ChemicalBook >> CAS DataBase List >>3-BENZYLIDENE-2,4-PENTANEDIONE
3-BENZYLIDENE-2,4-PENTANEDIONE
- CAS No.
- 4335-90-4
- Chemical Name:
- 3-BENZYLIDENE-2,4-PENTANEDIONE
- Synonyms
- Benzalacetylacetone;Benzylidene acetylacetone;(2,2-diacetylvinyl)benzene;3-Benzylideneacetylacetone;3-benzylidene-4-pentanedione;(2-benzylidene)acetylacetone;1,1-Diacetyl-2-phenylethylene;3-Benzylidine-2,4-pentanedione;3-BENZYLIDENE-2,4-PENTANEDIONE;3-Benzylidenepentane-2,4-Dione
- CBNumber:
- CB5697560
- Molecular Formula:
- C12H12O2
- Molecular Weight:
- 188.22
- MDL Number:
- MFCD00014990
- MOL File:
- 4335-90-4.mol
- MSDS File:
- SDS
Last updated:2026-05-28 01:54:13
| Product description | Number | Pack Size | Price |
| 3-BENZYLIDENE-2,4-PENTANEDIONE AldrichCPR | S620335 | 1 unit | $32.7 |
| 3-BENZYLIDENE-2,4-PENTANEDIONE Aldrich | S620335 | 250mg | $29.8 |
| 3-Benzylidene-2,4-pentanedione 97% | 544418 | 5g | $52.8 |
| 3-Benzylidene-2,4-pentanedione 97% | OR451308 | 5g | $55 |
| 3-Benzylidene-2,4-pentanedione 97% | OR451308 | 25g | $169 |
| 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 |
| storage temp. | Storage temp. 2-8°C |
| form | liquid |
| Specific Gravity | 1.081 |
| Appearance | Light yellow to yellow Liquid |
| BRN | 972849 |
| InChI | 1S/C12H12O2/c1-9(13)12(10(2)14)8-11-6-4-3-5-7-11/h3-8H,1-2H3 |
| InChIKey | NYRGMNMVISROGJ-UHFFFAOYSA-N |
| SMILES | CC(=O)\C(=C\c1ccccc1)C(C)=O |
| CAS DataBase Reference | 4335-90-4(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| EPA Substance Registry System | 2,4-Pentanedione, 3-(phenylmethylene)- (4335-90-4) |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | Eyeshields, Gloves, type ABEK (EN14387) respirator filter | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | SA1930000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2914390090 | |||||||||
| Storage Class | 10 - Combustible liquids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| Toxicity | mouse,LD50,intravenous,56mg/kg (56mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#08898, | |||||||||
| NFPA 704 |
|
3-BENZYLIDENE-2,4-PENTANEDIONE price More Price(14)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | S620335 | 3-BENZYLIDENE-2,4-PENTANEDIONE AldrichCPR | 4335-90-4 | 1 unit | $32.7 | 2026-04-30 | Buy |
| Sigma-Aldrich | S620335 | 3-BENZYLIDENE-2,4-PENTANEDIONE Aldrich | 4335-90-4 | 250mg | $29.8 | 2024-03-01 | Buy |
| Sigma-Aldrich | 544418 | 3-Benzylidene-2,4-pentanedione 97% | 4335-90-4 | 5g | $52.8 | 2023-06-20 | Buy |
| Apolloscientific | OR451308 | 3-Benzylidene-2,4-pentanedione 97% | 4335-90-4 | 5g | $55 | 2026-06-04 | Buy |
| Apolloscientific | OR451308 | 3-Benzylidene-2,4-pentanedione 97% | 4335-90-4 | 25g | $169 | 2026-06-04 | Buy |
3-BENZYLIDENE-2,4-PENTANEDIONE Chemical Properties,Uses,Production
Uses
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.
3-BENZYLIDENE-2,4-PENTANEDIONE Preparation Products And Raw materials
3-BENZYLIDENE-2,4-PENTANEDIONE Suppliers
Global( 62)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Blocksynth Pharmaceutical Technology Co.,Ltd | 0086-19817745290; +8619817745290 | bd@blocksynth.com | China | 5973 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52705 | 58 |
| GIHI CHEMICALS CO.,LIMITED | +86-571-86217390; +8618058761490 | info@gihichemicals.com | China | 49969 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 | |
| Qingdao Dexin Chemical Co., Ltd | +86-15553333686 | 15553333686@qq.com | China | 3113 | 58 |
| XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. | +8618950047208 | ellena@amitychem.com | China | 43414 | 58 |
| Mainchem Co., Ltd. | +86-0592-6210733 | sale@mainchem.com | China | 32343 | 55 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40228 | 62 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30123 | 84 |
| Energy Chemical | 021-021-58432009 400-005-6266 | sales8178@energy-chemical.com | China | 44802 | 61 |
4335-90-4(3-BENZYLIDENE-2,4-PENTANEDIONE)Related Search:
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1of4
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-
2-Acetyl-1-phenyl but-1-en-3-one
3-(phenylmethylene)-4-pentanedione
3-benzylidene-4-pentanedione
3-Benzylideneacetylacetone
Benzalacetylacetone
Benzylidene acetylacetone
3-(phenylmethylene)pentane-2,4-dione
(2-benzylidene)acetylacetone
3-acetyl-4-phenyl-3-buten-2-one
3-Acetyl-4-phenyl-3-buten-2-one~(2-Benzylidene)acetylacetone
4335-90-4
CH3COCCHC6H5COCH3
C6H5CHCHCOCH2COCH3
Carbonyl Compounds
C11 to C12
Building Blocks
Ketones
Organic Building Blocks
Carbonyl Compounds
Chemical Synthesis
Organic Building Blocks
C11 to C12
Building Blocks
C11 to C12
Carbonyl Compounds
Ketones
