The Biebrich Scarlet (CI 26905) by Dinâmica, available at LojaLab, is an anionic azo dye used as a component of histology and protein-staining formulations. In trichrome techniques, it is included in solutions that stain cytoplasm, muscle and other acidophilic structures red before differentiation and counterstaining steps. Concentration, acidification, filtration and staining sequence must follow the protocol.
Characteristics
- Acid azo dye identified by Color Index C.I. 26905
- Also referred to as Biebrich Scarlet or Ponceau BS in technical references
- Molecular formula C22H14N4Na2O7S2, molar mass 556.48 g/mol and CAS 4196-99-0
- A dark-red to brown crystalline solid
Applications
- Preparation of trichrome staining solutions when the protocol specifies Biebrich Scarlet
- Staining of cytoplasm and muscle fibers in compatible histology methods
- Preparation of combined solutions with acid fuchsin in validated protocols
- Protein and biological-material staining studies in research
- Standardization and quality control of microscopy reagents.
Technical Specifications
- Product: Biebrich Scarlet (C.I. 26905)
- Brand: Dinâmica
- CAS: 4196-99-0
- Molecular formula: C22H14N4Na2O7S2
- Molar mass: 556.48 g/mol
- Class: acid azo dye
- Physical form: crystalline solid
- Pack size: 25 g.
Technical Data
| Color Index | C.I. 26905 |
| Histology function | Red component for acidophilic structures |
| Supply form | Solid dye; Working solution must be prepared |
| Solubility | Water: above 30 mg/mL; Ethanol: 1 mg/mL |
| Critical variables | Concentration, pH, time, differentiation and other dyes in the protocol |
Frequently Asked Questions
What is Biebrich Scarlet (CI 26905) used for?
The main applications of Biebrich Scarlet (CI 26905) include preparation of trichrome staining solutions when the protocol specifies Biebrich Scarlet; staining of cytoplasm and muscle fibers in compatible histology methods.
What are the main characteristics of Biebrich Scarlet (CI 26905)?
The characteristics listed for Biebrich Scarlet (CI 26905) include acid azo dye identified by Color Index C.I. 26905; also referred to as Biebrich Scarlet or Ponceau BS in technical references.
How should Biebrich Scarlet (CI 26905) be selected for a laboratory application?
Selection of Biebrich Scarlet (CI 26905) should consider the grade, presentation, method requirements, and technical specifications described on this page.
What quantities of Biebrich Scarlet (CI 26905) are available?
Biebrich Scarlet (CI 26905) 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 Biebrich Scarlet (CI 26905) and request a formal quotation?
Companies, laboratories, educational institutions, and research organizations can purchase Biebrich Scarlet (CI 26905) 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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