ChemicalBook > CAS DataBase List > 1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE

1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE

Product Name
1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE
CAS No.
622-21-9
Chemical Name
1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE
Synonyms
DicinnamaL;DICINNAMALACETONE;1,9-DIPHENYL-1,3,6,8;Dicinnamalacetone 98%;Dicinnamalacetone >DICINNAMYLIDENEACETONE;6,8-nonatetraen-5-one,1,9-diphenyl-3;1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE;1,9-diphenylnona-1,3,6,8-tetraen-5-one;1,3,6,8-Nonatetraen-5-one, 1,9-diphenyl-
CBNumber
CB6162821
Molecular Formula
C21H18O
Formula Weight
286.37
MOL File
622-21-9.mol
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1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE Property

Melting point:
144-145 °C (lit.)
Boiling point:
388.73°C (rough estimate)
Density 
1.0402 (rough estimate)
refractive index 
1.4880 (estimate)
form 
powder to crystal
color 
Light yellow to Yellow to Orange
CAS DataBase Reference
622-21-9(CAS DataBase Reference)
EPA Substance Registry System
1,3,6,8-Nonatetraen-5-one, 1,9-diphenyl- (622-21-9)
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Safety

Risk Statements 
36/37/38
Safety Statements 
24/25
WGK Germany 
3
TSCA 
Yes
HS Code 
29141990
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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.

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.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
229067
Product name
Dicinnamalacetone
Purity
98%
Packaging
5g
Price
$96.2
Updated
2023/01/07
TCI Chemical
Product number
D0900
Product name
Dicinnamalacetone
Purity
>98.0%(HPLC)
Packaging
10g
Price
$57
Updated
2024/03/01
TCI Chemical
Product number
D0900
Product name
Dicinnamalacetone
Purity
>98.0%(HPLC)
Packaging
25g
Price
$101
Updated
2024/03/01
Alfa Aesar
Product number
A17568
Product name
1,9-Diphenyl-1,3,6,8-nonatetraen-5-one, 97+%
Packaging
5g
Price
$26.65
Updated
2024/03/01
Alfa Aesar
Product number
A17568
Product name
1,9-Diphenyl-1,3,6,8-nonatetraen-5-one, 97+%
Packaging
25g
Price
$83.8
Updated
2021/12/16
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1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE Chemical Properties,Usage,Production

Chemical Properties

yellow powder

Uses

Dicinnamalacetone was used as an indicator in measuring the surface acidity of homoionic montmorillonites by titrating certain Hammett indicators adsorbed on the clay with n-butylamine. It was also used as an indicator (yellow to bright red) for detection of excess hydrogen halides in many organic solvents (except alcohols).

Purification Methods

Crystallise the ketone from *benzene/isooctane (1:1). The 1,3,5-trinitrobenzene complex (1:1) has m 113o (from EtOH), and the 1,3,5-trinitrobenzene complex (1:2) has m 110o (from EtOH). [Beilstein 7 H 524, 7 I 293, 7 II 484, 7 III 2756, 7 IV 1834.] The 2,4-dinitrophenylhydrazone has m 199-200o.

1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

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1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE Suppliers

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622-21-9, 1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONERelated Search:

1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE SALOR-INT L153605-1EA SALOR-INT L153575-1EA SALOR-INT L153559-1EA SALOR-INT L156973-1EA SALOR-INT L153648-1EA Cyclohexanone, 2,6-bis[3-(2-methoxyphenyl)-2-propenylidene]-4-methyl- SALOR-INT L155780-1EA SALOR-INT L156159-1EA SALOR-INT L153583-1EA SALOR-INT L156779-1EA SALOR-INT L155640-1EA SALOR-INT L155535-1EA SALOR-INT L153613-1EA SALOR-INT L153540-1EA SALOR-INT L153567-1EA SALOR-INT L155853-1EA SALOR-INT L153591-1EA

  • 6,8-nonatetraen-5-one,1,9-diphenyl-3
  • DICINNAMYLIDENEACETONE
  • DICINNAMALACETONE
  • 1,9-diphenylnona-1,3,6,8-tetraen-5-one
  • 1,9-DIPHENYL-1,3,6,8-NONATETRAEN-5-ONE
  • (1Z,3E,6E,8E)-1,9-diphenyl-5-nona-1,3,6,8-tetraenone
  • 1,9-Diphenyl-1,3,6,8-nonatetraen-5-one,97%
  • 1,9-Diphenyl-1,3,6,8-nonatetraen-5-one,98%
  • 1,9-DIPHENYL-1,3,6,8
  • 1,9-Diphenyl-1,3,6,8-nonatetraen-5-one, 97% 5GR
  • (1E,3E,6E,8E)-1,9-diphenylnona-1,3,6,8-tetraen-5-one
  • Dicinnamalacetone 98%
  • Dicinnamalacetone &gt
  • DicinnamaL
  • 1,3,6,8-Nonatetraen-5-one, 1,9-diphenyl-
  • 622-21-9
  • C6H5CHCHCHCH2CO
  • C21H18O
  • Building Blocks
  • Carbonyl Compounds
  • C15 to C38
  • Organic Building Blocks
  • Ketones