Acid Green 7
Name:C.I.Acid Green 7,C.I.42055
Molecular Structure: triarylmethane class
C.I.Acid Green 7,C.I.42055,CAS 21973-92-2,594.72,C29H35N2NaO6S2
Molecular Formula:C29H35N2NaO6S2
Molecular Weight: 594.72
CAS Registry Number:21973-92-2
Manufacturing Methods : Bis(4-(diethylamino)phenyl)methanol and 2,4-Dimethylbenzenesulfonic acid 4-dimethylbenzenesulfonic acid condensation, then use hair smoke sulfuric acid, with heavy products again chromate salt for oxidation.
Properties and Applications: bright blue light green. Soluble in water, but soluble in ethanol.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 2-3 | 3 | 3 | 1 | 1 | 3 | 3 |
| AATCC | 2 | 3 | 3 | 3 | 5 | 5 | ||
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