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Merck
CN

Specification Sheet

Product Name
Naphthofluorescein suitable for fluorescence

Product Number
70420

Product Brand
SIGMA

CAS Number
61419-02-1

Molecular Weight
432.42

Test

Specification

APPEARANCE (COLOR)DEEP BROWN TO RED-BROWN OR VIOLET
APPEARANCE (FORM)Powder
PURITY (HPCE AREA %)≥ 95.0 %
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EMISSION MAXIMUM663 ± 5 nm
REMARKS ON LUMINESCENCEEXC.: 594 NM IN 0.1 M TRIS PH 9.0