Cibacron Brilliant Yellow 3G-P
Cibacron Brilliant Yellow 3G-P (CAS: 50662-99-2), with the empirical formula C25H19Cl3N9NaO10S3 and a molecular weight of 831.02 g/mol, is a reactive dye. It is primarily utilised as a staining agent in various biological and histological applications. Its distinctive spectral properties, with an absorption maximum (λmax) at 404 nm, make it valuable for specific visualisation techniques in research and diagnostics.
- IUPAC
- Reactive yellow 2
- Synonyms
- Reactive yellow 2

Biological Staining
Cibacron Brilliant Yellow 3G-P serves as a vital stain in cell biology, facilitating the visualisation of cellular structures and components in research settings. Its reactive nature allows for covalent bonding to cellular targets.
Histological Dye
This compound is employed as a dye in histology for the differential staining of tissue samples. It aids in the microscopic examination of tissues, supporting diagnostic and research purposes in medical laboratories.
Laboratory Reagent
As a specialised laboratory reagent, Cibacron Brilliant Yellow 3G-P is used in various analytical and experimental procedures where specific colourimetric detection or visualisation is required.
| Molecular weight | 831.02 |
|---|---|
| Empirical formula | C25H19Cl3N9NaO10S3 |
| Colour Index Number | 18972 |
|---|---|
| Absorption | λmax 404 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 Cibacron Brilliant Yellow 3G-P used for?
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Cibacron Brilliant Yellow 3G-P is predominantly used as a biological stain in cell biology and as a dye in histology for microscopic examination of tissues and cells.
What are the CAS number and formula for Cibacron Brilliant Yellow 3G-P?
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The CAS number for Cibacron Brilliant Yellow 3G-P is 50662-99-2, and its empirical formula is C25H19Cl3N9NaO10S3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cibacron Brilliant Yellow 3G-P as a technical or research grade reagent. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the safety and handling considerations for Cibacron Brilliant Yellow 3G-P?
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Cibacron Brilliant Yellow 3G-P is classified with WGK Germany 3, indicating a high hazard to water. Users should consult the Safety Data Sheet (SDS) for comprehensive handling, storage, and disposal information.
How is Cibacron Brilliant Yellow 3G-P packed and exported?
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Cibacron Brilliant Yellow 3G-P is carefully packed according to industry standards and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Cibacron Brilliant Yellow 3G-P?
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To request a sample or a quotation for Cibacron Brilliant Yellow 3G-P, please contact the Tech Serve Solutions sales team through our website or by phone.
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