Polyether_Polyether Polyol Knowledge Dibenzylideneacetone

Dibenzylideneacetone

Dibenzylideneacetone Structural Formula

Structural formula

Business number 05JB
Molecular formula C17H14O
Molecular weight 234.30
label

1,5-DIPHENYL-1,4-PENTADIEN-3-ONE

Numbering system

CAS number:538-58-9

MDL number:None

EINECS number:208-697-5

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Character: Undetermined


2. Density (g/mL,25/4): Undetermined


3. Relative vapor density (g/mL,AIR=1): Undetermined


4. Melting point (ºC):107 -113


5. Boiling point (ºC,Normal pressure): Undetermined


6. Boiling point (ºC,5.2kPa): Undetermined


7. Refractive index: Undetermined


8. Flashpoint (ºC): Undetermined


9. Specific optical rotation (º): Undetermined


10. Autoignition point or ignition temperature (ºC): Undetermined


11. Vapor pressure (kPa,25ºC): Undetermined


12. Saturated vapor pressure (kPa,60ºC): undetermined


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4. Rotatable Number of chemical bonds: 4


5. Interchange Number of isomers:


6. Topological molecules Polar surface area (TPSA):17.1


7. Heavy Atom Quantity: 18


8. Surface Charge :0


9. Complexity :272


10. Isotope atomic number:0


11. Determine the number of atomic stereocenters:0


12. Uncertain number of atomic stereocenters:0


13. Determine the number of stereocenters of chemical bonds:1


14. Uncertain number of chemical bond stereocenters:1


15. Number of covalent bond units: 1

Properties and stability

As required It will not decompose or react when stored, keep away from oxides.

Storage method

0- Store sealed at 6°C in a ventilated, dry place.

Synthesis method

Obtained from the reaction of benzaldehyde and acetone. The reaction was carried out in an ethanol aqueous solution, the reaction temperature was 20-25°C, and the yield was 78%.

Purpose

Used in sun protection products.

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11. Determine the number of atomic stereocenters:0


12. Uncertain number of atomic stereocenters:0


13. Determine the number of stereocenters of chemical bonds:1


14. Uncertain number of chemical bond stereocenters:1


15. Number of covalent bond units: 1

Properties and stability

As required It will not decompose or react when stored, keep away from oxides.

Storage method

0- Store sealed at 6°C in a ventilated, dry place.

Synthesis method

Obtained from the reaction of benzaldehyde and acetone. The reaction was carried out in an ethanol aqueous solution, the reaction temperature was 20-25°C, and the yield was 78%.

Purpose

Used in sun protection products.

Cool place.

Synthesis method

Obtained from the reaction of benzaldehyde and acetone. The reaction was carried out in an ethanol aqueous solution, the reaction temperature was 20-25°C, and the yield was 78%.

Purpose

Used in sun protection products.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.polyether-factory.com/archives/19593

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