ChemicalBook > CAS DataBase List > 3-BENZYLIDENE-2,4-PENTANEDIONE

3-BENZYLIDENE-2,4-PENTANEDIONE

Product Name
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
Formula Weight
188.22
MOL File
4335-90-4.mol
More
Less

3-BENZYLIDENE-2,4-PENTANEDIONE Property

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.)
Flash point:
>230 °F
form 
liquid
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)
More
Less

Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
RTECS 
SA1930000
TSCA 
Yes
HS Code 
2914390090
Toxicity
mouse,LD50,intravenous,56mg/kg (56mg/kg),U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#08898,
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

More
Less

N-Bromosuccinimide Price

Sigma-Aldrich
Product number
S620335
Product name
3-BENZYLIDENE-2,4-PENTANEDIONE
Purity
Aldrich
Packaging
250mg
Price
$29.8
Updated
2024/03/01
Sigma-Aldrich
Product number
544418
Product name
3-Benzylidene-2,4-pentanedione
Purity
97%
Packaging
5g
Price
$52.8
Updated
2023/06/20
Alfa Aesar
Product number
L00623
Product name
3-Benzylidene-2,4-pentanedione, 97%
Packaging
5g
Price
$32.65
Updated
2024/03/01
Alfa Aesar
Product number
L00623
Product name
3-Benzylidene-2,4-pentanedione, 97%
Packaging
25g
Price
$103.65
Updated
2024/03/01
American Custom Chemicals Corporation
Product number
CHM0010306
Product name
3-BENZYLIDENE-2,4-PENTANEDIONE
Purity
95.00%
Packaging
5G
Price
$831.95
Updated
2021/12/16
More
Less

3-BENZYLIDENE-2,4-PENTANEDIONE Chemical Properties,Usage,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

Raw materials

Preparation Products

More
Less

3-BENZYLIDENE-2,4-PENTANEDIONE Suppliers

China 30 Germany 2 India 3 Japan 1 Switzerland 1 United Kingdom 6 United States 9 Global 52
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44689
Advantage
61
Shanghai T&W Pharmaceutical Co., Ltd.
Tel
+86 21 61551611
Fax
+86 21 50676805
Country
China
ProdList
9891
Advantage
58
Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51456
Advantage
80
Zhengzhou Gecko Scientific Inc.
Tel
0371-63336364 17344886665
Fax
0371-65511872
Email
209932355@qq.com
Country
China
ProdList
432
Advantage
55
Yantai ShengKailun Chemical Technology Co., Ltd.
Tel
13356901049
Fax
QQ：1025383091
Email
3119594100@qq.com
Country
China
ProdList
7964
Advantage
55
Aikon International Limited
Tel
025-66028182 18112977050
Fax
(3)02557626880
Email
cfzhang@aikonchem.com
Country
China
ProdList
15818
Advantage
58
Tianjin heowns Biochemical Technology Co., Ltd.
Tel
400-6387771-6038 18902104717
Email
sales@heowns.com
Country
China
ProdList
21090
Advantage
60
Henan Alpha Chemical Co., Ltd.
Tel
0371-0371-55055611 18137792234
Fax
QQ：3002694073
Email
3002694073@qq.com
Country
China
ProdList
10566
Advantage
58
Blocksynth Pharmaceutical Technology Co.,Ltd
Tel
0086-19817745290; +8619817745290
Email
bd@blocksynth.com
Country
China
ProdList
5657
Advantage
58
Dayang Chem (Hangzhou) Co.,Ltd.
Tel
571-88938639 +8617705817739
Fax
+86-571-88938652，+86-571- 88492614
Email
info@dycnchem.com
Country
China
ProdList
52849
Advantage
58
Shanghai Kaiwei Chemical Technology Co., Ltd.
Tel
021-58461859 15821823057
Email
service@aiviche.com
Country
China
ProdList
49312
Advantage
58
Henan qinpeng technology co., ltd
Tel
18839185240 18839185240
Email
2148319152@qq.com
Country
China
ProdList
425
Advantage
58
TCI (Shanghai) Chemical Trading Co., Ltd.
Tel
021-021-61109150
Fax
021-61105897
Email
sales@tcisct.com
Country
China
ProdList
31121
Advantage
58
Shanghai Haohong Pharmaceutical Co., Ltd.
Tel
400-8210725 4008210725
Email
malulu@leyan.com
Country
China
ProdList
40037
Advantage
58
Bide Pharmatech Ltd.
Tel
400-1647117 13681763483
Email
product02@bidepharm.com
Country
China
ProdList
62163
Advantage
58
Shanghai Maclean Biochemical Technology Co., LTD
Tel
021-50706066 15221275939
Email
shenlinxing@macklin.cn
Country
China
ProdList
29794
Advantage
58
Guangdong Fangxin Biotechnology Co., Ltd.
Tel
0751-2838688 13376594225
Email
1276075424@qq.com
Country
China
ProdList
9933
Advantage
58
Yantai Sheng Kai Lun Biological Products Co. , Ltd.
Tel
3119594100
Email
mark@sklnchem.cn
Country
China
ProdList
14477
Advantage
58
Zhengzhou Gecko Scientific Inc.
Tel
0371-63336364 17344886665
Email
209932355@qq.com
Country
China
ProdList
103
Advantage
58
Beijing Solarbio Science & Tecnology Co., Ltd.
Tel
010-50973130 17801761073
Email
Gsiyu@solarbio.com
Country
China
ProdList
50464
Advantage
58
Ningbo Zhenyue Pharmaceutical Technology Co., Ltd
Tel
19817745290
Email
bd@blocksynth.com
Country
China
ProdList
5644
Advantage
58
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Tel
+86-18521732826
Email
market@aladdin-e.com
Country
China
ProdList
48461
Advantage
58
Qingdao Dexin Chemical Co., Ltd
Tel
+86-15553333686 +86-15553333686
Email
15553333686@qq.com
Country
China
ProdList
1662
Advantage
58
GIHI CHEMICALS CO.,LIMITED
Tel
+8618058761490
Email
info@gihichemicals.com
Country
China
ProdList
49979
Advantage
58
Shanghai Hao Zhun Biological Technology Co., Ltd.
Tel
--
Fax
--
Email
info@zzsrm.com
Country
CHINA
ProdList
6650
Advantage
58
Guangzhou WeiBo Chemical Co., Ltd.
Tel
--
Fax
--
Email
weibochem@163.com
Country
China
ProdList
6187
Advantage
67
Advanced Technology & Industrial Co., Ltd.
Tel
--
Fax
--
Email
sales@advtechind.com
Country
China
ProdList
6523
Advantage
75

4335-90-4, 3-BENZYLIDENE-2,4-PENTANEDIONERelated Search:

3-BENZYLIDENE-2,4-PENTANEDIONE BINDONE 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-(PHENYL((4-(TRIFLUOROMETHOXY)PHENYL)AMINO)METHYLENE)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-((4,5-DIMETHOXY-2-NITROPHENYL)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

  • 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