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Crystal Violet Lactone
Chemical name: 6-(Dimethylamino)-3,3-bis(4-(dimethylamino)phenyl)-1(3H)-isobenzofuranone
Molecular formula: C26H29N3O2
Molecular weight: 415.53
Structure：
Specification:
| Appearance | White to flavescent powder |
| Purity (%) | ≥96 |
| Total colorless dye (%) | ≥97 |
| Color intensity (%) | ≥97 (as compared with reference standard) |
| Diarylethane insolube substances (%) | ≤0.2 |
| mp (°C) | ≥178 |
| Volatile substances (%) | ≤0.1 |
Use: dark blue press-sensitive and heat sensitive dyes for press-sensitive action paper and carbonless copying paper.
Packaging: Double plastic lined paper drum, net weight 20Kg or 25 Kg.
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