3-BENZYLIDENE-2,4-PENTANEDIONE

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Products Intro: Product Name:3-BENZYLIDENE-2,4-PENTANEDIONE
CAS:4335-90-4
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Products Intro: Product Name:3-Benzylidene-2,4-pentanedione
CAS:4335-90-4
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CAS:4335-90-4
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Products Intro: Product Name:3-Benzylidene-2,4-pentanedione
CAS:4335-90-4
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3-BENZYLIDENE-2,4-PENTANEDIONE Basic information
Product Name:3-BENZYLIDENE-2,4-PENTANEDIONE
Synonyms:3-(phenylmethylidene)pentane-2,4-dione;3-Benzylidenepentane-2,4-Dione;3-BENZYLIDENE-2,4-PENTANEDIONE;3-Benzylidine-2,4-pentanedione;(2,2-diacetylvinyl)benzene;1,1-Diacetyl-2-phenylethylene;2,4-Pentanedione, 3-(phenylmethylene)-;2,4-Pentanedione, 3-benzylidene-
CAS:4335-90-4
MF:C12H12O2
MW:188.22
EINECS:224-382-5
Product Categories:Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;C11 to C12;Building Blocks;C11 to C12;Carbonyl Compounds;Ketones
Mol File:4335-90-4.mol
3-BENZYLIDENE-2,4-PENTANEDIONE Structure
3-BENZYLIDENE-2,4-PENTANEDIONE Chemical Properties
Melting point 169 °C
Boiling point 185-188 °C/15 mmHg (lit.)
density 1.081 g/mL at 25 °C (lit.)
refractive index n20/D 1.583(lit.)
Fp >230 °F
form liquid
Specific Gravity1.081
BRN 972849
CAS DataBase Reference4335-90-4(CAS DataBase Reference)
EPA Substance Registry System2,4-Pentanedione, 3-(phenylmethylene)- (4335-90-4)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
WGK Germany 3
RTECS SA1930000
TSCA Yes
HS Code 2914390090
Toxicitymouse,LD50,intravenous,56mg/kg (56mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#08898,
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
3-BENZYLIDENE-2,4-PENTANEDIONE Usage And Synthesis
Uses3-Benzylidene-2,4-pentanedione may be used in the preparation of:
  • Five membered cyclic oxyphosphoranes by reacting with phosphonite esters.
  • 5-Hydroxy-N-substituted-2H-pyrrol-2-ones by reacting with alkyl isocyanides.
  • 3-Benzylidene-2,4-bis (trimethylsilyloxy)-1,4-pentadiene via trimethylsilylation.

Synthesis Reference(s)Synthetic Communications, 26, p. 3025, 1996 DOI: 10.1080/00397919608004607
General Description3-Benzylidene-2,4-pentanedione (BPD) can be prepared by reacting benzaldehyde with 2,4-pentanedione in the presence of a base.
3-BENZYLIDENE-2,4-PENTANEDIONE Preparation Products And Raw materials
Preparation Productstrans,trans-Dibenzylideneacetone
Tag:3-BENZYLIDENE-2,4-PENTANEDIONE(4335-90-4) Related Product Information
BINDONE 3-BENZYLIDENE-2,4-PENTANEDIONE 2-(1-NAPHTHYLMETHYLENE)-1H-INDENE-1,3(2H)-DIONE 2-((4-CHLOROPHENYL)METHYLENE)INDANE-1,3-DIONE 2-(BENZO[3,4-D]1,3-DIOXOLEN-5-YLMETHYLENE)INDANE-1,3-DIONE 2-(((2-(3,4-DIMETHOXYPHENYL)ETHYL)AMINO)(4-METHOXYPHENYL)METHYLENE)INDANE-1,3-DIONE 3-(1,3-BENZODIOXOL-5-YLMETHYLENE)-2,4-PENTANEDIONE 2-((6-NITROBENZO[3,4-D]1,3-DIOXOLEN-5-YL)METHYLENE)INDANE-1,3-DIONE 2-((4-(ISOPROPYL)PHENYL)METHYLENE)INDANE-1,3-DIONE 2-(PHENYL(2-PHENYLHYDRAZINO)METHYLENE)INDANE-1,3-DIONE 2-(PHENYLMETHYLENE)-1H-INDENE-1,3(2H)-DIONE 2-(PHENYL((4-(TRIFLUOROMETHOXY)PHENYL)AMINO)METHYLENE)INDANE-1,3-DIONE 2-(2-HYDROXYBENZYLIDENE)INDANE-1,3-DIONE 2-((3-PHENOXYPHENYL)METHYLENE)INDANE-1,3-DIONE 2-((4-TRIFLUOROMETHOXYPHENYL)METHYLENE)INDANE-1,3-DIONE 2-(((2-(3,4-DIMETHOXYPHENYL)ETHYL)AMINO)PHENYLMETHYLENE)INDANE-1,3-DIONE 2-((2-NITROPHENYL)METHYLENE)INDANE-1,3-DIONE 2-((4,5-DIMETHOXY-2-NITROPHENYL)METHYLENE)INDANE-1,3-DIONE