NIGROSINE (WATER SOLUBLE) (FOR MICROSCOPY) (C. I. NO. 50420)

NIGROSINE (WATER SOLUBLE) (FOR MICROSCOPY) (C. I. NO. 50420)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
N0145800100 For Microscopy 8005-03-6 3204.9000
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Dark bluish black

Odour

Odorless

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 Dark bluish black crystals

Loss on dryig (at 110°C):

 Max 15%

Absorption maxima in 50% ethanol:

 570 - 580 nm

Specific absorptivity 1%/1cm (lmax; 0.025 g/L; ethanol 50%):

 Min 200

Safety Information and Hazard Symbols

Safety Statement: 22-24
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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