Acid Blue 80
Acid Blue 80 (CAS: 4474-24-2; Formula: C32H28N2Na2O8S2; MW: 678.68) is a synthetic organic dye known for its vibrant blue colour. It is primarily utilised as a biological stain in various laboratory applications, including cell biology and histology. Its specific spectral properties and consistent performance make it a valuable reagent for microscopic visualisation and diagnostic procedures within these fields.

Biological Staining
Acid Blue 80 serves as a reliable stain for microscopic examination in biological research. It is particularly effective in highlighting cellular structures and tissues, aiding in their differentiation and analysis.
Cell Biology Research
This dye is employed in cell biology laboratories for staining cell components, facilitating the study of cellular morphology and processes. Its distinct colouration assists in distinguishing different cellular elements.
Histological Applications
In histology, Acid Blue 80 is used to stain tissue sections. It helps in the preservation and visualisation of tissue architecture, supporting pathological and research investigations.
| Molecular weight | 678.68 |
|---|---|
| Empirical formula | C32H28N2Na2O8S2 |
| Melting point | >300 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 61585 |
|---|---|
| Absorption | λmax 582 nmλmax 627 nm (2nd) |
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 Acid Blue 80 used for?
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Acid Blue 80 is primarily used as a biological stain in cell biology and histology for microscopic visualisation and analysis of cellular structures and tissues.
What are the CAS number and formula for Acid Blue 80?
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The CAS number for Acid Blue 80 is 4474-24-2, and its molecular formula is C32H28N2Na2O8S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Acid Blue 80 as a laboratory reagent. The purity and assay are as specified in the product data; TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should Acid Blue 80 be handled safely?
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Acid Blue 80 is classified with GHS07 signal word 'Warning' and hazard statement H319, indicating it causes serious eye irritation. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.
Is Acid Blue 80 available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Acid Blue 80, catering to international research and industrial needs.
How can I request a sample or quote for Acid Blue 80?
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To request a sample or obtain a quote for Acid Blue 80, please contact the Tech Serve Solutions sales department through the website or directly via email or phone.
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