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NIGROSINE ALCOHOL SOLUBLE For Microscopy C.I.No.50415 It is used for negative cell staining. Solvent Black 5; C.I. 50415; Nigrosine WN; Spirit nigrosine SSB; Orient spirit black SB; Lake black extra; Spirit black 5B; Nigrosine spirit soluble
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Specification
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General
Description
| Article No. | 04906 | Grade | For Microscopy |
| Purity | CAS No. | 11099-03-9 | |
| Molecular Formula | Molecular Weight | ||
| H.S. Code | 3204.9000 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Black powder | ||||
| Odour | Odorless | pH value | 8 – 9.5 at 20 °C | ||||
| Melting point/ Freezing point [°C] | >275 °C | Solubility in water [% weight] | Slightly soluble in water | ||||
Specifications
| Appearance | Black powder | Absorption maxima | About 565 nm |
| Specific absorptivity A1% 1cm (lmax; 0.025 g/L; 50% ethanol) | 200 – 300 |
Safety Information and Hazard Symbols
Risk Statement: 48/20/21/22
Safety Statement: 36/37-45
Safety Statement: 36/37-45
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