| | Identification | Back Directory |  | [Name] 
 2,4,5-TRIHYDROXYBUTYROPHENONE
 |  | [CAS] 
 1421-63-2
 |  | [Synonyms] 
 THBP
 THSP
 usafek
 USAF ek
 WLN: QR BQ DQ EV3
 2,4,5-TRIHYDROXYBUTYROPHENONE
 2’,4’,5’-trihydroxy-butyrophenon
 2',4',5'-TRIHYDROXYBUTYROPHENONE
 Butyrophenone, 2',4',5'-trihydroxy-
 1-(2,4,5-trihydroxyphenyl)-1-butanon
 2',4',5'-Trihydroxybutyrophenone,98%
 1-(2,4,5-trihydroxyphenyl)butan-1-one
 1-(2,4,5-Trihydroxyphenyl)-1-butanone
 1-Butanone, 1-(2,4,5-trihydroxyphenyl)-
 2,4,5-Trihydroxybutyrophenone Solution in Acetonitrile, 1000μg/mL
 1-(2,4,5-Trihydroxyphenyl)butan-1-one at 1000 μg/mL in Acetonitrile
 1-(2,4,5-Trihydroxyphenyl)butan-1-one, 5-Butanoylbenzene-1,2,4-triol
 |  | [EINECS(EC#)] 
 215-824-8
 |  | [Molecular Formula] 
 C10H12O4
 |  | [MDL Number] 
 MFCD00020019
 |  | [MOL File] 
 1421-63-2.mol
 |  | [Molecular Weight] 
 196.2
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 151-152 °C
 |  | [Boiling point ] 
 293.08°C (rough estimate)
 |  | [density ] 
 1.2166 (rough estimate)
 |  | [refractive index ] 
 1.5480 (estimate)
 |  | [form ] 
 solid
 |  | [pka] 
 7.72±0.25(Predicted)
 |  | [color ] 
 Tan
 |  | [LogP] 
 1.872 (est)
 |  | [Uses] 
 1-(2,4,5-TRIHYDROXYPHENYL)-1-BUTANONE (THBP) is an antioxidant that is used alone or in combination with other permitted antioxidants. The total antioxidant content of a food containing the additive will not exceed 0.02% of the oil or fat content of the food, including the essential (volatile) oil content of the food.
 |  | [EPA Substance Registry System] 
 2,4,5-Trihydroxybutyrophenone (1421-63-2)
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 Yellow-tan crystals.Mp149–153C, bulk
d 6.0 lb/gal (20C). Very slightly soluble in water;
soluble in alcohol and propylene glycol.
 |  | [Definition] 
 ChEBI: 1-(2,4,5-Trihydroxyphenyl)-1-butanone is an aromatic ketone.
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 Xi
 |  | [Risk Statements ] 
 43
 |  | [Safety Statements ] 
 24-37
 |  | [RIDADR ] 
 UN  2811  6.1/PG  3
 |  | [RTECS ] 
 EU5425000
 |  | [Hazard Note ] 
 Irritant
 |  | [HS Code ] 
 2914500090
 |  | [Safety Profile] 
 Poison by
intraperitoneal route. Mutation data
reported. When heated to decomposition it
emits acrid smoke and irritating fumes. See
also KETONES.
 |  | [Hazardous Substances Data] 
 1421-63-2(Hazardous Substances Data)
 |  | [Toxicity] 
 mouse,LD50,intraperitoneal,200mg/kg (200mg/kg),National Technical Information Service.  Vol. AD277-689,
 | 
 |  |