Dimethyl 5-chloroisophthalate
Also known as: 1,3-Benzenedicarboxylic acid, 5-chloro-, dimethyl ester, 1,3-Benzenedicarboxylicacid, 5-chloro-, 1,3-dimethyl ester, 5-Chloro-1,3-benzenedicarboxylic acid 1,3-dimethyl ester, 5-chloro-isophthalic acid dimethyl ester, dimethyl 5-chlorobenzene-1,3-dicarboxylate, methyl 5-chloro-1,3-dibenzoate, NSC 13963, MFCD00079752
Dimethyl 5-chloroisophthalate (CAS 20330-90-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9ClO4 and a molecular weight of 228.629 g/mol. Key properties include a melting point of 78ºC, a boiling point of 316.0±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 132.8±21.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20330-90-9
- Jingsj CID
- J-1412978-3
- Molecular Formula
- C10H9ClO4
- Molecular Weight
- 228.629 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 78ºC |
|---|---|
| Boiling Point | 316.0±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 132.8±21.3 °C |
| Exact Mass | 228.018936 |
| PSA | 52.60000 |
| LogP | 3.16 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.530 |
Customs & Trade Information
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Dimethyl 5-chloroisophthalate?
The CAS number of Dimethyl 5-chloroisophthalate is 20330-90-9.
What are the molecular formula and molecular weight of Dimethyl 5-chloroisophthalate?
Dimethyl 5-chloroisophthalate has molecular formula C10H9ClO4 and molecular weight 228.629 g/mol.
What are the upstream and downstream products of Dimethyl 5-chloroisophthalate?
For Dimethyl 5-chloroisophthalate, Upstream Products: 1,3-Benzenedicarbonyl dichloride, Methanol; Downstream Products: 3-Chloro-5-(methoxycarbonyl)benzoic acid, Dimethyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isophthalate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethyl 5-chloroisophthalate (CAS 20330-90-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1412978-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.