The Metanil Yellow (CI 13065) by Dinâmica, available at LojaLab, is an azo dye used as an acid-base indicator in a strongly acidic pH range and as a contrast stain in compatible histological methods. Its color change from red to yellow between approximately pH 1.2 and 2.3 enables monitoring of acidity transitions in specific analytical procedures.
Characteristics
- Azo dye also known as Metanil Yellow or Acid Yellow 36
- Functions as an acid-base indicator in a strongly acidic range
- Changes visually from red to yellow according to pH
- May be used as a contrast stain in compatible histological techniques.
Applications
Metanil Yellow may be used in:
- Preparation of indicator solutions for methods with a transition range from pH 1.2 to 2.3
- Visual assessment of acidity changes in compatible analytical procedures
- Counterstaining of sections processed by techniques such as PAS or iron hematoxylin
- Teaching and quality-control routines involving azo indicators and dyes.
Technical Specifications
- Product: Metanil Yellow (CI 13065)
- Brand: Dinâmica Química
- CAS number: 587-98-4
- Molecular formula: C18H14N3NaO3S
- Molar mass: 375.38 g/mol
- Available quantity: 25 g.
Technical Data
| Physical state | Powder |
| Color | Brownish yellow |
| Chemical class | Azo dye |
| Color index | CI 13065 |
| Transition range | PH 1.2 to 2.3 |
Frequently Asked Questions
What is Metanil Yellow (CI 13065) used for?
The main applications of Metanil Yellow (CI 13065) include preparation of indicator solutions for methods with a transition range from pH 1.2 to 2.3; visual assessment of acidity changes in compatible analytical procedures.
What are the main characteristics of Metanil Yellow (CI 13065)?
The characteristics listed for Metanil Yellow (CI 13065) include azo dye also known as Metanil Yellow or Acid Yellow 36; functions as an acid-base indicator in a strongly acidic range.
How should Metanil Yellow (CI 13065) be selected for a laboratory application?
Selection of Metanil Yellow (CI 13065) should consider the grade, presentation, method requirements, and technical specifications described on this page.
What quantities of Metanil Yellow (CI 13065) are available?
Metanil Yellow (CI 13065) 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 Metanil Yellow (CI 13065) and request a formal quotation?
Companies, laboratories, educational institutions, and research organizations can purchase Metanil Yellow (CI 13065) 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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