Methyl Red sodium salt
Methyl Red sodium salt (CAS: 845-10-3) is a chemical compound with the formula C15H14N3NaO2 and a molecular weight of 291.28 g/mol. This vibrant dye functions as a pH indicator, exhibiting a distinct colour change. It is widely employed in analytical chemistry for titrations and other indicator-based procedures. Available from Tech Serve Solutions, it is supplied as an ACS reagent.
- IUPAC
- 4-Dimethylaminoazobenzene-2′-carboxylic acid sodium salt,Acid Red 2
pH Indicator
Methyl Red sodium salt is extensively used as a pH indicator in acid-base titrations. It changes colour from pink in acidic solutions (pH 4.2) to yellow in alkaline solutions (pH 6.2).
Analytical Reagent
This compound serves as a valuable analytical reagent in laboratories. Its distinct colour transition makes it suitable for various qualitative and quantitative analyses where pH determination is critical.
Histology and Cell Biology
In histology and cell biology, Methyl Red sodium salt can be utilised as a stain or dye in specific staining protocols. Its properties lend themselves to differential staining techniques.
| Molecular weight | 291.28 |
|---|---|
| Empirical formula | C15H14N3NaO2 |
| Grade | ACS reagent |
| Density | 0.989 g/mL at 25 °C |
| Concentration | 0.1 wt. % in H2O |
| Composition | Dye content, 95% |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 13020 |
|---|---|
| Absorption | λmax 437 nm |
| Ph Range | 4.2 - 6.2, pink to yellow |
| Synonym | 4.2 - 6.2, pink to yellow |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Methyl Red sodium salt used for?
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Methyl Red sodium salt is primarily used as a pH indicator in acid-base titrations and as a general analytical reagent in laboratory settings. It also finds applications in histology and cell biology.
What is the CAS number and formula for Methyl Red sodium salt?
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The CAS number for Methyl Red sodium salt is 845-10-3, and its chemical formula is C15H14N3NaO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl Red sodium salt in an ACS reagent grade with a dye content of 95%. We do not represent this product as USP, BP, or EP.
How should Methyl Red sodium salt be handled safely?
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When handling Methyl Red sodium salt, it is essential to wear appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is possible. The substance is classified with WGK Germany 3.
How is Methyl Red sodium salt packed, shipped, and exported?
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Tech Serve Solutions professionally packs and ships chemicals globally, adhering to all relevant international regulations for safe transport and export.
How can I request a sample or quote for Methyl Red sodium salt?
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To request a sample or a quote for Methyl Red sodium salt, please contact our sales team through the TSS website or via direct inquiry.
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