3,5-Diiodosalicylaldehyde
Also known as: 2-Hydroxy-3,5-diiodobenzaldehyde, 3,5-Diiodo-2-hydroxybenzaldehyde, 2-Hydroxy-3,5-diiodo-benzaldehyde, 3,5-Diiodosalicylaldehyde, AKOS BBS-00003265, Benzaldehyde, 2-hydroxy-3,5-diiodo-, EINECS 220-117-2, MFCD00003321
3,5-Diiodosalicylaldehyde (CAS 2631-77-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H4I2O2 and a molecular weight of 373.91400 g/mol. Key properties include a melting point of 109-110 °C(lit.), a boiling point of 304.6ºC at 760 mmHg, a density of 2.602 g/cm3 and a flash point of 138ºC. 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.
- 2631-77-8
- Jingsj CID
- J-18373-3
- Molecular Formula
- C7H4I2O2
- Molecular Weight
- 373.91400 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 109-110 °C(lit.) |
|---|---|
| Boiling Point | 304.6ºC at 760 mmHg |
| Density | 2.602 g/cm3 |
| Flash Point | 138ºC |
| Exact Mass | 373.83000 |
| PSA | 37.30000 |
| LogP | 2.41390 |
| Vapor Pressure | 0.000481mmHg at 25°C |
| Refractive Index | 1.787 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2913000090 |
|---|---|
| Summary | HS: 2913000090 halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 2912 Educational tariff:17.0% Tax rebate rate:9.0% Regulatory conditions:none Most favored nation tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3,5-Diiodosalicylaldehyde?
The CAS number of 3,5-Diiodosalicylaldehyde is 2631-77-8.
What are the molecular formula and molecular weight of 3,5-Diiodosalicylaldehyde?
3,5-Diiodosalicylaldehyde has molecular formula C7H4I2O2 and molecular weight 373.91400 g/mol.
Is 3,5-Diiodosalicylaldehyde hazardous?
3,5-Diiodosalicylaldehyde 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. "3,5-Diiodosalicylaldehyde (CAS 2631-77-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18373-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.