ChemicalBook > CAS DataBase List > TRANS-1,2-DIBENZOYLETHYLENE

TRANS-1,2-DIBENZOYLETHYLENE

Product Name
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
Formula Weight
236.27
MOL File
959-28-4.mol
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TRANS-1,2-DIBENZOYLETHYLENE Property

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)
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Safety

Safety Statements 
22-24/25
WGK Germany 
3
RTECS 
EM7000000
TSCA 
Yes
HS Code 
29143900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
D33209
Product name
trans-1,4-Diphenyl-2-butene-1,4-dione
Purity
96%
Packaging
5g
Price
$59.2
Updated
2024/03/01
Sigma-Aldrich
Product number
D33209
Product name
trans-1,4-Diphenyl-2-butene-1,4-dione
Purity
96%
Packaging
25g
Price
$183.6
Updated
2024/03/01
TCI Chemical
Product number
D2185
Product name
trans-1,2-Dibenzoylethylene
Purity
>98.0%(GC)
Packaging
5g
Price
$74
Updated
2024/03/01
TCI Chemical
Product number
D2185
Product name
trans-1,2-Dibenzoylethylene
Purity
>98.0%(GC)
Packaging
25g
Price
$246
Updated
2024/03/01
Alfa Aesar
Product number
L12643
Product name
1,2-Dibenzoylethylene, predominantly trans, 96%
Packaging
1g
Price
$26.65
Updated
2024/03/01
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TRANS-1,2-DIBENZOYLETHYLENE Chemical Properties,Usage,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

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TRANS-1,2-DIBENZOYLETHYLENE Suppliers

Merck Schuchardt OHG
Tel
--
Fax
--
Email
schuchardt-vertrieb@merck.de
Country
Germany
ProdList
5827
Advantage
74
Service Chemical Inc.
Tel
--
Fax
--
Email
sales@chemos-group.com
Country
Germany
ProdList
6350
Advantage
71
ABCR GmbH & CO. KG
Tel
--
Fax
--
Email
info@abcr.de
Country
Germany
ProdList
6831
Advantage
75
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View Lastest Price from TRANS-1,2-DIBENZOYLETHYLENE manufacturers

Nanjing jinheyou Trading Co., Ltd.
Product
TRANS-1,2-DIBENZOYLETHYLENE 959-28-4
Price
US $0.00/g
Min. Order
1g
Purity
99.5%min
Supply Ability
20kg/week
Release date
2019-10-31

959-28-4, TRANS-1,2-DIBENZOYLETHYLENERelated Search:


  • TRANS-DIPHENACYLIDENE
  • TRANS-1,2-DIBENZOYLETHYLENE
  • TRANS-1,4-DIPHENYL-2-BUTENE-1,4-DIONE
  • TIMTEC-BB SBB007664
  • trans-1,2-Dibenzoylethylen
  • 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%
  • <i>trans</i>-1,2-Dibenzoylethylene
  • (E)-1,4-diphenylbut-2-ene-1,4-dione
  • trans-1,2-Dibenzoylethylene&gt
  • 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