2-Methyl-1-propanol
Also known as: Isobutanol, Isobutyl alcohol, 2-Methylpropan-1-ol, IBA, FEMA 2179, i-Butanol, i-Butyl alcohol, iso-Butanol, iso-Butyl Alcohol, isopropylcarbinol, ISOPROPYL CARBINOL, 2-Methylpropyl alcohol, UNII-56F9Z98TEM, MFCD00004740, 1-Propanol, 2-methyl-
2-Methyl-1-propanol (CAS 78-83-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H10O and a molecular weight of 74.122 g/mol. Key properties include a melting point of −108 °C(lit.), a boiling point of 105.0±8.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 27.8±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78-83-1
- Jingsj CID
- J-1098888-2
- Molecular Formula
- C4H10O
- Molecular Weight
- 74.122 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −108 °C(lit.) |
|---|---|
| Boiling Point | 105.0±8.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 27.8±0.0 °C |
| Exact Mass | 74.073166 |
| PSA | 20.23000 |
| LogP | 0.69 |
| Additional Property | 2.55 (vs air) |
| Vapor Pressure | 16.4±0.4 mmHg at 25°C |
| Refractive Index | 1.393 |
| Additional Property | 95 g/L (20 ºC) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
- H336 — May cause drowsiness or dizziness
Customs & Trade Information
| HS Code | 2905141000 |
|---|
Frequently Asked Questions
What is the CAS number of 2-Methyl-1-propanol?
The CAS number of 2-Methyl-1-propanol is 78-83-1.
What are the molecular formula and molecular weight of 2-Methyl-1-propanol?
2-Methyl-1-propanol has molecular formula C4H10O and molecular weight 74.122 g/mol.
Is 2-Methyl-1-propanol hazardous?
2-Methyl-1-propanol has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2-Methyl-1-propanol?
For 2-Methyl-1-propanol, Upstream Products: Isobutyraldehyde, tert-Butanol, Cyclopropylmethanol; Downstream Products: 2-(propan-2-yl)-1H-benzimidazole, 1-tert-Butyl-4-chlorobenzene, Isobutyl formate.
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-Methyl-1-propanol (CAS 78-83-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1098888-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.