NAPHTHOL GREEN B (FOR MICROCSCOPY) (C. I. NO. 10020)*

NAPHTHOL GREEN B (FOR MICROCSCOPY) (C. I. NO. 10020)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
N0140600025 For Microscopy 19381-50-1 C30H15FeN3Na3O15S3 878.450 3204.9000
 60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Dark green powder

Odour

Odorless

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 Dark green powder

Loss on drying (at 105°C) :

 Max 10%

Absorption maxima in water:

 710 - 720 nm

Absorptivity (A 1%/1cm; at lmax; in water; on dried substances):

 Min 100

Safety Information and Hazard Symbols

Safety Statement: 22-24/25
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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