Quinoline Yellow
Quinoline Yellow (CAS: 8004-92-0) is a synthetic yellow dye with applications in various staining procedures. As a widely recognized laboratory reagent, it is primarily employed in biological and histological contexts for differential staining of tissues and cells. Its distinct colour properties make it a valuable tool for microscopic visualization in research and diagnostic settings. Tech Serve Solutions supplies Quinoline Yellow for laboratory and research use.
- IUPAC
- Acid Yellow 3

Histological Staining
Quinoline Yellow serves as a differential stain in histology, aiding in the visualization of tissue structures. It is often used in combination with other stains to differentiate cellular components and extracellular matrix.
Cell Biology Applications
In cell biology, this dye can be utilized for staining cell populations or specific cellular structures. Its colour intensity allows for clear microscopic observation and analysis of cell morphology and distribution.
Laboratory Reagent
As a general laboratory reagent, Quinoline Yellow finds use in various analytical and experimental procedures. Its consistent quality ensures reliable performance in routine laboratory workflows.

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Quinoline Yellow used for?
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Quinoline Yellow is used as a laboratory reagent for staining in cell biology, hematology, and histology.
What is the CAS number and formula for Quinoline Yellow?
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The CAS number for Quinoline Yellow is 8004-92-0. The chemical formula is not provided in the product data.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Quinoline Yellow as a laboratory reagent. The specific assay or purity is not detailed in the provided data. TSS does not represent this product as USP, BP, or EP grade.
How should Quinoline Yellow be handled safely?
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Quinoline Yellow is classified with a GHS07 symbol and a 'Warning' signal word. It has a hazard statement H302 (Harmful if swallowed). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle with care to avoid ingestion and inhalation of dust.
How is Quinoline Yellow packed and exported?
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Quinoline Yellow is carefully packed according to international shipping regulations to ensure safe transit. TSS offers global export services for this chemical.
How can I request a sample or quote for Quinoline Yellow?
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To request a sample or a quote for Quinoline Yellow, please contact our sales department via the website or by phone. Our team will be pleased to assist you with your specific requirements.
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