Ponceau S
Ponceau S Basic information
- Product Name:
- Ponceau S
- Synonyms:
-
- 2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-,tetrasodiumsalt
- c.i.acidred112
- PONCEAU S, SODIUM SALT
- PONCEAU S
- LABOTEST-BB LT00847573
- PONCEAU S (C.I. 27195) FOR MICROSCOPY CE
- ATX PONCEAU S RED
- FAST PONCEAU 2B
- CAS:
- 6226-79-5
- MF:
- C22H17N4NaO13S4
- MW:
- 696.62
- EINECS:
- 228-319-2
- Product Categories:
-
- P
- Stains and Dyes
- Organics
- Stains&Dyes, A to
- Mol File:
- 6226-79-5.mol
Ponceau S Chemical 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.
- CAS DataBase Reference
- 6226-79-5(CAS DataBase Reference)
- EPA Substance Registry System
- 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-, tetrasodium salt (6226-79-5)
Safety Information
- Hazard Codes
- Xi
- Risk Statements
- 36/37/38
- Safety Statements
- 26-36-37/39
- WGK Germany
- 3
- RTECS
- QJ6600000
- TSCA
- Yes
- HS Code
- 32041200
MSDS
- Language:English Provider:Ponceau S
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
Ponceau S Usage And Synthesis
Chemical Properties
red powder
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.
Definition
ChEBI: An organic sodium salt that is the tetrasodium salt of 3-hydroxy-4-({2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2,7-disulfonic acid.
Preparation
3,4′-Disulfo-4-aininoazobenzene diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.
storage
Room temperature
Properties and Applications
colourful red blue light. Soluble in water for product red. The strong sulfuric acid in blue, diluted into orange red. Add in aqueous solution hydrochloric acid basic color; Add sodium hydroxide, thicker solution will appear precipitation.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3-4 | 2-3 | 3-4 | 2 | 1-2 | 3 | ||
Ponceau SSupplier
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Ponceau S(6226-79-5)Related Product Information
- 1-DODECANESULFONIC ACID SODIUM SALT
- 4-PHENYLAZOPHENOL
- CHLOROPHOSPHONAZO III
- Taurine
- Sulfamic acid
- 2,2'-Azobis(2-methylpropionitrile)
- p-Toluenesulfonic acid
- PHENOLSULFONIC ACID
- 2,5-Diaminobenzenesulfonic acid
- 1-Amino-2-naphthol
- METANILIC ACID SODIUM SALT
- SX Ponceau SX
- Azobenzene
- Phenylacetone
- 1-Aminonaphthalene-6-sulfonic acid
- ACID RED 151
- Naphthalene-2,7-disulfonic acid
- 4-Aminothiophenol