FLUORESCEIN SODIUM (C.I. 45350) INDICATOR REAG. PH EUR

Code: 1038870050 D2-231

Analysis Note

Appearance: Redishbrown powder, eventually with granular and bright parts.Identity (UV/VIS-Spectrum): passes testIdentity (IR-spectrum): passes testAbsorption m...


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Analysis Note

Appearance: Redishbrown powder, eventually with granular and bright parts.Identity (UV/VIS-Spectrum): passes testIdentity (IR-spectrum): passes testAbsorption maximum λmax. (buffer pH 8.0): 490 - 492 nmSpec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 8.0; calc. on dried substance): ≥ 1850Loss on drying (110 °C): ≤ 10 %Suitability as indicator (Adsorption indicator for argentometry): passes test

Packaging

50, 250 g in Glass bottle

λmax490-492 nm (buffer pH 8.0)
agencyreag. Ph. Eur.
bulk density600 kg/m3
colorred-brown
formpowder
InChI keyNJDNXYGOVLYJHP-UHFFFAOYSA-L
InChI1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24;;/h1-10,21H,(H,23,24);;/q;2*+1/p-2
loss≤10% loss on drying, 110°C
mp>300 °C
pH8.3 (20 °C, 10 g/L in H2O)
potency6720 mg/kg LD50, oral (Rat)
Quality Level200
solubility500 g/L
storage temp.2-30°C
Cas Number518-47-8
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