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Merck
CN

Specification Sheet

Product Name
Butein analytical standard

Product Number
72795

Product Brand
sial

CAS Number
487-52-5

Molecular Weight
272.25

Test

Specification

APPEARANCE (COLOR)Light Yellow to Dark Yellow and Light Orange to Dark Orange and Yellow-Orange and Orange-Yellow
APPEARANCE (FORM)Powder
PURITY (HPLC AREA %)≥ 98.0 %
WATER≤ 10% (calculated from elemental analysis)
CARBON CONTENT66.18% (Theory)
HYDROGEN CONTENT4.44% (Theory)
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
EXPIRY PERIOD36 MONTHS