3-Methyl-3-octanol
Also known as: 3-Octanol, 3-methyl-, 2-Ethyl-2-heptanol, Amylethylmethylcarbinol, n-Amyl ethyl methyl carbinol, 3-Methyloctan-3-ol, 1-Ethyl-1-methyl-1-hexanol, Methylethylpentylcarbinol, rac-3-Methyloctan-3-ol, Aprol 161
3-Methyl-3-octanol (CAS 5340-36-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H20O and a molecular weight of 144.25400 g/mol. Key properties include a boiling point of 127 °C(lit.), a density of 0.822 g/mL at 25 °C(lit.) and a flash point of 72.8 °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 2, 2026.
- CAS No.
- 5340-36-3
- Jingsj CID
- J-29421-3
- Molecular Formula
- C9H20O
- Molecular Weight
- 144.25400 g/mol
- Category
- Alcohols
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 127 °C(lit.) |
|---|---|
| Density | 0.822 g/mL at 25 °C(lit.) |
| Flash Point | 72.8 °C |
| Exact Mass | 144.15100 |
| PSA | 20.23000 |
| LogP | 2.72770 |
| Refractive Index | n20/D 1.433(lit.) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2905199090 |
|---|---|
| Summary | 2905199090. saturated monohydric alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-Methyl-3-octanol?
The CAS number of 3-Methyl-3-octanol is 5340-36-3.
What are the molecular formula and molecular weight of 3-Methyl-3-octanol?
3-Methyl-3-octanol has molecular formula C9H20O and molecular weight 144.25400 g/mol.
Is 3-Methyl-3-octanol hazardous?
3-Methyl-3-octanol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methyl-3-octanol (CAS 5340-36-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29421-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.