3-(4-chlorophenoxy)-7-hydroxy-4h-1-benzopyran-4-on

Modify Date: 2025-09-21 19:10:28

3-(4-chlorophenoxy)-7-hydroxy-4h-1-benzopyran-4-on Structure
3-(4-chlorophenoxy)-7-hydroxy-4h-1-benzopyran-4-on structure
 Common Name 3-(4-chlorophenoxy)-7-hydroxy-4h-1-benzopyran-4-on
CAS Number 137987-94-1 Molecular Weight 288.68300
Density 1.48g/cm3 Boiling Point 456.7ºC at 760mmHg
Molecular Formula C15H9ClO4 Melting Point N/A
MSDS N/A Flash Point 230ºC

 Names

Name 3-(4-chlorophenoxy)-7-hydroxychromen-4-one

 Chemical & Physical Properties

Density 1.48g/cm3
Boiling Point 456.7ºC at 760mmHg
Molecular Formula C15H9ClO4
Molecular Weight 288.68300
Flash Point 230ºC
Exact Mass 288.01900
PSA 59.67000
LogP 3.94430
Vapour Pressure 5.85E-09mmHg at 25°C
Index of Refraction 1.67

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2978780
CHEMICAL NAME :
4H-1-Benzopyran-4-one, 3-(4-chlorophenoxy)-7-hydroxy-
CAS REGISTRY NUMBER :
137987-94-1
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C15-H9-Cl-O4
MOLECULAR WEIGHT :
288.69

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 25,816,1991

 Safety Information

HS Code 2932999099

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
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Chemsrc provides CAS#:137987-94-1 MSDS, density, melting point, boiling point, structure, etc. Its name is 3-(4-chlorophenoxy)-7-hydroxy-4h-1-benzopyran-4-on>> amp version: 3-(4-chlorophenoxy)-7-hydroxy-4h-1-benzopyran-4-on

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