Hoja de especificación

Nombre del producto
Phthaldialdehyde for fluorescence, ≥99.0% (HPLC)

Referencia del producto
79760

Marca de producto
SIGMA

Número de CAS
643-79-8

Peso molecular
134.13

Ensayo

Especificación

APPEARANCE (COLOR)White to Light Yellow
APPEARANCE (FORM)Powder or Crystals
FREE CARBOXYLIC ACID (T)≤ 0.50 %
PURITY (HPLC AREA %)≥ 99.0 %
MELTING POINT54 - 56 C
SOLUBILITY (COLOR)Colorless to Green-Yellow
SOLUBILITY (TURBIDITY)Clear
SOLUBILITY (METHOD)0.5G IN 10ML ETHANOL
CARBON CONTENT71.63 % (THEORY)
HYDROGEN CONTENT4.51 % (THEORY)
INFRARED SPECTRUMCONFORMS TO STRUCTURE
EMISSION MAXIMUM450 nm +/- 10 nm
REMARKS ON LUMINESCENCEExc.: 340 nm in derivatisation buffer, upon coupling with glycine
SUITABILITY ASSAYsuitable for the fluorogenic derivatisation of amino acids
RECOMMENDED RETEST PERIOD28 MONTHS