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2-Butyl-1-octanol

Also known as: 1-Octanol,2-butyl-, 2-Butyloctan-1-ol, 2-Butyl-1-n-octanol, 2-Butyl-n-octyl Alcohol, 2-Butyloctanol, 2-Butyloctyl alcohol, 5-(Hydroxymethyl)undecane, Butyloctanol, EINECS 223-470-0, Isododecyl alcohol, Jarcol I-12, MFCD00053508, Michel XO-150-12, isolauryl alcohol, Guerbet C12, Guerbet dodecanol, Isofol 12

2-Butyl-1-octanol (CAS 3913-02-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H26O and a molecular weight of 186.33400 g/mol. Key properties include a melting point of < -30ºC, a boiling point of 145 - 149ºC, a density of 0.833 g/mL at 25ºC(lit.) and a flash point of 110ºC. It is classified under GHS with signal word Warning and hazard statements H400 — Very toxic to aquatic life and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
3913-02-8
Jingsj CID
J-1964983-3
Molecular Formula
C12H26O
Molecular Weight
186.33400 g/mol
Category
Alcohols
Last updated
11/3/2026
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Physicochemical Properties

Melting Point< -30ºC
Boiling Point145 - 149ºC
Density0.833 g/mL at 25ºC(lit.)
Flash Point110ºC
Exact Mass186.19800
PSA20.23000
LogP3.75550
Refractive Index1.439

GHS Safety & Compliance

Environmental HazardSignal word: Warning
  • H400 — Very toxic to aquatic life
  • H411 — Toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of 2-Butyl-1-octanol?

The CAS number of 2-Butyl-1-octanol is 3913-02-8.

What are the molecular formula and molecular weight of 2-Butyl-1-octanol?

2-Butyl-1-octanol has molecular formula C12H26O and molecular weight 186.33400 g/mol.

Is 2-Butyl-1-octanol hazardous?

2-Butyl-1-octanol has GHS signal word Warning and hazard statements H400 — Very toxic to aquatic life; H411 — Toxic to aquatic life with long lasting effects.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-Butyl-1-octanol (CAS 3913-02-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1964983-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.