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2D Structure
Also known as: Stearyl palmitate, Octadecyl palmitate, Octadecyl hexadecanoate, 2598-99-4, Hexadecanoic acid, octadecyl ester, Palmitic acid stearyl ester
Molecular Formula
C34H68O2
Molecular Weight
508.9  g/mol
InChI Key
BILPUZXRUDPOOF-UHFFFAOYSA-N
FDA UNII
214W90O2XZ

lanolin is a natural product found in Bombax ceiba with data available.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
octadecyl hexadecanoate
2.1.2 InChI
InChI=1S/C34H68O2/c1-3-5-7-9-11-13-15-17-18-19-21-23-25-27-29-31-33-36-34(35)32-30-28-26-24-22-20-16-14-12-10-8-6-4-2/h3-33H2,1-2H3
2.1.3 InChI Key
BILPUZXRUDPOOF-UHFFFAOYSA-N
2.1.4 Canonical SMILES
CCCCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCC
2.2 Other Identifiers
2.2.1 UNII
214W90O2XZ
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Hexadecanoic Acid Octadecyl Ester

2. Octadecyl Hexadecanoate

3. Octadecyl Palmitate

4. Palmitic Acid Octadecyl Ester

5. Stearyl Palmitate

2.3.2 Depositor-Supplied Synonyms

1. Stearyl Palmitate

2. Octadecyl Palmitate

3. Octadecyl Hexadecanoate

4. 2598-99-4

5. Hexadecanoic Acid, Octadecyl Ester

6. Palmitic Acid Stearyl Ester

7. 100231-75-2

8. 8006-54-0

9. Octadecanyl Hexadecanoate

10. Palmitic Acid, Octadecyl Ester

11. 214w90o2xz

12. We(18:0/16:0)

13. Einecs 220-000-6

14. Unii-214w90o2xz

15. Wool Grease

16. Ai3-30713

17. Wool Wax

18. Einecs 309-376-3

19. Wool Wax;wool Grease

20. Stearyl Palmitate, >=99%

21. Schembl33919

22. Dtxsid0026048

23. Stearyl Palmitate [inci]

24. Chebi:84066

25. Caa59899

26. Palmitic Acid, Stearyl Ester

27. Lmfa07010049

28. Zinc60050365

29. Akos028115046

30. Ccg-269767

31. Db-046811

32. Ft-0634387

33. J-016213

34. Q27157447

2.4 Create Date
2005-03-27
3 Chemical and Physical Properties
Molecular Weight 508.9 g/mol
Molecular Formula C34H68O2
XLogP316.3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count32
Exact Mass508.52193141 g/mol
Monoisotopic Mass508.52193141 g/mol
Topological Polar Surface Area26.3 Ų
Heavy Atom Count36
Formal Charge0
Complexity406
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Drug and Medication Information
4.1 Drug Warning

Since certain individuals are allergic to this substance, it should not be used in ointments intended for use by sensitive persons.

Osol, A. and J.E. Hoover, et al. (eds.). Remington's Pharmaceutical Sciences. 15th ed. Easton, Pennsylvania: Mack Publishing Co., 1975., p. 1250


4.2 Minimum/Potential Fatal Human Dose

1= PRACTICALLY NONTOXIC: PROBABLE ORAL LETHAL DOSE (HUMAN) ABOVE 15 G/KG, MORE THAN 1 QT FOR 70 KG PERSON (150 LB).

Gosselin, R.E., H.C. Hodge, R.P. Smith, and M.N. Gleason. Clinical Toxicology of Commercial Products. 4th ed. Baltimore: Williams and Wilkins, 1976., p. II-152


4.3 Drug Indication

Used as a skin protectant, and to relieve dryness and irritation of the skin,. Helps prevent and treat diaper dermatitis.


5 Pharmacology and Biochemistry
5.1 Pharmacology

Lanolin treats cracked, dry, irritated skin and minor burns. It prevents and treats sore nipples during breastfeeding,. Protects chafed skin or minor skin irritations due to various causes,.


5.2 Mechanism of Action

Lanolin is an emollient. Emollients soften the skin by forming an occlusive oil film on the stratum corneum layer of the epithelium, thus decreasing the transepidermal water loss.