Isovanillin
Also known as: 3-Hydroxy-4-methoxybenzaldehyde, 3-Hydroxy-4-methoxybenzolcarbaldehyd, 3-Hydroxy-p-anisaldehyde, 4-Methoxy-3-hydroxybenzaldehyde, 5-Formylguaiacol, Benzaldehyde, 3-hydroxy-4-methoxy-, Isovanilline, Isovanilllin, MFCD00003369, VHR CQ DO1
Isovanillin (CAS 621-59-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H8O3 and a molecular weight of 152.147 g/mol. Key properties include a melting point of 113-116 °C, a boiling point of 308.1±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 119.9±15.3 °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.
- 621-59-0
- Jingsj CID
- J-48809-5
- Molecular Formula
- C8H8O3
- Molecular Weight
- 152.147 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 113-116 °C |
|---|---|
| Boiling Point | 308.1±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 119.9±15.3 °C |
| Exact Mass | 152.047348 |
| PSA | 46.53000 |
| LogP | 1.10 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.588 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Aldehyde oxidase[1] |
|---|---|
| Additional Information | [1]. Panoutsopoulos GI, et al. Enzymatic oxidation of vanillin, isovanillin and protocatechuic aldehyde with freshly prepared Guinea pig liver slices. Cell Physiol Biochem. 2005;15(1-4):89-98. [2]. Sadraei H, et al. Antispasmodic activity of isovanillin and isoacetovanillon in comparison with Pycnocycla spinosa Decne.exBoiss extract on rat ileum. Res Pharm Sci. 2014 May-Jun;9(3):187-92. [3]. Sadraei H, et al. Antidiarrheal activities of isovanillin, iso-acetovanillon and Pycnocycla spinosa Decne ex.Boiss extract in mice. Res Pharm Sci. 2014 Mar-Apr;9(2):83-9. |
Customs & Trade Information
| HS Code | 2912499000 |
|---|---|
| Summary | 2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Isovanillin?
The CAS number of Isovanillin is 621-59-0.
What are the molecular formula and molecular weight of Isovanillin?
Isovanillin has molecular formula C8H8O3 and molecular weight 152.147 g/mol.
Is Isovanillin hazardous?
Isovanillin 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 Isovanillin?
For Isovanillin, Upstream Products: 3-Hydroxy-4-methoxybenzyl alcohol, 3,4-Dihydroxybenzaldehyde, iodomethane; Downstream Products: N-(p-Hydroxyphenethyl)-N-(3-hydroxy-4-methoxy)benzylamine, 2-Chloro-3-hydroxy-4-methoxybenzaldehyde, 3-Hydroxy-4-methoxybenzonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Isovanillin (CAS 621-59-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48809-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.