Syringaldehyde
Also known as: 3,5-Dimethoxy-4-hydroxybenzaldehyde, 4-Hydroxy-3,5-dimethoxybenzaldehyde, Syringic aldehyde, Syringylaldehyde
Syringaldehyde (CAS 134-96-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10O4 and a molecular weight of 182.173 g/mol. Key properties include a melting point of 110-113 °C(lit.), a boiling point of 322.1±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 130.1±20.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 134-96-3
- Jingsj CID
- J-25014-2
- Molecular Formula
- C9H10O4
- Molecular Weight
- 182.173 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 110-113 °C(lit.) |
|---|---|
| Boiling Point | 322.1±37.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 130.1±20.0 °C |
| Exact Mass | 182.057907 |
| PSA | 55.76000 |
| LogP | 0.86 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.568 |
| Additional Property | very sparingly soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | COX-2:19.2 μM (IC50) |
|---|---|
| Additional Information | [1]. Shahzad S, et al. Protective effect of syringaldehyde on biomolecular oxidation, inflammation and histopathological alterations in isoproterenol induced cardiotoxicity in rats. Biomed Pharmacother. 2018 Dec;108:625-633. [2]. Stanikunaite R, et al. Cyclooxygenase-2 inhibitory and antioxidant compounds from the truffle Elaphomyces granulatus. Phytother Res. 2009 Apr;23(4):575-8. |
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 Syringaldehyde?
The CAS number of Syringaldehyde is 134-96-3.
What are the molecular formula and molecular weight of Syringaldehyde?
Syringaldehyde has molecular formula C9H10O4 and molecular weight 182.173 g/mol.
Is Syringaldehyde hazardous?
Syringaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Syringaldehyde?
For Syringaldehyde, Upstream Products: Methylsyringol, 3,4,5-Trimethoxybenzaldehyde, 4-Hydroxy-3,5-dimethoxybenzyl alcohol; Downstream Products: 5-Hydroxyvanillin, 3-(4-Hydroxy-3,5-dimethoxyphenyl)propanoic acid, 2,6-Dimethoxy-4-ethylphenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Syringaldehyde (CAS 134-96-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25014-2 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.