Specification Sheet

Product Name
Tetramethylrhodamine isothiocyanate mixed isomers suitable for fluorescence, mixture of isomers

Product Number
87918

Product Brand
SIGMA

CAS Number
95197-95-8

Molecular Weight
443.52

Test

Specification

APPEARANCE (COLOR)Purple to Very Dark Purple and Pink
APPEARANCE (FORM)Powder or Crystals
CARBON CONTENT67.70 % (THEORY)
HYDROGEN CONTENT4.77 % (THEORY)
NITROGEN CONTENT9.47 % (THEORY)
INFRARED SPECTRUMCONFORMS TO STRUCTURE
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
WAVELENGTH (1) (UV)542 - 552 nm
EXTINCTION (1%/1CM) (1) (UV)--
SOLVENT (UV)NAOH 0.1M
EMISSION MAXIMUM596 ± 15 NM
REMARKS ON LUMINESCENCEEXC.: 529 NM IN DMSO
RECOMMENDED RETEST PERIOD16 MONTHS

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