Octadecyl acrylate
Also known as: Stearyl acrylate, Octadecyl 2-propenoate, 2-Propenoic acid, octadecyl ester, Acrylic acid octadecyl ester, Acrylic acid stearyl ester, n-Octadecyl acrylate, Octadecyl acrylate (stabilized with MEHQ)
Octadecyl acrylate (CAS 4813-57-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H40O2 and a molecular weight of 324.54100 g/mol. Key properties include a melting point of 32-34 °C(lit.), a boiling point of 400.2ºC at 760mmHg, a density of 0.8 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 4813-57-4
- Jingsj CID
- J-44546-3
- Molecular Formula
- C21H40O2
- Molecular Weight
- 324.54100 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 32-34 °C(lit.) |
|---|---|
| Boiling Point | 400.2ºC at 760mmHg |
| Density | 0.8 g/mL at 25 °C(lit.) |
| Flash Point | >110.0 °C |
| Exact Mass | 324.30300 |
| PSA | 26.30000 |
| LogP | 6.97710 |
| Refractive Index | 1.452 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H411 — Toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2916129000 |
|---|---|
| Summary | 2916129000 other esters of acrylic acid VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Octadecyl acrylate?
The CAS number of Octadecyl acrylate is 4813-57-4.
What are the molecular formula and molecular weight of Octadecyl acrylate?
Octadecyl acrylate has molecular formula C21H40O2 and molecular weight 324.54100 g/mol.
Is Octadecyl acrylate hazardous?
Octadecyl acrylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Octadecyl acrylate?
For Octadecyl acrylate, Upstream Products: 1-Octadecanol, Acrylic acid, Acryloyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octadecyl acrylate (CAS 4813-57-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44546-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.