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Stains & Dyes

Thionin (Acetate)

RA002586 CAS 78338-22-4 Microscopy

Identity

Product code
RA002586
CAS number
78338-22-4
Grade
Microscopy
Molecular formula
C14H13N3O2S
Molecular weight
287.34

Classification

Technical Data

Properties

PropertyValue
Physical state at 20 °C Solid
Colour Black-green powder
Odour Stench odour
pH value Approx. 6.8
Solubility in water [% weight] Slightly soluble in water

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit
Appearance Black-green powder —
Dye content Min 85 % %
Absorption maxima (in acidified water) 593 - 603 nm nm
Loss on drying (105 °C) Max 10 % %

Packaging

Pack size SKU
5 g RA002586-PK-5G
25 g RA002586-PK-25G