1,2,3,4-Tetramethoxybenzene
Also known as: 1,2,3,4-TETRAMETHOXYBENZENE, 1,2,3,4-tetramethoxybenzene, Benzene, 1,2,3,4-tetramethoxy-
1,2,3,4-Tetramethoxybenzene (CAS 21450-56-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H14O4 and a molecular weight of 198.21600 g/mol. Key properties include a boiling point of 259.5ºC at 760 mmHg, a density of 1.068 g/cm3 and a flash point of 100.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21450-56-6
- Jingsj CID
- J-1505733-7
- Molecular Formula
- C10H14O4
- Molecular Weight
- 198.21600 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 259.5ºC at 760 mmHg |
|---|---|
| Density | 1.068 g/cm3 |
| Flash Point | 100.9ºC |
| Exact Mass | 198.08900 |
| PSA | 36.92000 |
| LogP | 1.72100 |
| Vapor Pressure | 0.0209mmHg at 25°C |
| Refractive Index | 1.483 |
Customs & Trade Information
| HS Code | 2909309090 |
|---|---|
| Summary | 2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives 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 1,2,3,4-Tetramethoxybenzene?
The CAS number of 1,2,3,4-Tetramethoxybenzene is 21450-56-6.
What are the molecular formula and molecular weight of 1,2,3,4-Tetramethoxybenzene?
1,2,3,4-Tetramethoxybenzene has molecular formula C10H14O4 and molecular weight 198.21600 g/mol.
What are the upstream and downstream products of 1,2,3,4-Tetramethoxybenzene?
For 1,2,3,4-Tetramethoxybenzene, Upstream Products: 2,3,4-Trimethoxyphenol, Dimethyl sulfate, iodomethane; Downstream Products: 2,3,4,5-Tetramethoxytoluene, Nobiletin, 2,3-dimethoxy-1,4-benzoquinone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,3,4-Tetramethoxybenzene (CAS 21450-56-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505733-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.