2',4',3,4-Tetrahydroxy chalcone

Modify Date: 2025-08-24 23:53:34

2',4',3,4-Tetrahydroxy chalcone Structure
2',4',3,4-Tetrahydroxy chalcone structure
 Common Name 2',4',3,4-Tetrahydroxy chalcone
CAS Number 21849-70-7 Molecular Weight 272.253
Density 1.5±0.1 g/cm3 Boiling Point 560.9±50.0 °C at 760 mmHg
Molecular Formula C15H12O5 Melting Point N/A
MSDS N/A Flash Point 307.1±26.6 °C

 Names

Name butein
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 560.9±50.0 °C at 760 mmHg
Molecular Formula C15H12O5
Molecular Weight 272.253
Flash Point 307.1±26.6 °C
Exact Mass 272.068481
PSA 97.99000
LogP 2.66
Vapour Pressure 0.0±1.6 mmHg at 25°C
Index of Refraction 1.748

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UD5574130
CHEMICAL NAME :
2-Propen-1-one, 1-(2,4-dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)-
CAS REGISTRY NUMBER :
21849-70-7
LAST UPDATED :
198909
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C15-H12-O5
MOLECULAR WEIGHT :
272.27

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 :
610 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

 Safety Information

Safety Phrases 22-24/25

 Synonyms

2-Propen-1-one, 1-(2,4-dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)-
3,4,2',4'-tetrahydroxychalcone
2',3,4,4'-tetrahydroxychalcone
2',4',3,4-Tetrahydroxy chalcone
1-(2,4-Dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)-2-propen-1-one
2',3,4,4'-tetrahydrochalcone
2',4',3,4-tetrahydroxychalcone
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