Fluorescein 95%
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CAS :
2321-07-5
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REF :
25303
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| QUANTITY |
PRICE |
ENQUIRY |
|
25 gm |
Rs
340.00
|
|
|
100 gm |
Rs
890.00
|
|
|
1 kg |
Rs
7470.00
|
|
- Formula: C₂₀H₁₂O₅
- CAS: 2321-07-5
- EC No.: 219-031-8
- M (Molar Mass): 332.31 g/mol
- mp (Melting Point): 314-316°C (decomposes)
- Solubility: Very slightly soluble in water; soluble in alkali solutions
- Use: Fluorescent tracer, indicator
- Dye Content: ≥ 95.0%
- Appearance: Orange-red to dark red powder
- Identification (Fluorescence): Green fluorescence in alkaline solution
- Loss on Drying: ≤ 1.0%
- Sulfated Ash: ≤ 0.5%
- Heavy Metals (as Pb): ≤ 30 ppm
- Fluorescence: Strong green under UV (515 nm emission)
- Solubility in NaOH: ≥ 95% soluble
- Related Dyes (HPLC): ≤ 4.0%
- pH (saturated solution): 5.0-7.0
- Hazard: May be harmful if swallowed. Causes eye irritation.
- Safety: Wear protective gloves and eye protection.
- Storage: Store in tightly closed container at room temperature. Protect from light.