Epoxy curing agent Knowledge Rapeseed sterol

Rapeseed sterol

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Brassic sterol structural formula

Structural formula

Business number 0516
Molecular formula C28H46O
Molecular weight 398.67
label

5,22-Cholestadien-24β-methyl-3β-ol

Numbering system

CAS number:474-67-9

MDL number:None

EINECS number:207-486-5

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Character:Undetermined


2. Density (g/ m3,25/4): Undetermined


3. Relative steam Density (g/cm3,AIR=1): Undetermined


4. Melting point (ºC): Undetermined


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


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


7. Refractive index: Undetermined


8. Flash Point (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


13. Heat of combustion (KJ/mol): Undetermined


14. Critical temperature (ºC): Undetermined


15. Critical pressure (KPa): Undetermined


16. Oil and water (octanol/Log value of water) partition coefficient: Undetermined


17. Explosion limit (%,V/V): Undetermined


18. Lower explosion limit (%,V/V): Undetermined

19. Solubility: Not determined

Toxicological data

None

Ecological data

This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

1 Molar refractive index:124.28


2 Molar volumem3/mol400.7


3 Isotonic specific volume (90.2K):996.8


4 Surface tensiondyne/cm)38.2


5, Polarizability10-24cm3 )49.27

Compute chemical data

1. Hydrophobic parameters Calculate the reference value (XlogP):8


2. Hydrogen Bonding Number of donors: 1


3. Hydrogen Bonding Number of receptors: 1


4. Number of rotatable chemical bonds:4


5. Interchange Number of isomers:


6. Topological molecules Polar surface area (TPSA):20.2


7. Heavy Atom Quantity: 29


8. Surface charge :0


9. Complexity :659


10. Isotope atomic number:0


11. Determine the number of atomic stereocenters:1


12. Uncertain number of atomic stereocenters:8


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


14. Uncertain number of chemical bond stereocenters:0


15. Number of covalent bond units: 1

Properties and stability

Use and store according to specifications, no decomposition will occur, and avoid contact with oxides

Storage method

Save sealed at 2-8°C, placed in a ventilated, dry place, and avoid contact with other oxides.

Synthesis method

None

Purpose

None

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