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7559-81-1

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7559-81-1 Structure

7559-81-1 Structure
IdentificationBack 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 PropertiesBack 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)
Safety DataBack Directory
[Risk Statements ]

36/37/38
[Safety Statements ]

26-36/37/39
[TSCA ]

TSCA listed
[HS Code ]

2932990090
Hazard InformationBack 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 DetailBack Directory
[Spectrum Detail]

(2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE(7559-81-1)1HNMR
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