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Purity:99%
Synonyms:
C.I. Fluorescent Brightener 140， C.I. Fluorescent Brightener 52
Coumarin 1，Coumarain 47，Coumarin I.
Formula: C14H17NO2
Molecular Weight: 231.32
Specification:
Appearance: off-white to light yellow crystalline powder
Assay by HPLC:99.0%min.
Melting point:70-75℃
Ash:0.1% max
Volatile matter:0.5%max.
Packing: in net 25kgs drum.
Usage: It is applied to whitening, brightening of wool, silk, nylon and other fibers and fur ,and also suitable for plastic whitening and brightening.
Conditions for safe storage: Keep container tightly closed in a dry and well-ventilated place.
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