Acid Blue 40
Acid Blue 40 (CAS: 6424-85-7), with the molecular formula C22H16N3NaO6S and a molecular weight of 473.43 g/mol, is a synthetic dye. It is commonly utilized as a staining agent in biological and histological applications, particularly within cell biology. Its vibrant blue colour, with an absorption maximum at 620 nm, makes it valuable for visualisation purposes in laboratory settings. Tech Serve Solutions supplies this chemical for research and analytical use.
Histology and Hematology Staining
Acid Blue 40 is employed as a biological stain in both histological and hematological preparations. Its ability to selectively colour cellular components aids in the microscopic examination of tissues and blood samples.
Cell Biology Research
Within cell biology, this dye serves as a tool for visualising cellular structures and processes. Its specific spectral properties allow for its use in various microscopic techniques.
Dye Applications
As a Colour Index (CI) number 62125 dye, Acid Blue 40 has broader applications where a stable blue colourant is required for laboratory reagents and analytical standards.
| Molecular weight | 473.43 |
|---|---|
| Empirical formula | C22H16N3NaO6S |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 62125 |
|---|---|
| Absorption | λmax 620 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 Acid Blue 40 used for?
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Acid Blue 40 is primarily used as a staining agent in histology, hematology, and cell biology for microscopic examination. It is also used in laboratory reagents and as an analytical standard.
What is the CAS number and molecular formula for Acid Blue 40?
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The CAS number for Acid Blue 40 is 6424-85-7 and its molecular formula is C22H16N3NaO6S.
What grade and purity does Tech Serve Solutions supply for Acid Blue 40?
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Tech Serve Solutions supplies Acid Blue 40 for research and analytical use. The specific assay and purity are detailed in the product's specifications. This product is not represented as USP, BP, EP, or for food/nutraceutical applications.
How should Acid Blue 40 be handled?
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Handle Acid Blue 40 with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It is classified under WGK Germany 3, indicating a high hazard to water.
Is Acid Blue 40 suitable for international export?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including Acid Blue 40, to meet international research and laboratory needs.
How can I request a sample or quote for Acid Blue 40?
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To request a sample or a detailed quote for Acid Blue 40, please contact the Tech Serve Solutions sales team through our website or by phone, referencing the product CAS number 6424-85-7.
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