1-Chloro-4-iodobenzene
Also known as: 4-Chloroiodobenzene, p-Chloroiodobenzene, p-Iodochlorobenzene, 4-Iodochlorobenzene, 1-Chloro-4-iodobenzene, 4-Chloro-1-iodobenzene, p-Chlorophenyl iodide, para-Iodochlorobenzene, Benzene, 1-chloro-4-iodo-
1-Chloro-4-iodobenzene (CAS 637-87-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4ClI and a molecular weight of 238.453 g/mol. Key properties include a melting point of 53-54 °C(lit.), a boiling point of 227.0±0.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 108.3±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 637-87-6
- Jingsj CID
- J-4351-3
- Molecular Formula
- C6H4ClI
- Molecular Weight
- 238.453 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 53-54 °C(lit.) |
|---|---|
| Boiling Point | 227.0±0.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 108.3±0.0 °C |
| Exact Mass | 237.904617 |
| LogP | 3.77 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.632 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
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 1-Chloro-4-iodobenzene?
The CAS number of 1-Chloro-4-iodobenzene is 637-87-6.
What are the molecular formula and molecular weight of 1-Chloro-4-iodobenzene?
1-Chloro-4-iodobenzene has molecular formula C6H4ClI and molecular weight 238.453 g/mol.
Is 1-Chloro-4-iodobenzene hazardous?
1-Chloro-4-iodobenzene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 1-Chloro-4-iodobenzene?
For 1-Chloro-4-iodobenzene, Upstream Products: 4-Chloroaniline, (4-Chlorophenyl)boronic acid, Chlorobenzene; Downstream Products: 2-Bromo-4-chloro-1-iodobenzene, 4-(4-Chlorophenyl)-2-butanone, 3-(4-Chlorophenyl)-2-propyn-1-ol.
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-Chloro-4-iodobenzene (CAS 637-87-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4351-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.