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PONCEAU S For Electrophoresis C.I.No.27195 It is used to prepare a stain for rapid reversible detection of protein bands on nitrocellulose or polyvinylidene fluoride membranes (Western blotting), as well as on cellulose acetate membranes. Acid Red 112, 3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt
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Description
| Article No. | 05319 | Grade | For Electrophoresis |
| Purity | CAS No. | 6226-79-5 | |
| Molecular Formula | C22H12N4Na4O13S4 | Molecular Weight | 760.56 |
| H.S. Code | 3204.9000 | Shelf Life | 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 | Absorption maxima in water | 517 – 523 nm |
| Specific absorptivity 1%/1cm (at λmax) | Min 460 | Loss on drying (at 110°C) | Max 10% |
| Suitability (for electrophoresis) | Passes test |
Safety Information and Hazard Symbols
 |
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
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