Acid Green 25
Acid Green 25 (CAS: 4403-90-1) is a synthetic organic compound with the molecular formula C28H20N2Na2O8S2 and a molecular weight of 622.58. This green dye, also known by its Colour Index number 61570, is primarily utilised in various staining applications within biological and histological contexts. Its distinct spectral absorption properties at approximately 608 nm and 642 nm make it suitable for specific visualisation techniques in laboratory settings.
Histological Staining
Acid Green 25 serves as a histological stain, aiding in the visualisation of cellular structures. It is particularly useful in combination with other stains for differential staining techniques in laboratory analysis.
Cell Biology Research
In cell biology, this dye is employed for staining purposes to observe cellular components. Its optical properties allow for specific applications in microscopy and related research areas.
Dye and Pigment Applications
As a member of the Stains & Dyes category, Acid Green 25 is utilised in applications where a vibrant green colourant is required. Its precise applications extend across various research and analytical fields.
| Molecular weight | 622.58 |
|---|---|
| Empirical formula | C28H20N2Na2O8S2 |
| Melting point | 235-238 °C(lit.) |
Hazard statements
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | N |
| Risk statements (R) | 51/53 |
| Safety statements (S) | 61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 61570 |
|---|---|
| Absorption | λmax 608 nmλmax 642 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 Green 25 used for?
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Acid Green 25 (CAS: 4403-90-1) is primarily used as a stain in histology and cell biology research, and in other applications requiring a green colorant.
What are the CAS number and molecular formula for Acid Green 25?
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The CAS number for Acid Green 25 is 4403-90-1, and its molecular formula is C28H20N2Na2O8S2.
What grade and purity does Tech Serve Solutions supply for Acid Green 25?
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Tech Serve Solutions supplies Acid Green 25. The exact assay and grade are detailed in the product specifications; it is not represented as USP, BP, or EP grade.
How should Acid Green 25 be handled?
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Acid Green 25 is classified as hazardous to the aquatic environment (H411). Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator filter (type N95 or P1). Avoid release to the environment (P273).
Is Acid Green 25 available for export from Tech Serve Solutions?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Acid Green 25, adhering to all relevant shipping regulations such as UN 3077.
How can I request a sample or quote for Acid Green 25?
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To request a sample or a quote for Acid Green 25, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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