Butylamine
Also known as: 1-Butanamine, 1-Aminobutane, n-Butylamine, 1-Butylamine, Butan-1-amine, Monobutylamine
Butylamine (CAS 109-73-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H11N and a molecular weight of 73.137 g/mol. Key properties include a melting point of −49 °C(lit.), a boiling point of 77.3±3.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -14.4±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H290 and H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 109-73-9
- Jingsj CID
- J-1990646-5
- Molecular Formula
- C4H11N
- Molecular Weight
- 73.137 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −49 °C(lit.) |
|---|---|
| Boiling Point | 77.3±3.0 °C at 760 mmHg |
| Density | 0.7±0.1 g/cm3 |
| Flash Point | -14.4±0.0 °C |
| Exact Mass | 73.089149 |
| PSA | 26.02000 |
| LogP | 0.93 |
| Additional Property | 2.5 (vs air) |
| Vapor Pressure | 97.3±0.1 mmHg at 25°C |
| Refractive Index | 1.406 |
| Additional Property | MISCIBLE |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H290
- H302 — Harmful if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2921199090 |
|---|---|
| Summary | 2921199090 other acyclic monoamines and their derivatives; salts thereof 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 Butylamine?
The CAS number of Butylamine is 109-73-9.
What are the molecular formula and molecular weight of Butylamine?
Butylamine has molecular formula C4H11N and molecular weight 73.137 g/mol.
Is Butylamine hazardous?
Butylamine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H290; H302 — Harmful if swallowed.
What are the upstream and downstream products of Butylamine?
For Butylamine, Upstream Products: 1-nitrobutane, Butyronitrile, Butyraldoxime.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Butylamine (CAS 109-73-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990646-5 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.