6226-79-5
6226-79-5 structure
- Name: Ponceau S
- Chemical Name: Ponceau S
- CAS Number: 6226-79-5
- Molecular Formula: C22H12N4Na4O13S4
- Molecular Weight: 760.569
- Catalog: Biochemical Biochemical reagent Biological dye
- Create Date: 2018-02-24 08:00:00
- Modify Date: 2026-07-04 21:08:57
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Ponceau S is the most commonly used stain for Western blotting. Ponceau S is applied as an acidic aqueous solution, and it is compatible with antibody-antigen binding, and stains the proteins on the membrane red[1][2].
| Name | Ponceau S |
|---|---|
| Synonyms |
2,7-Naphthalenedisulfonic acid, 3-hydroxy-sulfo-4-(4-sulfophenyl)azophenylazo-, tetrasodium salt
Tetrasodium 3-hydroxy-4-[(E)-{2-sulfonato-4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}diazenyl]naphthalene-2,7-disulfonate Li Chunhong S Tetrasodium 3-hydroxy-4-[(E)-{2-sulfonato-4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}diazenyl]-2,7-naphthalenedisulfonate PONCEAU S SOLUTION, FOR ELECTROPHORESIS Lichun red abs9255 Ponceau S, BS c.i.acidred112 Ponceau S solution for electrophoresis % (w/v) in acetic acid Acid Red 112 C.I. Acid Red 112, tetrasodium salt PONCEAU S, FOR MICROSCOPY Ponceau S solution PonceauS(AcidRed112) MFCD00003892 3-HYDROXY-4-(2-SULFO-4-[4-SULFOPHENYLAZO]PHENYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID SODIUM SALT PonceauSForElectrophoresis Acid Red 112 [for Biochemical ]> 3-Hydroxy-4-[[3,4'-bis(sodiooxysulfonyl)azobenzene-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic Acid Tetrasodium Salt 2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-,tetrasodiumsalt 3-Hydroxy-4-((2-sulfo-4-((4-sulfophenyl)diazenyl)phenyl)diazenyl)naphthalene-2,7-disulfonic acid, tetrasodium salt Acid Red 112 [for Biochemical ] PONCEAU S C.I. No PONCEAU S SODIUM PRACTICAL ADE Ponceau S, pureR 3-Hydroxy-4-[[2-(sodiooxysulfonyl)-4-[[4-(sodiooxysulfonyl)phenyl]azo]phenyl]azo]-2,7-naphthalenedisulfonic acid disodium salt 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2-sulfo-4-((4-sulfophenyl)azo)phenyl)azo)-, tetrasodium salt Ponceau Red S ATX PONCEAU S RED 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(E)-2-[2-sulfo-4-[(E)-2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-, sodium salt (1:4) Ponceau S, Protein dye SPoncea Ponceau S, dye % Acid red 112 PONCEAU S FOR MICROSCOPY CE LABOTEST-BB LT00847573 PONCEAU S EXTRA ACID RED (N) 3-Hydroxy-4-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-2,7-naphthalenedisulfonic acid tetrasodium salt 3-HYDROXY-4-[2-SULFO-4-(4-SULFOPHENYLAZO)PHENYLAZO]-2,7-NAPHTHALENEDISULFONIC ACID, TETRASODIUM SALT AcidRed112> tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonat Ponceau S for microscopy Certistain 3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt Acid Red 112 C.I 3-HYDROXY-4-[2-SULFO-4-(SULFOPHENYLAZO)PHENYLAZO]-2,7-NAPHTHALENEDISULFONIC ACID TETRASODIUM SALT FAST PONCEAU 2B PONCEAU S SOLUTION PONCEAU S (W/V) ATX Ponceau S red staining solution SODIUM HYPOPHOSPHITE 1H2O C.I.Acid Red 112:C.I CI NO EINECS 228-319-2 GLYOXAL SOLUTION HIGH PURITY ADE Ponceau S Extra 3-Hydroxy-4-[[2-(sodiooxysulfonyl)-4-[[4-(sodiooxysulfonyl)phenyl]azo]phenyl]azo]-2,7-naphthalenedisulfonic acid disodium 2,7-Naphthalenedisulfonicacid, 3-hydroxy-4-[2-[2-sulfo-4-[2-(4 Ponceau S, Protein stain for electrophoresis PONCEAU S, SODIUM SALT PONCEAU S |
| Description | Ponceau S is the most commonly used stain for Western blotting. Ponceau S is applied as an acidic aqueous solution, and it is compatible with antibody-antigen binding, and stains the proteins on the membrane red[1][2]. |
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| Related Catalog | |
| References |
| Density | 1.01 g/mL at 20 °C |
|---|---|
| Molecular Formula | C22H12N4Na4O13S4 |
| Molecular Weight | 760.569 |
| Exact Mass | 759.887451 |
| PSA | 331.99000 |
| LogP | 7.31580 |
| Index of Refraction | n20/D 1.338 |
| Storage condition | Store at RT. |
| Water Solubility | 10 g/L |
CHEMICAL IDENTIFICATION
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| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P280-P305 + P351 + P338-P337 + P313 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi:Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| RTECS | QJ6600000 |
| HS Code | 32041200 |
| HS Code | 32041200 |
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