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13057-72-2

13057-72-2 structure
13057-72-2 structure

Name 7-hydroxyisoflavone
Synonyms Isoflavone,7-hydroxy-(6CI,7CI,8CI)
4H-1-Benzopyran-4-one, 7-hydroxy-3-phenyl-
7-hydroxy-isoflavone
7-Hydroxyisoflavone
7-Hydroxy-3-phenyl-chromen-4-one
7-hydroxy-3-phenyl-4H-1-benzopyran-4-one
7-hydroxy-3-phenylchromen-4-one
MFCD00017701
7-Hydroxy-3-phenyl-4H-chromen-4-one
4H-1-Benzopyran-4-one,7-hydroxy-3-phenyl
Density 1.3±0.1 g/cm3
Boiling Point 450.1±45.0 °C at 760 mmHg
Melting Point 214.0 to 218.0 °C
Molecular Formula C15H10O3
Molecular Weight 238.238
Flash Point 176.3±22.2 °C
Exact Mass 238.062988
PSA 50.44000
LogP 3.02
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.666

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ3100255
CHEMICAL NAME :
4H-1-Benzopyran-4-one, 7-hydroxy-3-phenyl-
CAS REGISTRY NUMBER :
13057-72-2
BEILSTEIN REFERENCE NO. :
0193534
LAST UPDATED :
199612
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C15-H10-O3
MOLECULAR WEIGHT :
238.25

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GWXXBX German Offenlegungsschrift Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #3415394
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GWXXBX German Offenlegungsschrift Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #3415394
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2430 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
KHFZAN Khimiko-Farmatsevticheskii Zhurnal. Chemical Pharmaceutical Journal. For English translation, see PCJOAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1967- Volume(issue)/page/year: 24(9),38,1990
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GWXXBX German Offenlegungsschrift Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #3415394
Hazard Codes Xn
Risk Phrases 22-36/37/38
Safety Phrases 26-37/39
RTECS DJ3100255
HS Code 2914400090
HS Code 2914400090
Summary 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%