4-Iodo-1,2-dimethylbenzene
Also known as: 1,2-Dimethyl-4-iodobenzene, 1-Iodo-3,4-dimethylbenzene, 3,4-Dimethyliodobenzene, 3,4-Dimethylphenyl iodide, 4-Iodo-o-xylene, 4-Iodo-1,2-dimethylbenzene, 1,2-Dimethyl-4-iodobenzene, Benzene, 4-iodo-1,2-dimethyl-, MFCD00040989, 3,4-dimethyl-1-iodobenzene, 3,4-Dimethylphenyl iodide, iodo-3,4-dimethylbenzene
4-Iodo-1,2-dimethylbenzene (CAS 31599-61-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H9I and a molecular weight of 232.061 g/mol. Key properties include a boiling point of 232.1±9.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 100.5±7.7 °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.
- 31599-61-8
- Jingsj CID
- J-1175296-8
- Molecular Formula
- C8H9I
- Molecular Weight
- 232.061 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 232.1±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 100.5±7.7 °C |
| Exact Mass | 231.974884 |
| LogP | 4.17 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.593 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 halogenated derivatives of aromatic hydrocarbons VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Iodo-1,2-dimethylbenzene?
The CAS number of 4-Iodo-1,2-dimethylbenzene is 31599-61-8.
What are the molecular formula and molecular weight of 4-Iodo-1,2-dimethylbenzene?
4-Iodo-1,2-dimethylbenzene has molecular formula C8H9I and molecular weight 232.061 g/mol.
Is 4-Iodo-1,2-dimethylbenzene hazardous?
4-Iodo-1,2-dimethylbenzene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-Iodo-1,2-dimethylbenzene?
For 4-Iodo-1,2-dimethylbenzene, Upstream Products: o-xylene, molecular iodine, acetic acid; Downstream Products: 3,3',4,4'-TETRAMETHYLBIPHENYL, 3,4-Dimethylbenzaldehyde, 1,2-dimethyl-4-tosylbenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Iodo-1,2-dimethylbenzene (CAS 31599-61-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1175296-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.