General Information
| Product Name |
Fluorescein |
| CAS Number |
2321-07-5 |
| Molecular Formula |
C20H12O5 |
| Molecular Weight |
332.31 |
| MDL Number |
MFCD00005050 |
| EC Number |
219-031-8 |
| Synonym |
3′,6′-Dihydroxyspiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 9-(o-carboxyphenyl)-6-hydroxy-3H-xanthen-3-one; 3′,6′-dihydroxyfluoran, 3′,6′-fluorandiol; 9-(o-carboxyphenyl)-6-hydroxy-3-isoxanthenone, resorcinolphthalein, D & C Yellow no. 7, C.I. Solvent Yellow 94 , C.I. 45350:1, C20H12O5, CAS 2321-07-5
|
Specification
| Grade |
Indicators
|
| Solubility In EtOH | passes test |
|---|
| Loss On Drying | ≤5% |
|---|
| Sulfated Ash | ≤0.3% |
|---|
| Lambda Max. | 490-493 nm λ(pH8.0) |
|---|
| Mass Absorptivity | ≥115 L/(cm·g) λ(pH8.0) |
|---|
| Sensitivity Test | passes test |
|---|
References
| Colour Index Number |
45350 |
| Merck Index(14) |
4159 |
| RTECS# |
LM5075000 |
Packaging Information
| Packaging |
25kg in carton drum (32cm*58cm)
1kg in foil bag (10cm*15cm) |
GHS
| Pictogram: |
 ![]()
|
| Signal Word: |
Warning |
| Hazard Statements: |
H319: Causes serious eye irritation. |
| Precautionary Statements: |
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing. |
Transport Information
| UN Number: |
|
| Class: |
|
| Packing Group |
|
| HS Number |
3204.90.0000 |
