structural formula
| business number | 03a7 |
|---|---|
| molecular formula | c29h44o2 |
| molecular weight | 424.73 |
| label |
antioxidant at-702, 4,4′-methylenebis(2,6-di-tert-butylphenol), ch2[c6h2[c(ch3)3]2oh]2, antioxidants |
numbering system
cas number:118-82-1
mdl number:mfcd00008822
einecs number:204-279-1
rtecs number:sl9650000
brn number:1916919
pubchem number:24856793
physical property data
1. characteristics: white or yellow powder.
2. density (g/ml,25℃): undetermined
3. relative vapor density (g/ml,air =1): undetermined
4. melting point (ºc):155- 159
5. boiling point (ºc,normal pressure): undetermined
6. boiling point (ºc,kpa): undetermined
7. refractive index: undetermined
8. flashpoint (ºc): undetermined
9. specific rotation (º): undetermined
10. autoignition point or ignition temperature (ºc): undetermined
11. vapor pressure (mmhg,25ºc): undetermined
12. saturated vapor pressure (kpa, ºc): 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 the partition coefficient for water: undetermined
17.、 molar refractive index:132.87
2, moore volume (m3/mol):432.4
3、 isotonic specific volume (90.2k) ：1040.5
4, surface tension (dyne/cm):33.5
5、 polarizability (10-24cm3):52.67
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 9.8
2. number of hydrogen bond donors: 2
3. number of hydrogen bond acceptors: 2
4. number of rotatable chemical bonds: 6
5. number of tautomers: 3
6. topological molecule polar surface area 40.5
7. number of heavy atoms: 31
8. surface charge: 0
9. complexity: 480
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 0
12. uncertain number of atomic stereocenters: 0
13. determine the number of chemical bond stereocenters: 0
14. number of uncertain chemical bond stereocenters: 0
15. number of covalent bond units: 1
properties and stability
avoid contact with oxides.
storage method
save sealed in a cool, dry place. make sure the workspace has good ventilation. store away from oxidizing agents.
synthesis method
none yet
purpose
suitable for antioxidant of polyethylene, polypropylene, polystyrene, abs resin and polyester.
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5、 polarizability (10-24cm3):52.67
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 9.8
2. number of hydrogen bond donors: 2
3. number of hydrogen bond acceptors: 2
4. number of rotatable chemical bonds: 6
5. number of tautomers: 3
6. topological molecule polar surface area 40.5
7. number of heavy atoms: 31
8. surface charge: 0
9. complexity: 480
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 0
12. uncertain number of atomic stereocenters: 0
13. determine the number of chemical bond stereocenters: 0
14. number of uncertain chemical bond stereocenters: 0
15. number of covalent bond units: 1
properties and stability
avoid contact with oxides.
storage method
save sealed in a cool, dry place. make sure the workspace has good ventilation. store away from oxidizing agents.
synthesis method
none yet
purpose
suitable for antioxidant of polyethylene, polypropylene, polystyrene, abs resin and polyester.
