15-Methylhexadecanoic acid
Also known as: 15-Methylpalmitic acid, Isoheptadecanoic acid, ISO C17 ACID, ISO-HEPTADECANOIC ACID, 15-Methylhexadecanoic acid, iso C17 Fatty acid, Hexadecanoic acid, 15-methyl-, Subtiloheptadecanoic acid
15-Methylhexadecanoic acid (CAS 1603-03-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H34O2 and a molecular weight of 270.45100 g/mol. Key properties include a boiling point of 386.1ºC at 760mmHg, a density of 0.889g/cm3 and a flash point of 216.6ºC. 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 Aug 21, 2026.
- CAS No.
- 1603-03-8
- Jingsj CID
- J-42215-1
- Molecular Formula
- C17H34O2
- Molecular Weight
- 270.45100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 386.1ºC at 760mmHg |
|---|---|
| Density | 0.889g/cm3 |
| Flash Point | 216.6ºC |
| Exact Mass | 270.25600 |
| PSA | 37.30000 |
| LogP | 5.79830 |
| Vapor Pressure | 4.94E-07mmHg at 25°C |
| Refractive Index | 1.453 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 15-Methylhexadecanoic acid?
The CAS number of 15-Methylhexadecanoic acid is 1603-03-8.
What are the molecular formula and molecular weight of 15-Methylhexadecanoic acid?
15-Methylhexadecanoic acid has molecular formula C17H34O2 and molecular weight 270.45100 g/mol.
Is 15-Methylhexadecanoic acid hazardous?
15-Methylhexadecanoic acid 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 15-Methylhexadecanoic acid?
For 15-Methylhexadecanoic acid, Upstream Products: Ethyl hydrogen glutarate, 12-Methyltridecanoic acid; Downstream Products: Methyl 15-methylhexadecanoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "15-Methylhexadecanoic acid (CAS 1603-03-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42215-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.