Structural formula
Business number | 036N |
---|---|
Molecular formula | C18H34O2 |
Molecular weight | 282.46 |
label |
trans-9-octadecenoic acid, tartaric acid, Olive oil acid, Octadenoic acid, trans-9-Octadecenoic acid, Octadecenoic acid, straight chain compounds, acidic solvent |
Numbering system
CAS number:112-79-8
MDL number:MFCD00063954
EINECS number:204-006-6
RTECS number:JX6125000
BRN number:1726543
PubChem number:24894568
Physical property data
1. Properties: white flakes.
2. Relative density (25℃, 4℃): 0.870150
3. Relative density (20℃, 4℃): 0.873445
4. Melting point (ºC): 44.5
5. Boiling point (ºC, normal pressure): 234 (2kpa)
6 . Boiling point (ºC, 100mmHg): 288
7. Refractive index at room temperature (n20): 1.449945
8 . Flash point (ºC): >110
9. Refractive index at room temperature (n25): 1.4308100
10 . Autoignition point or ignition temperature (ºC): Not determined
11. Vapor pressure (mmHg, ºC): Not determined
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. Log value of oil-water (octanol/water) partition coefficient: Undetermined
17. Explosion upper limit (%, V/V): Undetermined
18. Lower explosion limit (%, V/V): Undetermined
19. Solubility: Undetermined
Toxicological data
1. Acute toxicity: mouse intraperitoneal LD50: 100mg/kg
Ecological data
No harm to water bodies.
Molecular structure data
5. Molecular property data:
1. Molar refractive index: 87.06
2. Molar volume (cm3/mol): 313.8
3. Isotonic specific volume (90.2K): 757.2
4. Surface tension (dyne/cm): 33.8
5. Polarizability (10-24cm3): 34.51
Compute chemical data
1. Hydrophobic parameter calculation reference value (XlogP): 6.5
2. �Number of �� bond donors: 1
3. Number of hydrogen bond acceptors: 2
4. Number of rotatable chemical bonds: 15
5. Interconversion Number of isomers:
6. Topological molecular polar surface area (TPSA): 37.3
7. Number of heavy atoms: 20
8. Surface charge: 0
9. Complexity: 234
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 0
12. The number of uncertain atomic stereocenters: 0
13. The number of determined chemical bond stereocenters: 1
14. The number of uncertain chemical bond stereocenters: 0
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15. Number of covalent bond units: 1
Properties and stability
1. Avoid contact with strong oxidants.
2. Found in tobacco leaves.
3. The original document does not clarify the position and configuration of the olefinic bond. The content here refers to (E)-9-octadecenoic acid.
Storage method
Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. Protect from direct sunlight. Keep container tightly sealed. They should be stored separately from oxidants, and mixed storage should be avoided
. Equipped with the appropriate variety and quantity of fire equipment. The storage area should be equipped with emergency release equipment and suitable containment materials.
Synthesis method
None
Purpose
None