PATENT BLUE VF FOR MICROSCOPY 
Block B23-1.5 
Dye content (By spectrophotometry) Min. 85.0 %
Absorption Maxima (in 50% ethanol) 545 - 555 nm
Absorptivity (0.003 g/l; 50%ethanol) 2290 - 2710
Loss on drying (at 135°C) Max 15 %
Appearance Dark green coloured powder
| CAS No. | 632-99-5 |
|---|---|
| Molecular Formula | C20H20ClN3 |
| Molecular Weight | 337.85 |
| HS Code | 3204.1300 |
| Symbol | GHS07, GHS08 |
| Signal Word | Warning |
| Hazardous Statement | H351 |
| Precaution Statement | P201-P202-P308+P313-P405-P501 |
| Packing | 25 G |
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FUCHSIN BASIC FOR MICROSCOPY
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