Fluorescein disodium salt concentrate for examination of subterranean waters (Uranine AP) (C.I. 45350)
Supplier: Merck
Ratings:
(No Reviews)
Total Ratings: 0
Avg. Ratings: 0.0 out of 5
Synonyms:
Yellow No. 8
, 2-(6-hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid disodium salt
, Disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate
, 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, disodium salt
, Acid Yellow 73
, Fluorescein sodium salt
M-Clarity™ quality level = MQ200
1.08462.0100EA
97.2
GBP
1.08462.0100
1.08462.1000
Fluorescein disodium salt concentrate for examination of subterranean waters (Uranine AP) (C.I. 45350)
Fluorescein disodium salt
Formula:
C₂₀H₁₀Na₂O₅ MW: 376.28 g/mol Melting Pt: > 300 °C Density: 1.601 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00167039 CAS Number: 518-47-8 EINECS: 208-253-0 Merck Index: 13,04185 |
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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