1,9-Dibromononane
Also known as: Nonamethylene bromide, Nonamethylene dibromide, 1,9-Dibromnonan, Nonane, 1,9-dibromo-
1,9-Dibromononane (CAS 4549-33-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H18Br2 and a molecular weight of 286.047 g/mol. Key properties include a melting point of -2 °C, a boiling point of 286.5±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 139.0±17.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4549-33-1
- Jingsj CID
- J-26128-9
- Molecular Formula
- C9H18Br2
- Molecular Weight
- 286.047 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -2 °C |
|---|---|
| Boiling Point | 286.5±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 139.0±17.7 °C |
| Exact Mass | 283.977509 |
| LogP | 5.26 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.494 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2903399090 |
|---|---|
| Summary | 2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,9-Dibromononane?
The CAS number of 1,9-Dibromononane is 4549-33-1.
What are the molecular formula and molecular weight of 1,9-Dibromononane?
1,9-Dibromononane has molecular formula C9H18Br2 and molecular weight 286.047 g/mol.
Is 1,9-Dibromononane hazardous?
1,9-Dibromononane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,9-Dibromononane (CAS 4549-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26128-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.