TRANS-1,2-DIBENZOYLETHYLENE

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

Fumaryl chloride Aluminium chloride hexahydrate

Preparation Products

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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:

Polypropylene 2,4-DIMETHOXY-4'-HYDROXYBENZOPHENONE Benzil TRANS-1,2-DIBENZOYLETHYLENE trans-1,2-Dibenzoylethylene, 96+%

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