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Merck 103887 Fluorescein sodium (C.I. 45350) indicator Reag. Ph Eur 250 gr

Marka
Stok Kodu
LB.M.1038870250
Kısa Bilgi
CAS Number: 518-47-8 EC Number: 208-253-0 Molar Mass: 376.27 g/mol Hill Formula: C₂₀H₁₀Na₂O₅ Grade: Reag. Ph Eur
Bilgi
CAS Number: 518-47-8
Merck 103887 Fluorescein sodium (C.I. 45350) indicator Reag. Ph Eur 250 gr
Catalogue Number 103887
Merck 103887 Fluorescein sodium (C.I. 45350) indicator Reag. Ph Eur
Product Information
CAS number 518-47-8
EC number 208-253-0
Grade Reag. Ph Eur
Hill Formula C₂₀H₁₀Na₂O₅
Molar Mass 376.27 g/mol
HS Code 3212 90 90
Structure formula Image Structure formula Image
Quality Level MQ200
Physicochemical Information
Density 0.78 g/cm3 (699.7 hPa, 29.6 °C)
Flash point 217.6 °C
Melting Point 313 - 317 °C
pH value 8.36 (H₂O, 32 °C)
Bulk density 600 kg/m3
Solubility 500 g/l
Toxicological Information
LD 50 oral LD50 Rat 6720 mg/kg
Safety Information according to GHS
RTECS LM5425000
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
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.
Storage and Shipping Information
Storage Store at +2°C to +30°C.
Specifications
Appearance Redishbrown powder, eventually with granular and bright parts.
Identity (UV/VIS-Spectrum) passes test
Identity (IR-spectrum) passes test
Absorption maximum λmax. (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) ≥ 1850
Loss on drying (110 °C) ≤ 10 %
Suitability as indicator (Adsorption indicator for argentometry) passes test
Global Trade Item Number
Catalogue Number GTIN
1038870050 04022536959320
1038870250 04022536959818
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Merck 103887 Fluorescein sodium (C.I. 45350) indicator Reag. Ph Eur 250 gr CAS Number: 518-47-8 EC Number: 208-253-0 Molar Mass: 376.27 g/mol Hill Formula: C₂₀H₁₀Na₂O₅ Grade: Reag. Ph Eur LB.M.1038870250
Merck 103887 Fluorescein sodium (C.I. 45350) indicator Reag. Ph Eur 250 gr

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