Fluorescein

Post Date:
Aug 26,2017
Expiry Date:
Feb 22,2018
Detailed Description:
Cas No. :2321-07-5 Maximum absorption wave-length λ（PH8.0）:490-493 nm

Mass-absorption coefficient λ（PH8.0）L/cm·g: 200 min.

Ethanol soluble test: qualified

Sensitive test: qualified

Loss on drying: 5.0%max

Residue on ignition（as sulfate）: 0.3%max
CAS Registry Number:
2321-07-5
Synonyms:
;C.I. 45350:1;C.I. Solvent Yellow 94;Fluorescein [BAN:JAN];Fluorescein Free Acid;Fluorescein Acid;3,6-dihydroxyspiro[isobenzofuran-1(3H),9-xanthen]-3-one;2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid;C.I. 45350.1;
Molecular Formula:
C₂₀H₁₂O₅
Molecular Weight:
332.31
Molecular Structure:
Hazard Symbols:
Xi:Irritant;
Risk Codes:
R36:;
R43:;
Safety Description:
S26:;
S37/39:;

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