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TRANS-1,2-DIBENZOYLETHYLENE

CAS No.
959-28-4
Chemical Name:
TRANS-1,2-DIBENZOYLETHYLENE
Synonyms
perdominantlytrans;TIMTEC-BB SBB007664;TRANS-DIPHENACYLIDENE;1,2-DIBENZOYLETHYLENE;trans-Dibenzoylethene;LABOTEST-BB LT00068044;(E)-1,2-Dibenzoylethene;trans-Dibenzoylethylene;(E)-1,2-DIBENZOYLETHYLENE;trans-1,2-Dibenzoylethylen
CBNumber:
CB2345321
Molecular Formula:
C16H12O2
Molecular Weight:
236.27
MDL Number:
MFCD00003083
MOL File:
959-28-4.mol
Last updated:2024-12-18 14:08:52

TRANS-1,2-DIBENZOYLETHYLENE Properties

Melting point 109-112 °C(lit.)
Boiling point 338.73°C (rough estimate)
Density 1.1223 (rough estimate)
refractive index 1.6000 (estimate)
form Powder, Crystals or Flakes
color White to yellow to beige-brown
BRN 743958
CAS DataBase Reference 959-28-4(CAS DataBase Reference)
EPA Substance Registry System trans-1,2-Dibenzoylethylene (959-28-4)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P301+P312-P302+P352-P304+P340-P305+P351+P338
Safety Statements  22-24/25
WGK Germany  3
RTECS  EM7000000
TSCA  Yes
HS Code  29143900
NFPA 704
1
1 0

TRANS-1,2-DIBENZOYLETHYLENE price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D33209 trans-1,4-Diphenyl-2-butene-1,4-dione 96% 959-28-4 5g $59.2 2024-03-01 Buy
Sigma-Aldrich D33209 trans-1,4-Diphenyl-2-butene-1,4-dione 96% 959-28-4 25g $183.6 2024-03-01 Buy
TCI Chemical D2185 trans-1,2-Dibenzoylethylene >98.0%(GC) 959-28-4 5g $74 2024-03-01 Buy
TCI Chemical D2185 trans-1,2-Dibenzoylethylene >98.0%(GC) 959-28-4 25g $246 2024-03-01 Buy
Alfa Aesar L12643 1,2-Dibenzoylethylene, predominantly trans, 96% 959-28-4 1g $26.65 2024-03-01 Buy
Product number Packaging Price Buy
D33209 5g $59.2 Buy
D33209 25g $183.6 Buy
D2185 5g $74 Buy
D2185 25g $246 Buy
L12643 1g $26.65 Buy

TRANS-1,2-DIBENZOYLETHYLENE Chemical Properties,Uses,Production

Chemical Properties

yellow crystalline powder

Uses

(E)-1,4-Diphenylbut-2-ene-1,4-dione is a key intermediate for the Michael adducts-source for biologically potent heterocycles with antimicrobial properties.

Synthesis Reference(s)

The Journal of Organic Chemistry, 55, p. 360, 1990 DOI: 10.1021/jo00288a066
Journal of the American Chemical Society, 45, p. 1303, 1923 DOI: 10.1021/ja01658a026

Purification Methods

It crystallises from MeOH or EtOH as yellow needles [Koller et al. Helv Chim Acta 29 512 1946]. The dioxime has m 210-211o(dec) from AcOH. [IR: Kuhn et al. J Am Chem Soc 72 5058 1950, Yates J Am Chem Soc 74 5375 1952, Erickson et al. J Am Chem Soc 73 5301 1951, Beilstein 7 IV 2578.]

TRANS-1,2-DIBENZOYLETHYLENE Preparation Products And Raw materials

Raw materials

Preparation Products

TRANS-1,2-DIBENZOYLETHYLENE Suppliers

Global( 77)Suppliers
Supplier Tel Email Country ProdList Advantage
Nanjing jinheyou Trading Co., Ltd.
15705188088 admin@jheyou.com CHINA 1268 58
Career Henan Chemica Co
+86-0371-86658258 +8613203830695 laboratory@coreychem.com China 30239 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739 info@dycnchem.com China 52849 58
sgtlifesciences pvt ltd
+8617013299288 dj@sgtlifesciences.com China 12373 58
Hebei Weibang Biotechnology Co., Ltd
+8617732866630 bess@weibangbio.com China 18152 58
LEAPCHEM CO., LTD.
+86-852-30606658 market18@leapchem.com China 43340 58
Aladdin Scientific
+1-+1(833)-552-7181 sales@aladdinsci.com United States 57505 58
Mainchem Co., Ltd. +86-0592-6210733 sale@mainchem.com China 32343 55
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 jkinfo@jkchemical.com China 96815 76

View Lastest Price from TRANS-1,2-DIBENZOYLETHYLENE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
TRANS-1,2-DIBENZOYLETHYLENE pictures 2019-11-08 TRANS-1,2-DIBENZOYLETHYLENE
959-28-4
US $0.00 / g 1g 99.5%min 20kg/week Nanjing jinheyou Trading Co., Ltd.
TRANS-DIPHENACYLIDENE TRANS-1,2-DIBENZOYLETHYLENE TRANS-1,4-DIPHENYL-2-BUTENE-1,4-DIONE TIMTEC-BB SBB007664 1,2-DIBENZOYLETHYLENE LABOTEST-BB LT00068044 (E)-1,4-DIPHENYL-2-BUTENE-1,4-DIONE (E)-1,2-DIBENZOYLETHYLENE (2E)-1,4-Diphenyl-2-butene-1,4-dione 2-Butene-1,4-dione, 1,4-diphenyl-, (E)- 4-diphenyl-4-dion(e)-2-butene-1 perdominantlytrans 1,2-Dibenzoylethylene,predominantlytrans,96% 1,2-dibenzoylethylene, predominantly trans (E)-1,2-Dibenzoylethene (E)-1,4-Diphenyl-1,4-dioxo-2-butene trans-1,2-Dibenzoylethylene,97% trans-1,2-Diabenzoylbenzene trans-Diphenacylidene trans-1,4-Diphenyl-2-butene-1,4-dione trans-Dibenzoylethene trans-Dibenzoylethylene trans-1,4-Diphenyl-2-butene-1,4-dione 96% trans-1,2-Dibenzoylethylene trans-1,2-Dibenzoylethylen (E)-1,4-diphenylbut-2-ene-1,4-dione trans-1,2-Dibenzoylethylene> 2-Butene-1,4-dione, 1,4-diphenyl-, (2E)- 1, 2-Dibenzoylethylene,predominantly trans 96% 959-28-4 C6H5COCHCHCOC6H5 Carbonyl Compounds C15 to C38 Building Blocks Organic Building Blocks Ketones Carbonyl Compounds Chemical Synthesis Ketones Organic Building Blocks Building Blocks C15 to C38