2-Methoxy-1,4-naphthoquinone
Also known as: Lawsone methyl ether, 1,4-Naphthalenedione,2-methoxy-, 2-Methoxy-1,4-naphthalenedione, 2-Methoxy-[1,4]naphthoquinone, 2-Methoxy-p-naphthoquinone, 2-Methoxynaphthoquinone, 2-methoxy-1,4-naphthalenequinone, 2-methoxyl-1,4-naphthoquinone, 2-methoxynaphthalene-1,4-dione, MFCD00019539, Methoxy-1,4-naphthochinin
2-Methoxy-1,4-naphthoquinone (CAS 2348-82-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H8O3 and a molecular weight of 188.17900 g/mol. Key properties include a melting point of 184-187ºC(lit.), a boiling point of 339.8ºC at 760mmHg, a density of 1.28g/cm3 and a flash point of 152.7ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2348-82-5
- Jingsj CID
- J-41265-7
- Molecular Formula
- C11H8O3
- Molecular Weight
- 188.17900 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 184-187ºC(lit.) |
|---|---|
| Boiling Point | 339.8ºC at 760mmHg |
| Density | 1.28g/cm3 |
| Flash Point | 152.7ºC |
| Exact Mass | 188.04700 |
| PSA | 43.37000 |
| LogP | 1.59590 |
| Vapor Pressure | 8.98E-05mmHg at 25°C |
| Refractive Index | 1.589 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Sritrairat N, et al. Antifungal activity of lawsone methyl ether in comparison with chlorhexidine. J Oral Pathol Med. 2011 Jan;40(1):90-6. |
|---|
Customs & Trade Information
| HS Code | 2914690090 |
|---|---|
| Summary | 2914690090 other quinones。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 2-Methoxy-1,4-naphthoquinone?
The CAS number of 2-Methoxy-1,4-naphthoquinone is 2348-82-5.
What are the molecular formula and molecular weight of 2-Methoxy-1,4-naphthoquinone?
2-Methoxy-1,4-naphthoquinone has molecular formula C11H8O3 and molecular weight 188.17900 g/mol.
Is 2-Methoxy-1,4-naphthoquinone hazardous?
2-Methoxy-1,4-naphthoquinone has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-Methoxy-1,4-naphthoquinone?
For 2-Methoxy-1,4-naphthoquinone, Upstream Products: 2-Chloro-1,4-naphthoquinone, 2-Methoxynaphthalene, 3-Methoxynaphthalen-1-ol; Downstream Products: 2,2'-Bis(3-hydroxy-1,4-naphthoquinone), Lapachol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Methoxy-1,4-naphthoquinone (CAS 2348-82-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41265-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.