Eozyna Y (zółtawa) (C.I. 45380) do mikroskopii – Scharlau
Additional information
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POBIERZ KARTĘ PRODUKTU
POBIERZ KARTĘ POZIOMU JAKOŚCI
POBIERZ KARTĘ CHARAKTERYSTYKI PRODUKTU
PRODUCENT: SCHARLAB
Eosin yellowish, C.I. 45380,
– Synonyms: 2′,4′,5′,7′-Tetrabromofluorescein, Eosin Y
– C20H6Br4Na2O5
– M = 691,86 g/mol
– CAS [17372-87-1]
– EINECS-No.: 241-409-6
– Solub. in water: (20 ºC): 300 g/l
– LD 50 (oral, rat): 4700 mg/kg
– GHS-signal word: Warning
– GHS-H sentences: H302 – H312 – H332
– GHS-P sentences: P261 – P280 – P322 – P304+P340 – P363 – P501a
– Tariff number: 3204 12 00 90
– Applications: analytical chemistry, indicator, for spectrophotometric determinations (for determination of: silver), for biology, microscopy.
SPECIFICATIONS
assay (gravimetric): min. 88 %
Absorption maximum l (in H2O): 515 – 518 nm
Absorptivity (A1%/1 cm; 0,0005 % l max, H2O): 1200 – 1400
related substances (TLC): passes test
suitability for microscopy: passes test
loss on drying (110 ºC): max. 8 %
