CAS Number6226-79-5
SynonymsPONCEAU S EXTRA; EINECS 228-319-2; 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic Acid Tetrasodium Salt; c.i.acidred112; Ponceau Red S; Acid Red 112; ATX PONCEAU S RED; FAST PONCEAU 2B; MFCD00003892
Molecular FormulaC22H12N4Na4O13S4
Molecular Weight760.57
Purity98.00%
Density1.01 g/mL at 20 °C
Appearanceliquid
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 6226-79-5 |
| Catalog No. | 2A-9032605 |
| Chinese Name | 丽春红S |
| Synonyms | PONCEAU S EXTRA; EINECS 228-319-2; 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic Acid Tetrasodium Salt; c.i.acidred112; Ponceau Red S; Acid Red 112; ATX PONCEAU S RED; FAST PONCEAU 2B; MFCD00003892 |
| Molecular Formula | C22H12N4Na4O13S4 |
| Molecular Weight | 760.57 |
| Purity | 98.00 |
| Density | 1.01 g/mL at 20 °C |
| Appearance | liquid |
| Water Solubility | 10 g/L |
| Storage Condition | Store at RT. |
| Application | Ponceau S is a common stain used for Western blot. Ponceau S is used as an acidic aqueous solution that is compatible with antibody-antigen binding and stains proteins on the membrane red. |
| HTC | 32041200 |
| PubChem ID | 24898827 |
| MDL Number | MFCD00003892 |
| SMILES | [Na+].[Na+].[Na+].[Na+].Oc1c(\N=N\c2ccc(cc2S([O-])(=O)=O)\N=N\c3ccc(cc3)S([O-])(=O)=O)c4ccc(cc4cc1S([O-])(=O)=O)S([O-])(=O)=O |
| InChI | 1S/C22H16N4O13S4.4Na/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30;;;;/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39);;;;/q;4*+1/p-4/b24-23+,26-25+;;;; |
| InChI Key | KQHKSGRIBYJYFX-WNDMICSESA-J |
| NACRES Code | NA.47 |
| UNSPSC | 12171500 |
| Hazard Symbols | transportation |
| MSDS | msds/32605_1_6226_79_5.pdf |
| Bioactivity | 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]. Related Catalog Research Areas >> Others Signaling Pathways >> Others >> Others References [1]. Sander H, et, al. Ponceau S waste: Ponceau S staining for total protein normalization. Anal Biochem. 2019 Jun 15; 575: 44-53. [2]. Litovchick. Staining the Blot for Total Protein with Ponceau S. Cold Spring Harb Protoc. 2020 Mar 2; 2020(3): 098459. Chemical & Physical Properties 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 InChIKey KQHKSGRIBYJYFX-UHFFFAOYSA-J SMILES O=S(=O)([O-])c1ccc(N=Nc2ccc(N=Nc3c(O)c(S(=O)(=O)[O-])cc4cc(S(=O)(=O)[O-])ccc34)c(S(=O)(=O)[O-])c2)cc1.[Na+].[Na+].[Na+].[Na+] Storage condition Store at RT. Water Solubility 10 g/L |
| Use of | 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]. Properties Articles50 Name Ponceau S Synonym More Synonyms Ponceau S Biological Activity 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]. Related Catalog Research Areas >> Others Signaling Pathways >> Others >> Others References [1]. Sander H, et, al. Ponceau S waste: Ponceau S staining for total protein normalization. Anal Biochem. 2019 Jun 15; 575: 44-53. [2]. Litovchick. Staining the Blot for Total Protein with Ponceau S. Cold Spring Harb Protoc. 2020 Mar 2; 2020(3): 098459. Chemical & Physical Properties Molecular Formula C22H12N4Na4O13S4 Exact Mass 759.887451 PSA 331.99000 LogP 7.31580 InChIKey KQHKSGRIBYJYFX-UHFFFAOYSA-J Storage condition Store at RT. |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 United Nations shipping name European Land Transport Dangerous Regulations: Non-dangerous goods IMDG Code: Non-dangerous goods International air transport dangerous goods regulations: non-dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Danger Regulations: No International Maritime Danger Regulations International Air Transport Danger Regulations: No Marine pollutants (yes/no): No 14.6 Special reminder to users No data available |
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