- Min.Order :25 Kilogram
- Purity: AR Grade
- Payment Terms : L/C,D/A,D/P,T/T,
Keywords
Fluorescein free acid PH Indicators Chemical reagent
Quick Details
- Appearance:Orange-red Crystalline Powder
- Application:It is used as an indicator or dye. Also it is the intermediate of Merbromin.
- PackAge:500g/ 1kg, 5kg, 10kg, 25kg/ drum
- ProductionCapacity:500|Kilogram|Month
- Storage:Store in a tightly closed container. Store in a cool, dry, well-ventilated area, away from light.
- Transportation:Air, Sea, Express
Superiority:
1. AR Grade.
2. Appearance: Orange-red Crystalline Powder
Details:
| CAS NO.: | 2321-07-5 |
| Product Code: | FLU05 |
| Synonyms: | KI201; Eosin; angiofluor; Acid Yellow 73; Fluorecein; YELLOW 7; Fluorescein; Fluorescein (free acid); 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one; |
| Formula: | C20H12O5 |
| Molecular Weight: | 332.306 |
| Properties | |
| Appearance: | Orange-red Crystalline Powder |
| Density: | 1.6 g/cm3 |
| Melting Point: | 314-316ºC |
| Boiling Point: | 620.8ºC at 760 mmHg |
| Flash Point: | 232.6ºC |
| Water Solubility: | Insoluble |
| Stability: | Combustible. Incompatible with strong oxidizing agents. |
| Safty Info | |
| Safety Statements: | S26-S37/39 |
| HS Code: | 3204200000 |
| WGK Germany: | 3 |
| Packing Group: | I; II; III |
| Risk Statements: | R36;R43 |
| Hazard Codes: | Xn:Harmful |
| Use & Storage | |
| Use: | It is used as an indicator or dye. Also it is the intermediate of Merbromin. |
| Storage: | Store at RT. |
| COA | |
| Appearance | Orange-red Crystalline Powder |
| Mass Absorption Wavelength λ（PH8.0), (nm) | 490-493 |
| Mass Absorption Coefficient λ（PH8.0), (L/ cm. g) | ≥200 |
| Loss on Drying | ≤ 5.0 % |
| Residue on Ignition | ≤ 0.30 % |
| Ethanol Dissolution | Passed |
| Sensitivity Test | Passed |
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