Paeonol
Also known as: 1-(2-Hydroxy-4-methoxyphenyl)ethanone, 1-(2-Hydroxy-4-methoxyphenyl)ethan-1-one, 2'-Hydroxy-4'-methoxyacetophenone, 2-Hydroxy-4-methoxyacetophenone, 2-Acetyl-5-methoxyphenol, 4-Methoxy-2-hydroxyacetophenone, Ethanone, 1-(2-hydroxy-4-methoxyphenyl)-, MFCD00008730, EINECS 209-012-2
Paeonol (CAS 552-41-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.174 g/mol. Key properties include a melting point of 48-50 °C(lit.), a boiling point of 301.9±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 122.3±15.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. It is listed by 1 supplier, from 4.90 to 98.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 552-41-0
- Jingsj CID
- J-1316075-3
- Molecular Formula
- C9H10O3
- Molecular Weight
- 166.174 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 分析标准品，≥98% 20mg | ¥98.00 | $0.73 /mgBest ¥4.90/mg CNY | CN China MOQ 20mg | |
In Stock | 99% 100g | ¥2,080.00 | $3.11 /g ¥20.80/g CNY | CN China MOQ 100g | |
In Stock | 99% 25g | ¥628.00 | $3.76 /g ¥25.12/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 48-50 °C(lit.) |
|---|---|
| Boiling Point | 301.9±22.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 122.3±15.8 °C |
| Exact Mass | 166.062988 |
| PSA | 46.53000 |
| LogP | 2.16 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.538 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | IC50: 42.5 μM (MAO-B), 54.6 μM (MAO-A)[1] |
|---|---|
| Additional Information | [1]. Kong LD, et al. Inhibition of MAO A and B by some plant-derived alkaloids, phenols and anthraquinones. J Ethnopharmacol. 2004 Apr;91(2-3):351-5. [2]. Ma L, et al. Paeonol Protects Rat Heart by Improving Regional Blood Perfusion during No-Reflow. Front Physiol. 2016 Jul 21;7:298. |
Customs & Trade Information
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function 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 Paeonol?
The CAS number of Paeonol is 552-41-0.
What are the molecular formula and molecular weight of Paeonol?
Paeonol has molecular formula C9H10O3 and molecular weight 166.174 g/mol.
Which suppliers offer Paeonol?
1 supplier(s) listed; reference unit price ¥4.90–98.00 /mg.
Is Paeonol hazardous?
Paeonol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of Paeonol?
For Paeonol, Upstream Products: 2,4-Dihydroxyacetophenone, Dimethyl sulfate, iodomethane; Downstream Products: 2',5'-Dihydroxyacetophenone, 4-Chromanone, 7-Methoxychroman-4-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Paeonol (CAS 552-41-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1316075-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.