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78050-52-9

78050-52-9 structure
78050-52-9 structure

Name (2E)-1-(5-Bromo-2,4-dihydroxyphenyl)-3-(4-methoxyphenyl)-2-propen -1-one
Synonyms 5'-Brom-2',4'-dihydroxy-4-methoxy-chalkon
5-Brom-2,4-dihydroxy-3-methoxy-acetophenon
Density 1.539g/cm3
Boiling Point 536.3ºC at 760 mmHg
Molecular Formula C16H13BrO4
Molecular Weight 349.17600
Flash Point 278.2ºC
Exact Mass 348.00000
PSA 66.76000
LogP 3.76500
Index of Refraction 1.674

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UD5572860
CHEMICAL NAME :
2-Propen-1-one, 1-(5-bromo-2,4-dihydroxyphenyl)-3-(4-methoxyphenyl)-
CAS REGISTRY NUMBER :
78050-52-9
LAST UPDATED :
198909
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C16-H13-Br-O4
MOLECULAR WEIGHT :
349.20

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
270 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: 20,406,1986
HS Code 2914700090

~91%

78050-52-9 structure

78050-52-9

Literature: Yakovenko, V. I.; Oganesyan, E. T.; Dorofeenko, G. N. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 2 p. 115 - 118 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 2 p. 170 - 173
HS Code 2914700090
Summary HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%