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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

COAs

Packings

25 g (00025)

100 g (00100)

1PB1200060 1PB1200100
Print friendly version
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
Revision Date: 21-Sep-2017

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