7559-81-1

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7559-81-1 Structure

Identification	Back Directory
[Name] (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE
[CAS] 7559-81-1
[Synonyms] Nsc10216 Kojic Impurity 4 CHLOROKOJIC ACID 2-(chloromethyl)-5-hydroxypyran-4-one 2-(chloromethyl)-5-hydroxy-4h-pyran-4-on (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE 4H-Pyran-4-one, 2-(chloromethyl)-5-hydroxy-
[Molecular Formula] C6H5ClO3
[MDL Number] MFCD00053592
[MOL File] 7559-81-1.mol
[Molecular Weight] 160.56

Chemical Properties	Back Directory
[Melting point ] 164-165°C
[Boiling point ] 321.9±42.0 °C(Predicted)
[density ] 1.514±0.06 g/cm3(Predicted)
[storage temp. ] 2-8°C, stored under nitrogen
[pka] 7.80±0.10(Predicted)
[Appearance] Off-white to yellow Solid
[Cosmetics Ingredients Functions] ANTI-SEBUM
[EPA Substance Registry System] 4H-Pyran-4-one, 2-(chloromethyl)-5-hydroxy- (7559-81-1)

Hazard Information	Back Directory
[Uses] 2-?(Chloromethyl)?-?5-?hydroxy-4H-?pyran-?4-?one is an intermediate in synthesizing Allo Maltol (A546700), the esters of 5-hydroxy-2-methyl-4H-pyran-4-one are used as novel tyrosinase inhibitors for skin-lightening cosmetic compositions.

Spectrum Detail	Back Directory
[Spectrum Detail] (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE(7559-81-1)¹HNMR

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