The Tartrazine (CI 19140) Analytical Grade by Dinâmica, available at LojaLab, is a trisodium anionic azo dye used as a reference in chromatographic and spectrophotometric analyses, adsorption studies, and compatible staining procedures.
Characteristics
- Anionic azo dye identified by Colour Index 19140.
- Formula C16H9N4Na3O9S2 and molar mass 534.36 g/mol.
- Sulfonated structure with high affinity for aqueous media.
- Analytical Grade supplied in 25 g.
Applications
- Analytical reference in liquid-chromatography and thin-layer-chromatography methods.
- Development of spectrophotometric methods for dye quantification.
- Adsorption, removal, and interaction studies of anionic dyes with materials.
- Staining and contrast in compatible histological and microscopic procedures.
Technical Specifications
- Product: Tartrazine (CI 19140) Analytical Grade.
- Brand: Dinâmica.
- Grade: Analytical Grade.
- CAS: 1934-21-0.
- Molecular formula: C16H9N4Na3O9S2.
- Molar mass: 534.36 g/mol.
- Available quantity: 25 g.
Technical Data
| Chemical class | Anionic azo dye |
|---|
| Colour Index | CI 19140 |
|---|
| Laboratory function | Analytical reference and dye |
|---|
| Package | 25 g |
|---|
Frequently Asked Questions
What is Tartrazine (CI 19140) Analytical Grade used for?
The main applications of Tartrazine (CI 19140) Analytical Grade include chromatographic reference use, development of spectrophotometric methods, adsorption studies, and staining procedures.
What are the main characteristics of Tartrazine (CI 19140) Analytical Grade?
The characteristics listed for Tartrazine (CI 19140) Analytical Grade include a trisodium anionic azo dye, Colour Index 19140, formula C16H9N4Na3O9S2, molar mass 534.36 g/mol, Analytical Grade, supplied in 25 g.
Why is Tartrazine (CI 19140) Analytical Grade suitable for spectrophotometric methods?
Tartrazine (CI 19140) Analytical Grade has a defined azo chromophore and sulfonate groups that support dispersion in aqueous media, features useful for analytical-curve construction and light-absorption evaluation.
What quantities of Tartrazine (CI 19140) Analytical Grade are available?
Tartrazine (CI 19140) Analytical Grade 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 Tartrazine (CI 19140) Analytical Grade and request a formal quotation?
Companies, laboratories, educational institutions, and research organizations can purchase Tartrazine (CI 19140) Analytical Grade 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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