2-Chloro-1,4-dimethoxybenzene
Also known as: 1-Chloro-2,5-dimethoxybenzene, 2,5-Dimethoxychlorobenzene, Chlorohydroquinone dimethyl ether, 2,5-Dimethoxy-4-chlorobenzene, 2,5-Dimethoxyphenyl chloride, Benzene, 2-chloro-1,4-dimethoxy-, Chloro-1,4-dimethoxybenzene, Monochloro-1,4-dimethoxybenzene, O-Chloro-p-dimethoxybenzene
2-Chloro-1,4-dimethoxybenzene (CAS 2100-42-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H9ClO2 and a molecular weight of 172.609 g/mol. Key properties include a melting point of 8.1 °C, a boiling point of 238.2±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 92.7±17.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2100-42-7
- Jingsj CID
- J-4454-2
- Molecular Formula
- C8H9ClO2
- Molecular Weight
- 172.609 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 8.1 °C |
|---|---|
| Boiling Point | 238.2±20.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 92.7±17.0 °C |
| Exact Mass | 172.029114 |
| PSA | 18.46000 |
| LogP | 2.88 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.508 |
| Additional Property | practically insoluble |
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 2-Chloro-1,4-dimethoxybenzene?
The CAS number of 2-Chloro-1,4-dimethoxybenzene is 2100-42-7.
What are the molecular formula and molecular weight of 2-Chloro-1,4-dimethoxybenzene?
2-Chloro-1,4-dimethoxybenzene has molecular formula C8H9ClO2 and molecular weight 172.609 g/mol.
What are the upstream and downstream products of 2-Chloro-1,4-dimethoxybenzene?
For 2-Chloro-1,4-dimethoxybenzene, Upstream Products: 1,4-Dimethoxybenzene, 2,5-Dimethoxyaniline, 3,3,6,6-Tetramethoxy-1,4-cyclohexadiene; Downstream Products: 2,5-dimethoxyphenyl isocyanate, 4-Chloro-2,5-dimethoxyaniline, 4-Chloro-2,5-dimethoxynitrobenzene.
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-Chloro-1,4-dimethoxybenzene (CAS 2100-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4454-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.