Fluorescein disodium salt concentrate for examination of subterranean waters (Uranine AP) (C.I. 45350), Supelco®

Supplier: EMD MILLIPORE - AA – CORP

1.08462.0100 1.08462.1000
EM1.08462.0100CS 1324 USD
EM1.08462.0100 EM1.08462.1000
Fluorescein disodium salt concentrate for examination of subterranean waters (Uranine AP) (C.I. 45350), Supelco®
Fluorescein disodium salt
Formula: C₂₀H₁₀Na₂O₅
MW: 376.28 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00167039
CAS Number: 518-47-8
Merck Index: 13,04185
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Specification Test Results

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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