5-chloro-6-hydroxy-3,4-dimethyl-8-oxo-3,4-dihydroisochromene-7-carboxylic acid

Modify Date: 2024-04-04 18:49:41

5-chloro-6-hydroxy-3,4-dimethyl-8-oxo-3,4-dihydroisochromene-7-carboxylic acid Structure
5-chloro-6-hydroxy-3,4-dimethyl-8-oxo-3,4-dihydroisochromene-7-carboxylic acid structure
Common Name 5-chloro-6-hydroxy-3,4-dimethyl-8-oxo-3,4-dihydroisochromene-7-carboxylic acid
CAS Number 144833-96-5 Molecular Weight 270.66600
Density 1.53g/cm3 Boiling Point 433.8ºC at 760mmHg
Molecular Formula C12H11ClO5 Melting Point N/A
MSDS N/A Flash Point 216.2ºC

 Names

Name 5-chloro-6-hydroxy-3,4-dimethyl-8-oxo-3,4-dihydroisochromene-7-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.53g/cm3
Boiling Point 433.8ºC at 760mmHg
Molecular Formula C12H11ClO5
Molecular Weight 270.66600
Flash Point 216.2ºC
Exact Mass 270.03000
PSA 83.83000
LogP 1.89740
Vapour Pressure 2.4E-09mmHg at 25°C
Index of Refraction 1.618

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2270480
CHEMICAL NAME :
3H-2-Benzopyran-7-carboxylic acid, 4,6-dihydro-5-chloro-3,4-dimethyl-8-hydroxy-6-oxo-
CAS REGISTRY NUMBER :
144833-96-5
LAST UPDATED :
199506
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C12-H11-Cl-O5
MOLECULAR WEIGHT :
270.68

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>8 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JKXXAF Japanese Kokai Tokyo Koho Patents. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #92-69337

 Synonyms

4,6-Dihydro-5-chloro-3,4-dimethyl-8-hydroxy-6-oxo-3H-2-benzopyran-7-carboxylic acid
3H-2-Benzopyran-7-carboxylic acid,5-chloro-4,6-dihydro-8-hydroxy-3,4-dimethyl-6-oxo
3H-2-Benzopyran-7-carboxylic acid,4,6-dihydro-5-chloro-3,4-dimethyl-8-hydroxy-6-oxo
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