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1.08462 Supelco

Uranine AP (C.I. 45350)

concentrated for the examination of subterranean waters

Synonym: Uranine AP (C.I. 45350)

  • CAS Number 518-47-8

  • Empirical Formula (Hill Notation) C20H10Na2O5

  • Molecular Weight 376.27

  •  MDL number MFCD00167039

  •  EC Index Number 208-253-0

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Properties

Quality Level   200
potency   6720 mg/kg LD50, oral (Rat)
pH   8.3 (20 °C, 10 g/L in H2O)
mp   >300 °C
solubility   500 g/L
bulk density   600 kg/m3
InChI   1S/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
InChI key   NJDNXYGOVLYJHP-UHFFFAOYSA-L
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Appearance: Reddish-brown powder, eventually with granular and bright parts.
Absorption maximum λmax. (buffer pH 8.0): 489 - 491 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 8.0; calc. on dried substance): ≥ 1800
Loss on drying (110 °C): ≤ 7 %

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