NIGROSINE (SPIRIT SOLUBLE) (FOR MICROSCOPY) (C. I. NO. 50415)

Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
N0145700100 For Microscopy 11099-03-9 3204.9000
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
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

SUVCHEM
MAKE IN INDIA

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