1,3,5-Trimethoxybenzene
1,3,5-三甲氧基苯
Also known as: Phloroglucinol trimethyl ether, sym-Trimethoxybenzene, Tri-O-methylphloroglucinol, 1,3,5-Trimethoxybenz, 3,5-DIMETHOXYANISOLE, Benzene, 1,3,5-trimethoxy-, TRISMETHOXYBENZENE
1,3,5-Trimethoxybenzene (CAS 621-23-8) 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. It is also known as Phloroglucinol trimethyl ether, sym-Trimethoxybenzene and Tri-O-methylphloroglucinol. Key properties include a melting point of 50-53 °C(lit.), a boiling point of 257.0±20.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 85.6±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 621-23-8
- Jingsj CID
- J-24913-9
- Molecular Formula
- C9H12O3
- Chinese Name
- 1,3,5-三甲氧基苯
- 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 | 50-53 °C(lit.) |
|---|---|
| Boiling Point | 257.0±20.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 85.6±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1,3,5-Trimethoxybenzene?
The CAS number of 1,3,5-Trimethoxybenzene is 621-23-8.
What are the molecular formula and molecular weight of 1,3,5-Trimethoxybenzene?
1,3,5-Trimethoxybenzene has molecular formula C9H12O3 and molecular weight 168.190 g/mol.
Is 1,3,5-Trimethoxybenzene hazardous?
1,3,5-Trimethoxybenzene has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,3,5-Trimethoxybenzene (CAS 621-23-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24913-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.