Octanedinitrile
Also known as: 1,6-Dicyanohexane, Suberonitrile, Hexamethylene dicyanide, 1,8-Octanedinitrile, NSC 51242
Octanedinitrile (CAS 629-40-3) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H12N2 and a molecular weight of 136.194 g/mol. Key properties include a melting point of -3.5 °C, a boiling point of 320.4±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 146.2±17.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 629-40-3
- Jingsj CID
- J-9689-2
- Molecular Formula
- C8H12N2
- Molecular Weight
- 136.194 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -3.5 °C |
|---|---|
| Boiling Point | 320.4±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 146.2±17.1 °C |
| Exact Mass | 136.100052 |
| PSA | 47.58000 |
| LogP | 0.48 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.441 |
| Additional Property | 1.2 g/100 mL |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
Customs & Trade Information
| HS Code | 29269095 |
|---|
Frequently Asked Questions
What is the CAS number of Octanedinitrile?
The CAS number of Octanedinitrile is 629-40-3.
What are the molecular formula and molecular weight of Octanedinitrile?
Octanedinitrile has molecular formula C8H12N2 and molecular weight 136.194 g/mol.
Is Octanedinitrile hazardous?
Octanedinitrile has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H331 — Toxic if inhaled.
What are the upstream and downstream products of Octanedinitrile?
For Octanedinitrile, Upstream Products: 1,8-Diaminooctane, 1,8-Octanediol, 1,10-Decanediamine; Downstream Products: 1,8-Diaminooctane, Suberic acid, 1,6-DIAMIDINOHEXANE.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octanedinitrile (CAS 629-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9689-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.