Home Categories Biochemical Engineering PonceauS
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
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Update time: 2022-07-08

PRODUCT Properties

Density  1.01 g/mL at 20 °C
refractive index  n20/D 1.338
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

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