1,8-Diaminooctane
Also known as: 1,8-Octanediamine, Octamethylenediamine, Octane-1,8-diamine, 1,8-Octamethylenediamine, 1,8-Octylenediamine
1,8-Diaminooctane (CAS 373-44-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H20N2 and a molecular weight of 144.258 g/mol. Key properties include a melting point of 50-52 °C(lit.), a boiling point of 240.5±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 165.0±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 373-44-4
- Jingsj CID
- J-8789-2
- Molecular Formula
- C8H20N2
- Molecular Weight
- 144.258 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 50-52 °C(lit.) |
|---|---|
| Boiling Point | 240.5±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 165.0±0.0 °C |
| Exact Mass | 144.162643 |
| PSA | 52.04000 |
| LogP | 1.10 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.462 |
| Storage Conditions | 2-8°C |
| Additional Property | 575 g/L (20 ºC) |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2921290000 |
|---|---|
| Summary | 2921290000 other acyclic polyamines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,8-Diaminooctane?
The CAS number of 1,8-Diaminooctane is 373-44-4.
What are the molecular formula and molecular weight of 1,8-Diaminooctane?
1,8-Diaminooctane has molecular formula C8H20N2 and molecular weight 144.258 g/mol.
Is 1,8-Diaminooctane hazardous?
1,8-Diaminooctane has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 1,8-Diaminooctane?
For 1,8-Diaminooctane, Upstream Products: Octanedinitrile, 1,8-Octanediol, Sebacoyl chloride; Downstream Products: 1,8-Octane diisothiocyanate, 1,8-BIS(MALEIMIDE)OCTANE, 1,8-Dichlorooctane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,8-Diaminooctane (CAS 373-44-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8789-2 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.