Trioxsalen
Also known as: Trioxysalen, Trisoralen, 4,5',8-Trimethylpsoralen, Trimethylpsoralen, 2,5,9-Trimethyl-7H-furo[3,2-g][1]benzopyran-7-one, 2,5,9-Trimethylfuro[3,2-g]benzopyran-7-one, 7H-Furo[3,2-g][1]benzopyran-7-one, 2,5,9-trimethyl-
Trioxsalen (CAS 3902-71-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H12O3 and a molecular weight of 228.243 g/mol. Key properties include a melting point of 229-231ºC(lit.), a boiling point of 389.0±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 189.1±24.6 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3902-71-4
- Jingsj CID
- J-1991130-9
- Molecular Formula
- C14H12O3
- Molecular Weight
- 228.243 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 229-231ºC(lit.) |
|---|---|
| Boiling Point | 389.0±30.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 189.1±24.6 °C |
| Exact Mass | 228.078644 |
| PSA | 43.35000 |
| LogP | 3.80 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.613 |
| Additional Property | DMSO: soluble |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H351 — Suspected of causing cancer
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Trioxsalen?
The CAS number of Trioxsalen is 3902-71-4.
What are the molecular formula and molecular weight of Trioxsalen?
Trioxsalen has molecular formula C14H12O3 and molecular weight 228.243 g/mol.
Is Trioxsalen hazardous?
Trioxsalen has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H351 — Suspected of causing cancer.
What are the upstream and downstream products of Trioxsalen?
For Trioxsalen, Upstream Products: 7-Hydroxy-4,8-dimethyl-2H-chromen-2-one, 7-allyloxy-4,8-dimethyl-2H-chromen-2-one; Downstream Products: Elaidic acid methyl ester, 3-(Chloromethyl)-2,5,9-trimethyl-7H-furo[3,2-g]chromen-7-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. "Trioxsalen (CAS 3902-71-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991130-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.