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N4754

Sigma-Aldrich

Nigrosin water soluble

Powder

Sinonimo/i:

Acid black 2

Autenticatiper visualizzare i prezzi riservati alla tua organizzazione & contrattuali


About This Item

Numero CAS:
Colour Index:
50420
Numero MDL:
Codice UNSPSC:
12171500
NACRES:
NA.47

product name

Nigrosin water soluble, For use as a biological stain

Livello qualitativo

Forma fisica

powder

Solubilità

water: 1 mg/mL, turbid

εmax

~250 at 575 nm in 50% ethanol

applicazioni

diagnostic assay manufacturing
hematology
histology

Temperatura di conservazione

room temp

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Descrizione generale

Nigrosin is an acidic dye used as a negative stain for visualization of the capsule in bacteriological material.

Applicazioni

Nigrosin has the following applications:
  • to stain live sperm
  • as a viable cell staining agent especially in stem cell biology
  • as a negative stain in place of India ink for spirochetes, bacteria, protozoa, and fungi
  • in Dorner′s spore stain.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


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