The Ponceau S (CI 27195) by Dinâmica, available at LojaLab, is a sulfonated azo dye used for reversible protein visualization, especially after electrophoretic transfer onto nitrocellulose or PVDF membranes. Its rapid staining allows users to verify transfer efficiency, observe the overall protein pattern and locate membrane regions before subsequent detection steps.
Characteristics
- Anionic azo dye identified by Color Index C.I. 27195
- Produces visible red staining of immobilized proteins
- Reversible staining that can be removed before subsequent procedures
- Suitable for nitrocellulose and PVDF membranes in compatible protocols
- Supplied as a reddish-brown powder.
Applications
- Visualization of the total protein pattern on nitrocellulose or PVDF membranes
- Location of bands or membrane regions before immunodetection
- Visual control of transfer uniformity and the presence of immobilized proteins.
Technical Specifications
- Product: Ponceau S (C.I. 27195)
- Brand: Dinâmica Química
- C.I.: 27195
- CAS number: 6226-79-5
- Molecular formula: C22H12N4Na4O13S4
- Molar mass: 760.57 g/mol
- Available quantity: 25 g.
Technical Data
| Physical state | Powder |
| Color | Reddish brown |
| Solubility | 10 g/L |
| Bulk density | Approximately 660 kg/m³ |
Frequently Asked Questions
What is Ponceau S (CI 27195) used for?
The main applications of Ponceau S (CI 27195) include visualization of the total protein pattern on nitrocellulose or PVDF membranes; location of bands or membrane regions before immunodetection.
What are the main characteristics of Ponceau S (CI 27195)?
The characteristics listed for Ponceau S (CI 27195) include anionic azo dye identified by Color Index C.I. 27195; produces visible red staining of immobilized proteins.
How should Ponceau S (CI 27195) be selected for a laboratory application?
Selection of Ponceau S (CI 27195) should consider the grade, presentation, method requirements, and technical specifications described on this page.
What quantities of Ponceau S (CI 27195) are available?
Ponceau S (CI 27195) is available in 25 g. For other quantities, recurring purchases, or larger requirements, contact the sales team to check availability and request a quotation.
How can companies and institutions purchase Ponceau S (CI 27195) and request a formal quotation?
Companies, laboratories, educational institutions, and research organizations can purchase Ponceau S (CI 27195) directly from LojaLab. For recurring purchases, internal approval processes, research funding, public procurement, or formal quotation requirements, contact the sales team.
Professional Use and Safety Guidance
This product is intended for professional use in scientific research, laboratory analysis, education, and compatible industrial applications.
Each product has its own handling, storage, and disposal requirements. Before use, consult the corresponding SDS and follow the manufacturer's instructions and the safety procedures adopted by the institution.
LojaLab provides guidance on product selection and provenance; defining the use protocol and verifying suitability for the final application are the responsibility of the purchasing professional or institution.
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