Fluoresceina sodowa C.I. 45350, EssentQ® ekstra czysta – Scharlau
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Fluorescein sodium, C.I. 45350, EssentQ®
– Synonyms: 3′,6′-Dihydroxyspiro-[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, Resorcinolphthalein
– C20H10Na2O5
– M = 376,28 g/mol
– CAS [518-47-8]
– EINECS-No.: 208-253-0
– Solub. in water: (20 ºC): 500 g/l
– Melting point: > 360 ºC
– LD 50 (oral, rat): 6721 mg/kg
– GHS-signal word: Warning
– GHS-H sentences: H312 – H332
– GHS-P sentences: P261 – P280 – P322 – P304+P340 – P363 – P501a
– Tariff number: 3204 90 00 00
– Applications: analytical chemistry, indicator.
SPECIFICATIONS
assay (on dried sample): min. 85 %
identity (IR-spectrum): passes test
Absorption maximum l (in H2O): 488 – 491 nm
arsenic (As): max. 0,005 %
cadmium (Cd): max. 0,05 %
copper (Cu): max. 0,01 %
lead (Pb): max. 0,01 %
loss on drying (110 ºC): max. 10 %
