Daidzein
Also known as: 4',7-Dihydroxyisoflavone, 4,7-Dihydroxyisoflavone, 7-Hydroxy-3-(4-hydroxyphenyl)-4H-chromen-4-one, 7-Hydroxy-3-(4-hydroxyphenyl)chromone, Daidzeol, Daizeol, Tatoin, K 251-6, k251b, Soybean Extract, Isoflavone
Daidzein (CAS 486-66-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H10O4 and a molecular weight of 254.238 g/mol. Key properties include a melting point of 315-323°C (dec.), a boiling point of 512.8±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 201.2±23.6 °C. It is classified under GHS with signal word Warning and hazard statements 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.
- 486-66-8
- Jingsj CID
- J-3362-5
- Molecular Formula
- C15H10O4
- Molecular Weight
- 254.238 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 315-323°C (dec.) |
|---|---|
| Boiling Point | 512.8±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 201.2±23.6 °C |
| Exact Mass | 254.057907 |
| PSA | 70.67000 |
| LogP | 2.78 |
| Vapor Pressure | 0.0±1.4 mmHg at 25°C |
| Refractive Index | 1.699 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Activity & Biological Data
| Target | PPAR-α PPAR-γ |
|---|---|
| Additional Information | [1]. Sakamoto Y1, et al. The Dietary Isoflavone Daidzein Reduces Expression of Pro-Inflammatory Genes through PPARα/γ and JNK Pathways in Adipocyte and Macrophage Co-Cultures. PLoS One. 2016 Feb 22;11(2):e0149676. [2]. Kim E, et al. Daidzein Augments Cholesterol Homeostasis via ApoE to Promote Functional Recovery in Chronic Stroke. J Neurosci. 2015 Nov 11;35(45):15113-26. |
Frequently Asked Questions
What is the CAS number of Daidzein?
The CAS number of Daidzein is 486-66-8.
What are the molecular formula and molecular weight of Daidzein?
Daidzein has molecular formula C15H10O4 and molecular weight 254.238 g/mol.
Is Daidzein hazardous?
Daidzein has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Daidzein?
For Daidzein, Upstream Products: Formononetin, 2-Bromo-4'-hydroxyacetophenone, 2,4-Dihydroxybenzaldehyde; Downstream Products: 6,7,4'-Trihydroxyisoflavone, Glycitein, 3',4',7-Trihydroxyisoflavone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Daidzein (CAS 486-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3362-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.