Disperse Yellow 3
Disperse Yellow 3 (CAS: 2832-40-8; C15H15N3O2) is a synthetic organic compound with a molecular weight of 269.30 g/mol. It is known for its yellow colour and finds application as a dye. This compound is primarily utilised in laboratory settings for staining purposes within cell biology and histology, aiding in the visualisation of cellular structures and tissues.
- IUPAC
- 4-(2-Hydroxy-5-methylphenylazo)acetanilide,N-[4-(2-Hydroxy-5-methylphenylazo)phenyl]acetamide
Histological Staining
Disperse Yellow 3 serves as a dye in histological preparations. It assists in staining cellular components, improving the contrast and visibility of tissue structures under microscopic examination.
Cell Biology Research
In cell biology, this compound is employed as a staining agent. It can be used to differentially stain certain cellular elements, contributing to the study of cell morphology and function.
Dye Application
As a disperse dye, it is suitable for colouring various materials. Its properties make it useful in specific laboratory applications requiring a yellow colouring agent.
| Molecular weight | 269.30 |
|---|---|
| Empirical formula | C15H15N3O2 |
| Melting point | 268-270 °C(lit.) |
Hazard statements
- H317May cause an allergic skin reaction
- H351Suspected of causing cancer
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 40-43 |
| Safety statements (S) | 22-36/37-46 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 11855 |
|---|---|
| Absorption | λmax 357 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 Disperse Yellow 3 used for?
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Disperse Yellow 3 is primarily used as a dye in laboratory applications, particularly for histological and cell biology staining to aid in microscopic visualisation of tissues and cellular structures.
What is the CAS number and chemical formula for Disperse Yellow 3?
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The CAS number for Disperse Yellow 3 is 2832-40-8 and its chemical formula is C15H15N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Disperse Yellow 3 as a research-grade chemical. We do not represent it as meeting USP, BP, EP, or other pharmacopoeia standards.
What are the primary safety concerns when handling Disperse Yellow 3?
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Disperse Yellow 3 is classified with the signal word 'Warning' and carries hazard statements H317 (May cause an allergic skin reaction) and H351 (Suspected of causing cancer). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (type N100 US or P3 EN143), is essential during handling.
How is Disperse Yellow 3 packed, shipped, and exported?
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Disperse Yellow 3 is carefully packed in accordance with international shipping regulations for chemicals. Tech Serve Solutions has extensive experience in exporting fine chemicals globally.
How can I request a sample or quote for Disperse Yellow 3?
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To request a sample or obtain a quote for Disperse Yellow 3, please contact our sales department through the website or by phone.
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