1,2,4-Trimethoxybenzene
Also known as: Hydroxyhydroquinone trimethyl ether, 1,2,4-Benzenetriol trimethyl ether, 1,2,4-Trimethoxybenzol, 1,4,5-trimethoxybenzene, 2,4,5-trimethoxybenzene, Benzene, 1,2,4-trimethoxy-, EINECS 205-219-7, MFCD00008360
1,2,4-Trimethoxybenzene (CAS 135-77-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H12O3 and a molecular weight of 168.190 g/mol. Key properties include a melting point of 19 - 21ºC, a boiling point of 247.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 77.9±19.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 135-77-3
- Jingsj CID
- J-1510959-8
- Molecular Formula
- C9H12O3
- Molecular Weight
- 168.190 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 19 - 21ºC |
|---|---|
| Boiling Point | 247.0±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 77.9±19.1 °C |
| Exact Mass | 168.078644 |
| PSA | 27.69000 |
| LogP | 1.80 |
| Vapor Pressure | 0.0±0.4 mmHg at 25°C |
| Refractive Index | 1.485 |
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 1,2,4-Trimethoxybenzene?
The CAS number of 1,2,4-Trimethoxybenzene is 135-77-3.
What are the molecular formula and molecular weight of 1,2,4-Trimethoxybenzene?
1,2,4-Trimethoxybenzene has molecular formula C9H12O3 and molecular weight 168.190 g/mol.
What are the upstream and downstream products of 1,2,4-Trimethoxybenzene?
For 1,2,4-Trimethoxybenzene, Upstream Products: 2,4,5-Trimethoxybenzoic acid, 1,2,4-Benzenetriol, Dimethyl sulfate; Downstream Products: 2,4,5-Trimethoxybenzoic acid, 1,2,4-Benzenetriol, 2,4-Dimethoxybenzonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,4-Trimethoxybenzene (CAS 135-77-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510959-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.