Mordant Orange 1
Mordant Orange 1 (CAS: 2243-76-7) is an azo dye with the molecular formula O2NC6H4N=NC6H3-2-(OH)CO2H and a molecular weight of 287.23 g/mol. Commonly known as Alizarin Yellow R, it functions primarily as a pH indicator and in histological staining. Its characteristic colour change makes it a valuable tool in analytical chemistry and biological research applications.
- IUPAC
- 5-(4-Nitrophenylazo)salicylic acid,Alizarin Yellow R,MO1
- Synonyms
- Alizarin Yellow R5-(4-Nitrophenylazo)salicylic acidM O 1Mordant Orange 1
pH Indicator
Mordant Orange 1 serves as a visual indicator for pH changes. It exhibits a distinct colour transition within a specific pH range, aiding in acid-base titrations and general pH monitoring in laboratory settings.
Histological Staining
This compound is utilised in histology and cell biology for staining tissue samples. Its ability to selectively bind to cellular components enhances microscopic visualisation and diagnostic procedures.
Analytical Reagent
As a defined analytical reagent, Mordant Orange 1 finds application in various chemical analyses. Its properties are leveraged in spectrophotometric measurements and qualitative tests.
| Molecular weight | 287.23 |
|---|---|
| Linear formula | O2NC6H4N=NC6H3-2-(OH)CO2H |
| Application | Presently, azo dyes are used for coloring many different materials such as textile, leather, plastics, food, and pharmaceuticals and for manufacturing paints and lacquers and for printings purposes as well >> |
| Composition | Dye content, 70% |
| Melting point | >300 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 14030 |
|---|---|
| Absorption | λmax 385 nm |
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 Mordant Orange 1 used for?
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Mordant Orange 1 is primarily used as a pH indicator and in histological staining for cell biology and hematology applications. It also functions as an analytical reagent.
What is the CAS number and chemical formula for Mordant Orange 1?
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The CAS number for Mordant Orange 1 is 2243-76-7 and its chemical formula is O2NC6H4N=NC6H3-2-(OH)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Mordant Orange 1 with a dye content of 70%. We do not represent this product as USP, BP, or EP grade; it is suitable for research and general laboratory use.
What are the safety considerations when handling Mordant Orange 1?
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Mordant Orange 1 is classified with the GHS symbol GHS07 and signal word Warning. It has hazard statements H302 (Harmful if swallowed) and H319 (Causes serious eye irritation). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used. Refer to the Safety Data Sheet for comprehensive handling information.
How is Mordant Orange 1 packed and exported by TSS?
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As a global supplier, Tech Serve Solutions professionally packs and exports Mordant Orange 1 worldwide, adhering to all necessary shipping regulations for chemical compounds.
How can I request a sample or quote for Mordant Orange 1?
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To request a sample or a quote for Mordant Orange 1, please contact our sales team via the website or direct email, providing your specific requirements.
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