PONCEAU S (FOR MICROSCOPY) (C. I. NO. 27195)*

PONCEAU S (FOR MICROSCOPY) (C. I. NO. 27195)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
P0163600025 For Electrophoresis 6226-79-5 C22H12N4Na4O13S4 760.56 3204.9000
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

Dark red crystalline

Odour

Characteristic odour

pH value

9 at 10 g/l at 20 °C

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 A dark red crystalline powder

Loss on dryig (at 110°C):

 Max 10%

Suitability (for electrophoresis) :

 Passes test

Absorption maxima in water:

 517 - 523 nm

Specific absorptivity 1%/1cm (at lmax):

 Min 460

Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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