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TRYPAN BLUE For Microscopy C.I.No.23850 Trypan blue is a vital stain used to selectively colour dead tissues or cells blue. Congo Blue 3B; Direct Blue 14, Niagara Blue 3B; 3,3′-[(3,3′-Dimethyl[1,1′-biphenyl]-4,4′-diyl)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonic acid] tetrasodium salt
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Description
| Article No. | 06397 | Grade | For Microscopy |
| Purity | 70% dye content | CAS No. | 72-57-1 |
| Molecular Formula | C34H24N6Na4O14S4 | Molecular Weight | 960.80 |
| H.S. Code | 3204.9000 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Dark blue crystalline | ||||
| Melting point/ Freezing point [°C] | > 300 °C | Solubility in water [% weight] | Soluble in water | ||||
Specifications
| Appearance | Dark Green to Brown or Brown-Black Powder, Crystalline Powder or Granule | Dye content | Min 70% |
| Absorption maxima in methanol | 603 – 607 nm | Absorptivity( A 1% /1cm,λmax in Methanol) | Min 730.0 |
| Loss on drying | Max 10.0% |
Safety Information and Hazard Symbols
 |
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H350
Precaution Statement: P201-P308 + P313
Signal Word: Danger
Hazardous Statement: H350
Precaution Statement: P201-P308 + P313
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