid–>2-Naphthol |