4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy-

Modify Date: 2025-08-27 09:01:29

4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy- Structure
4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy- structure
 Common Name 4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy-
CAS Number 7559-81-1 Molecular Weight 160.55500
Density 1.514g/cm3 Boiling Point 321.9ºC at 760 mmHg
Molecular Formula C6H5ClO3 Melting Point 164-165ºC
MSDS N/A Flash Point 148.5ºC

 Names

Name 2-(chloromethyl)-5-hydroxypyran-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.514g/cm3
Boiling Point 321.9ºC at 760 mmHg
Melting Point 164-165ºC
Molecular Formula C6H5ClO3
Molecular Weight 160.55500
Flash Point 148.5ºC
Exact Mass 159.99300
PSA 50.44000
LogP 1.08420
Index of Refraction 1.576

 Safety Information

Risk Phrases 36/37/38
Safety Phrases 26-36/37/39

 Synthetic Route

kojic acid structure

kojic acid

CAS#:501-30-4

~99%

4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy- Structure

4H-Pyran-4-one,...

CAS#:7559-81-1

Literature: SHIONOGI and CO., LTD. Patent: EP1422218 A1, 2004 ; Location in patent: Page 211 ;
kojic acid structure

kojic acid

CAS#:501-30-4

Thionyl chloride structure

Thionyl chloride

CAS#:7719-09-7

~70%

4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy- Structure

4H-Pyran-4-one,...

CAS#:7559-81-1

Literature: AMOREPACIFIC CORPORATION Patent: WO2004/836 A1, 2003 ; Location in patent: Page 9 ; WO 2004/000836 A1

 Synonyms

5-hydroxy-2-(chloromethyl)-4H-pyrane-4-one
chlorokojic acid
2-(Chloromethyl)-5-hydroxy-4H-pyran-4-one
4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy
6-Chloromethyl-3-hydroxy-pyran-4(1H)-one
2-chloromethyl-5-hydroxy-pyran-4-one
2-(3-IODO-BENZYL)-PENTANEDIOIC ACID.
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Chemsrc provides CAS#:7559-81-1 MSDS, density, melting point, boiling point, structure, etc. Its name is 4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy->> amp version: 4H-Pyran-4-one,2-(chloromethyl)-5-hydroxy-

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