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
Product Code. |
01826 |
Grade |
|
Purity |
CAS No. |
11099-03-9 | |
Molecular Formula |
Molecular Weight |
0.00 | |
H.S.Code |
3204.90000 |
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 |
Packaging
Specification
| 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