Fluorescein Sodium (C.I.45350) extra pure
ürün Kodu : 103992.1000Sorunuz!
103992.1000
Fluorescein sodium (C.I. 45350) extra pure
| Ürün bilgisi | |||
|---|---|---|---|
| Hill Formula | C20H10Na2O5 | ||
| HS Code | 3204 12 00 | ||
| EC number | 208-253-0 | ||
| Molar mass | 376.27 g/mol | ||
| CAS number | 518-47-8 | ||
| Kimyasal ve fiziksel veri | |||
|---|---|---|---|
| Solubility | 500 g/l (20 °C) | ||
| Melting point | >300 °C | ||
| Molar mass | 376.27 g/mol | ||
| Bulk density | 600 kg/m3 | ||
| pH value | 8.3 (10 g/l, H2O, 20 °C) | ||
| Güvenlik bilgisi | |||
|---|---|---|---|
| RTECS | LM5425000 | ||
| Storage class | 10 - 13 Other liquids and solids | ||
| WGK | WGK 1 slightly water endangering | ||
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
||
| Toksikolojik veri | |||
|---|---|---|---|
| LD 50 oral | LD50 rat 6720 mg/kg | ||
| Spesifikasyonlar | |
|---|---|
| Assay (gravimetrically; calc. on dried substance) | ≥ 98 % |
| Identity - UV/VIS-Spectrum |
passes test |
| - IR-spectrum | passes test |
| pH (20 g/l, water) | 7.0 - 9.0 |
| Absorption maximum λ max (buffer pH 8.0) | 490 - 492 nm |
| Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 8.0; calc. on dried substance) | ≥ 1950 |
| As (Arsenic) | ≤ 0.0002 % |
| Cd (Cadmium) | ≤ 0.001 % |
| Cu (Copper) | ≤ 0.01 % |
| Pb (Lead) | ≤ 0.002 % |
| Zn (Zinc) | ≤ 0.01 % |
| Acriflavine | passes test |
| TLC-Test | passes test |
| Loss on drying (110 °C) | ≤ 10 % |