4-Hydroxyisophthalaldehyde
4-羟基间苯二甲醛
Also known as: 5-Formylsalicylaldehyde, 1,3-Benzenedicarboxaldehyde, 4-hydroxy-, 2,4-Diformylphenol, 3-Formyl-4-hydroxybenzaldehyde, 4-Hydroxybenzene-1,3-dicarbaldehyde, 5-Formyl-2-hydroxybenzaldehyde, MFCD00003334
4-Hydroxyisophthalaldehyde (CAS 3328-70-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H6O3 and a molecular weight of 150.131 g/mol. It is also known as 5-Formylsalicylaldehyde, 1,3-Benzenedicarboxaldehyde, 4-hydroxy- and 2,4-Diformylphenol. Key properties include a melting point of 109°C, a boiling point of 266.0±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 128.9±19.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3328-70-9
- Jingsj CID
- J-45762-4
- Molecular Formula
- C8H6O3
- Chinese Name
- 4-羟基间苯二甲醛
- Molecular Weight
- 150.131 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 109°C |
|---|---|
| Boiling Point | 266.0±25.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 128.9±19.7 °C |
Frequently Asked Questions
What is the CAS number of 4-Hydroxyisophthalaldehyde?
The CAS number of 4-Hydroxyisophthalaldehyde is 3328-70-9.
What are the molecular formula and molecular weight of 4-Hydroxyisophthalaldehyde?
4-Hydroxyisophthalaldehyde has molecular formula C8H6O3 and molecular weight 150.131 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxyisophthalaldehyde (CAS 3328-70-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45762-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.