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Optical Brightener SWN (C.I .140) 7-(diethylamino)-4-methyl-coumarin CAS:91-44-1
Product Name: Optical Brightener SWN (C.I .140)
Identification
Synonyms 7-(diethylamino)-4-methyl-coumarin
Molecular Formula C14H17NO2
Molecular Weight 231.29
CAS Number 91-44-1
EINECS/ELINCS 202-068-9
Properties
Appearance White to light brown crystalline powder
Melting Point 70-74ºC
Item |
Specification |
Apperance: |
White to light brown crystalline powder |
Melting point: |
70-74ºC |
Ash: |
0.5%max |
Max.absorption wavelength: |
375nm(in ethanol) |
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