A0692656
PonceauS , 10x , 6226-79-5
Synonym(s):
3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt
CAS NO.：6226-79-5
Empirical Formula: C22H17N4NaO13S4
Molecular Weight: 696.62
MDL number: MFCD00003892
EINECS: 228-319-2
| Pack Size | Price | Stock | Quantity |
| 100ml | RMB135.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Density | 1.01 g/mL at 20 °C |
| refractive index | n |
| storage temp. | Store at RT. |
| solubility | H2O: soluble1mg/mL |
| form | Powder/Solid |
| Colour Index | 27195 |
| color | Red-brown |
| PH | 9.0 (10g/l, H2O, 20℃) |
| Water Solubility | 10 g/L |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
Description and Uses
Ponceau S dye is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. It is also suitable for electrophoresis, azo dye for reversible protein staining. This stain can also be used as a fiducial marker in mass spectrometric imaging.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36-37/39 |
| WGK Germany | 3 |
| RTECS | QJ6600000 |
| TSCA | Yes |
| HS Code | 32041200 |
