Ponceau S
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- $14 - $1316.67
- Product name: Ponceau S
- CAS: 6226-79-5
- MF: C22H17N4NaO13S4
- MW: 696.62
- EINECS:228-319-2
- MDL Number:MFCD00003892
- Synonyms:2,7-Naphthalenedisulfonicacid,3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-,tetrasodiumsalt ;c.i.acidred112 ;PONCEAU S, SODIUM SALT;LABOTEST-BB LT00847573;PONCEAU S (C.I. 27195) FOR MICROSCOPY CE;ATX PONCEAU S RED;FAST PONCEAU 2B;CI NO 27195
48 prices
Selected condition：
Brand
- aablocks
- AK Scientific
- American Custom Chemicals Corporation
- ApexBio Technology
- Cayman Chemical
- Chemenu
- Chem-Impex
- ChemScene
- Crysdot
- Sigma-Aldrich
- TCI Chemical
- Thermo Scientific Chemicals
- TRC
- Usbiological
Package
- 500mg
- 1g
- 5MG
- 6 x 1 L
- 6 x 1 ea
- 5G
- 10g
- 25g
- 50g
- 100g
- 250g
- 500g
- 500ml
- 1000g
- 1kg
- 1L
- 5KG
- 10 g
- 25 g
- 100 g
- Manufactureraablocks
- Product numberAA00IAX5
- Product descriptionAcid Red 112 >85.0%(HPLC)(N)
- Packaging1g
- Price$14
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IAX5
- Product descriptionAcid Red 112 BS
- Packaging25g
- Price$16
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IAX5
- Product descriptionAcid Red 112 ≥85%(Dyecontent)
- Packaging100g
- Price$63
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IAX5
- Product descriptionAcid Red 112 ≥85%(Dyecontent)
- Packaging250g
- Price$108
- Updated2026-05-29
- Buy
- Manufactureraablocks
- Product numberAA00IAX5
- Product descriptionAcid Red 112 ≥85%(Dyecontent)
- Packaging1kg
- Price$326
- Updated2026-05-29
- Buy
- ManufacturerAK Scientific
- Product number6632AF
- Product descriptionPonceau S
- Packaging1g
- Price$77
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberCBL0035859
- Product descriptionPONCEAU S STAINING SOLUTION 95.00%
- Packaging5MG
- Price$451.32
- Updated2021-12-16
- Buy
- ManufacturerApexBio Technology
- Product numberB7778
- Product descriptionPonceauSStainingSolution
- Packaging50g
- Price$66
- Updated2021-12-16
- Buy
- ManufacturerCayman Chemical
- Product number14330
- Product descriptionPonceau S (sodium salt)
- Packaging25g
- Price$41
- Updated2026-04-30
- Buy
- ManufacturerCayman Chemical
- Product number14330
- Product descriptionPonceau S (sodium salt)
- Packaging50g
- Price$75
- Updated2026-04-30
- Buy
- ManufacturerCayman Chemical
- Product number14330
- Product descriptionPonceau S (sodium salt)
- Packaging100g
- Price$110
- Updated2026-04-30
- Buy
- ManufacturerChemenu
- Product numberCM191577
- Product descriptionAcid Red 112 95%
- Packaging1000g
- Price$367
- Updated2021-12-16
- Buy
- ManufacturerChem-Impex
- Product number00249
- Product description3-Hydroxy-4[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt ≥85%(Dyecontent)
- Packaging5KG
- Price$1316.67
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number00249
- Product description3-Hydroxy-4[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt ≥85%(Dyecontent)
- Packaging1KG
- Price$305.16
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number42534
- Product descriptionPonceau S solution, 0.1 % (w/v) in 5% acetic acid ≥85%(Dyecontent)
- Packaging1L
- Price$124.59
- Updated2026-05-19
- Buy
- ManufacturerChem-Impex
- Product number00249
- Product description3-Hydroxy-4[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt ≥85%(Dyecontent)
- Packaging250G
- Price$87.83
- Updated2026-05-19
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00IAX5 | Acid Red 112 >85.0%(HPLC)(N) | 1g | $14 | 2026-05-29 | Buy |
| aablocks | AA00IAX5 | Acid Red 112 BS | 25g | $16 | 2026-05-29 | Buy |
| aablocks | AA00IAX5 | Acid Red 112 ≥85%(Dyecontent) | 100g | $63 | 2026-05-29 | Buy |
| aablocks | AA00IAX5 | Acid Red 112 ≥85%(Dyecontent) | 250g | $108 | 2026-05-29 | Buy |
| aablocks | AA00IAX5 | Acid Red 112 ≥85%(Dyecontent) | 1kg | $326 | 2026-05-29 | Buy |
| AK Scientific | 6632AF | Ponceau S | 1g | $77 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | CBL0035859 | PONCEAU S STAINING SOLUTION 95.00% | 5MG | $451.32 | 2021-12-16 | Buy |
| ApexBio Technology | B7778 | PonceauSStainingSolution | 50g | $66 | 2021-12-16 | Buy |
| Cayman Chemical | 14330 | Ponceau S (sodium salt) | 25g | $41 | 2026-04-30 | Buy |
| Cayman Chemical | 14330 | Ponceau S (sodium salt) | 50g | $75 | 2026-04-30 | Buy |
| Cayman Chemical | 14330 | Ponceau S (sodium salt) | 100g | $110 | 2026-04-30 | Buy |
| Chemenu | CM191577 | Acid Red 112 95% | 1000g | $367 | 2021-12-16 | Buy |
| Chem-Impex | 00249 | 3-Hydroxy-4[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt ≥85%(Dyecontent) | 5KG | $1316.67 | 2026-05-19 | Buy |
| Chem-Impex | 00249 | 3-Hydroxy-4[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt ≥85%(Dyecontent) | 1KG | $305.16 | 2026-05-19 | Buy |
| Chem-Impex | 42534 | Ponceau S solution, 0.1 % (w/v) in 5% acetic acid ≥85%(Dyecontent) | 1L | $124.59 | 2026-05-19 | Buy |
| Chem-Impex | 00249 | 3-Hydroxy-4[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid tetrasodium salt ≥85%(Dyecontent) | 250G | $87.83 | 2026-05-19 | Buy |
Properties
bulk density :660kg/m3
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
λmax :352 nm
520 nm (2nd) ε(extinction coefficient) :≥330000 at 518-522nm in deionized water at 0.015g/L
Stability :Stable. Incompatible with strong oxidizing agents.
InChIKey :LZYGEJPERQQCIY-STNZDNLRSA-J
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)
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
λmax :352 nm
520 nm (2nd) ε(extinction coefficient) :≥330000 at 518-522nm in deionized water at 0.015g/L
Stability :Stable. Incompatible with strong oxidizing agents.
InChIKey :LZYGEJPERQQCIY-STNZDNLRSA-J
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
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Description
Ponceau S is a stain that permits the rapid, reversible detection of proteins immobilized on various matrices, including nitrocellulose and polyvinylidene fluoride membranes. It can be used to locate proteins or evaluate efficiency of transfer. Reversible staining with ponceau S has also been validated as an alternative to actin probing as a loading control. This stain can also be used as a fiducial marker in mass spectrometric imaging.Related product price
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