Acid Blue 52
Name:C.I.Acid Blue 52,C.I.61125
Molecular Structure: anthraquinones
C.I.Acid Blue 52,C.I.61125,CAS 61752-67-8,575.48,22H15N3Na2O9S2
Molecular Formula:C22H15N3Na2O9S2
Molecular Weight: 575.48
CAS Registry Number:61752-67-8
Manufacturing Methods : (a) 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2,7-disulfonic acid or 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2,6-disulfonic acid and N-(4-aminophenyl)acetamide condensation; (b) 1-Amino-2-bromo-(acetaminophen anilino) anthraquinone 6（or 7）-sulfonic acid and sodium sulfite deoxidization reaction.
Properties and Applications: green light blue. The strong sulfuric acid for dark purple, for the red light blue after diluted.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 2 | 5 | 3-4 | 1 | 1 | 3 | 2-3 |
| AATCC | 4-5 | 2-3 | 2-3 | 2-3 | 1 | 1 | 2-3 | 2-3 |
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