Acridine Orange (For Microscopy) (C.I. No. 46005) / CAS 10127-02-3
Acridine Orange is a microscopy dye used to stain nucleic acids and other cellular components. Oxford lists its molecular formula as C17H20ClN3 and molecular weight as 301.81; see the specification note below regarding the formula and zinc content.
| Article No. | A-00258 |
|---|---|
| CAS No. | 10127-02-3 |
| Grade | For Microscopy |
| Colour Index | C.I. 46005 |
| Molecular formula (Oxford listing) | C17H20ClN3 |
| Molecular weight (Oxford listing) | 301.81 |
| Appearance | Dark brown powder |
| Shelf life | 5 years |
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Product Details
Acridine Orange (C.I. 46005) is a microscopy dye with an Oxford-listed dye content of 60%. The supplier reports an absorption maximum of 491–495 nm in 50% ethanol and a zinc content of 9–15%. Acridine Orange dyes are used in microscopy and nucleic-acid staining procedures.
Available pack sizes
| Pack size | SKU | Price (INR) | CAS No. |
|---|---|---|---|
| 10 g | A-00258-10GM | ₹2,500 | 10127-02-3 |
| 25 g | A-00258-25GM | ₹5,000 | 10127-02-3 |
Prices are from Oxford Lab Fine Chem’s 2025–26 price list; confirm current pricing and availability with the supplier.
Specifications
| Dye content | 60% |
|---|---|
| Appearance | Dark brown powder |
| Colour in solution | Orange to brown |
| Identification | IR conforms to structure |
| Loss on drying at 110°C | Maximum 5% |
| Absorption maximum (50% ethanol) | 491–495 nm |
| Absorptivity | Minimum 1345 |
| Absorbance ratio | 1.35–1.55 |
| Zinc (Zn) | 9–15% |
| Water solubility test | c = 1 mg/ml; colour orange to brown |
Applications
Used in microscopy and laboratory staining of nucleic acids and cellular material, including DNA and RNA staining procedures.