3-BENZYLIDENE-2,4-PENTANEDIONE
- CAS NO.：4335-90-4
- Empirical Formula: C12H12O2
- Molecular Weight: 188.22
- MDL number: MFCD00014990
- EINECS: 224-382-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:54:13
What is 3-BENZYLIDENE-2,4-PENTANEDIONE?
The Uses of 3-BENZYLIDENE-2,4-PENTANEDIONE
3-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 Description
3-Benzylidene-2,4-pentanedione (BPD) can be prepared by reacting benzaldehyde with 2,4-pentanedione in the presence of a base.
Properties of 3-BENZYLIDENE-2,4-PENTANEDIONE
| Melting point: | 169 °C |
| Boiling point: | 185-188 °C/15 mmHg (lit.) |
| Density | 1.081 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| Specific Gravity | 1.081 |
| BRN | 972849 |
| CAS DataBase Reference | 4335-90-4(CAS DataBase Reference) |
| EPA Substance Registry System | 2,4-Pentanedione, 3-(phenylmethylene)- (4335-90-4) |
Safety information for 3-BENZYLIDENE-2,4-PENTANEDIONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-BENZYLIDENE-2,4-PENTANEDIONE
New Products
2-Bromo-4-hydroxypyridine Dibenzoyl-L-tartaric acid Anhydrous (Resolution Reagent) Dibenzo[b,f][1,4]thiazepin-11(10H)-one 1,2,3,9-Tetrahydro-9-Methyl-4H-Carbazole-4-One Cis-Tosylate 1-(4-methoxyphenyl)-4-(4-Nitrophenyl)Piperazine (IT-1) 1-aminocyclobutanecarbonitrile hydrochloride AMINO-O-TOLYL-ACETIC ACID 1-Aminocyclobutanecarboxylic Acid Hydrochloride AMINO(2-BROMOPHENYL)ACETIC ACID 6-BROMOTETRAZOLO[1,5-A]PYRIDINE 3-Oxocyclobutanecarboxylic acid METHANOL-D1(OD) TERTIARY BUTANOL-D9 N-ETHYL-D5-AMINE HYDROCHLORIDE BENZOIC ACID-D CHLOROFORM-D TOLUENE-D3 2-(2-Bromophenyl)ethanol Boc-D-Glu(OMe)-OMe 2,5 Dibromopyridine Ethyl 4-hydroxy-3-oxobutanoate Dimethyl (2S)-2-((tert-butoxycarbonyl)amino)-4-(cyanomethyl)pentanedioate 1-(3-Chlorophenyl)piperazine hydrochlorideRelated products of tetrahydrofuran
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