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Organic Chemicals

Ponceau S

RA002097 CAS 6226-79-5

Identity

Product code
RA002097
CAS number
6226-79-5
Molecular formula
C22H12N4Na4O13S4
Molecular weight
760.56

Classification

Technical Data

Properties

PropertyValue
Physical state at 20 °C Solid
Colour Dark red crystalline
Odour Characteristic odour
pH value 9
Solubility in water [% weight] Soluble in water

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

Specifications

ParameterSpecificationUnit
Appearance A dark red crystalline powder —
Absorption maxima in water 517 - 523 nm nm
Specific absorptivity 1%/1cm (at λmax) Min 460 —
Loss on drying (110 °C) Max 10 % %
Suitability (for electrophoresis) Passes test —

Packaging

Pack size SKU
25 g RA002097-PK-25G
100 g RA002097-PK-100G