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: 2023-04-23 13:52:06
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
4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID 4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Diclofenac Sodium IP/BP/EP/USP Mefenamic Acid IP/BP/EP/USP Ornidazole IP Diclofenac Potassium SODIUM AAS SOLUTION ZINC AAS SOLUTION BUFFER SOLUTION PH 10.0(BORATE) GOOCH CRUCIBLE SINTERED AQUANIL 5 BERYLLIUM AAS SOLUTION Methylcobalamin (vitamin B12) SODIUM METHYL PARABEN SODIUM VALPROATE AMOXICILLIN (AMOXYCILLIN) TRIHYDRATE ACICLOVIRRelated products of tetrahydrofuran
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