Stearic Acid
TL;DR: Stearic Acid (CAS 57-11-4) is a chemical compound with molecular formula C18H36O2 and molecular weight 284.27155 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
octadecanoic acid
Also Known As: stearic acid, Octadecanoic acid, n-Octadecanoic acid, Stearophanic acid, Stearate
Application Areas
Top 5 of 22 IPC patent classification(s) from the SureChEMBL global patent database.
Technical Specifications
| Molecular Formula | C18H36O2 |
| Molecular Weight | 284.27155 g/mol |
| XLogP | 7.4 |
| Topological Polar Surface Area (TPSA) | 37.3 Ų |
| Hydrogen Bond Donors | 1 |
| Hydrogen Bond Acceptors | 2 |
| Rotatable Bonds | 16 |
| Exact Mass | 284.27155 Da |
| Heavy Atoms | 20 |
| Complexity | 202.0 |
| Purity | ≥95% |
| Melting Point | 156.7 °F (NTP, 1992) |
| Boiling Point | 721 °F at 760 mmHg (NTP, 1992) |
| Density | 0.86 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Flash Point | 385 °F (NTP, 1992) |
| Vapor Pressure | 1 mmHg at 344.7 °F ; 5 mmHg at 408.2 °F (NTP, 1992) |
| Refractive Index | Index of refraction: 1.4299 at 80 °C |
| Solubility | 1 to 10 mg/mL at 73 °F (NTP, 1992) |
| SMILES | CCCCCCCCCCCCCCCCCC(=O)O |
| InChIKey | QIQXTHQIDYTFRH-UHFFFAOYSA-N |
Product Description
Applications: Stearic Acid is used in pharmaceutical synthesis routes and API production, as well as heterocycle construction in medicinal chemistry and agrochemical discovery. It commonly serves as a versatile building block for organic synthesis. Product profile: commercial lots are supplied at ≥95%. Available from CoreyChem as both catalog item and custom-synthesis project (mg to ton scale), with full analytical documentation (COA, MSDS, HPLC, NMR, MS).
A pharmaceutical intermediate supplied by CoreyChem, Stearic Acid (CAS 57-11-4) has the molecular formula C18H36O2 and a molecular weight of 284.27 g/mol. Reported properties include a density of 0.86 at 68 °F (USCG, 1999) - Less dense than water; will float g/cm³, a solubility: 1 to 10 mg/mL at 73 °F (NTP, 1992). Synonyms include stearic acid and Octadecanoic acid.
Custom synthesis (mg to ton scale), HPLC/NMR/MS analytical support, and complete COA/MSDS documentation are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.
Chemical Property Profile of Stearic Acid
Property Insights of Stearic Acid
The XLogP value of 7.4 indicates that Stearic Acid is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 37.3 Ų, Stearic Acid exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Stearic Acid has 1 hydrogen bond donor(s) and 2 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.
Frequently Asked Questions
What is the CAS number of Stearic Acid?
The CAS number of Stearic Acid is 57-11-4.
What is the molecular formula of Stearic Acid?
The molecular formula of Stearic Acid is C18H36O2.
What is the molecular weight of Stearic Acid?
The molecular weight of Stearic Acid is 284.27155 g/mol.
What are the applications of Stearic Acid?
Stearic Acid is used in pharmaceutical synthesis routes and API production, as well as heterocycle construction in medicinal chemistry and agrochemical discovery. It commonly serves as a versatile building block for organic synthesis. Product profile: commercial lots are supplied at ≥95%....
Where can I buy Stearic Acid?
You can request a quote for Stearic Acid directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Does CoreyChem offer custom synthesis for Stearic Acid?
Yes, CoreyChem provides custom synthesis services for Stearic Acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.