Alternariol
Also known as: 3,7,9-Trihydroxy-1-methyl-6H-dibenzo[b,d]pyran-6-one, 3,7,9-Trihydroxy-1-methyl-6H-benzo[c]chromen-6-one, 1-Methyl-3,7,9-trihydroxy-6H-dibenzo[b,d]pyran-6-one, AOH, Alternariol from Alternaria sp., 6H-Dibenzo[b,d]pyran-6-one, 3,7,9-trihydroxy-1-methyl-
Alternariol (CAS 641-38-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C14H10O5 and a molecular weight of 258.226 g/mol. Key properties include a melting point of 350°C (rough estimate), a boiling point of 586.9±39.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 232.3±20.6 °C. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 641-38-3
- Jingsj CID
- J-1955899-7
- Molecular Formula
- C14H10O5
- Molecular Weight
- 258.226 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 350°C (rough estimate) |
|---|---|
| Boiling Point | 586.9±39.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 232.3±20.6 °C |
| Exact Mass | 258.052826 |
| PSA | 90.90000 |
| LogP | 2.93 |
| Vapor Pressure | 0.0±1.7 mmHg at 25°C |
| Refractive Index | 1.731 |
GHS Safety & Compliance
- H300
- H310
- H330 — Fatal if inhaled
Activity & Biological Data
| Additional Information | [1]. Fliszár-Nyúl E, et al. Interaction of Mycotoxin Alternariol with Serum Albumin. Int J Mol Sci. 2019 May 12;20(9). pii: E2352. [2]. Grover S, et al. The Alternaria alternate Mycotoxin Alternariol Suppresses Lipopolysaccharide-Induced Inflammation. Int J Mol Sci. 2017 Jul 20;18(7). pii: E1577. |
|---|
Customs & Trade Information
| HS Code | 2914400090 |
|---|---|
| Summary | 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。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 Alternariol?
The CAS number of Alternariol is 641-38-3.
What are the molecular formula and molecular weight of Alternariol?
Alternariol has molecular formula C14H10O5 and molecular weight 258.226 g/mol.
Is Alternariol hazardous?
Alternariol has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.
What are the upstream and downstream products of Alternariol?
For Alternariol, Upstream Products: 2,4-Dimethoxy-6-methylbenzaldehyde; Downstream Products: S-Adenosyl-L-homocysteine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Alternariol (CAS 641-38-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955899-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.