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Merck

Specification Sheet

Product Name
(2,3-Difluorophenyl)thiourea 97%

Product Number
654833

Product Brand
aldrich

CAS Number
572889-25-9

Molecular Weight
188.20

Test

Specification

APPEARANCEWHITE TO TAN POWDER, CRYSTALS OR CRYSTALLINE
 POWDER AND/OR CHUNKS
INFRARED SPECTRUMCONFORMS TO STRUCTURE.
ELEMENTAL ANALYSISCARBON 43.1% - 46.2%
 NITROGEN 14.3% - 15.3%
 SULFUR 16.4% - 17.7%
HIGH PRESSURE LIQUID96.5% (MINIMUM)
 APPROVED MARCH 9, 2005 BTR