3-Chlorophthalide
Also known as: 3-Chloro-2-benzofuran-1(3H)-one, 1(3H)-Isobenzofuranone, 3-chloro-, 3-chloro-1(3H)-isobenzofuranone, 3-chloro-1,3-dihydro-1-isobenzofuranone, 3-chloro-3H-2-benzofuran-1-one, 3-chloroisobenzofuran-1-one, 3-phthalidyl chloride, chlorophthalide, NSC 11815
3-Chlorophthalide (CAS 6295-21-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H5ClO2 and a molecular weight of 168.577 g/mol. Key properties include a melting point of 59-60ºC, a boiling point of 302.6±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 161.2±23.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6295-21-2
- Jingsj CID
- J-1096513-6
- Molecular Formula
- C8H5ClO2
- Molecular Weight
- 168.577 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 59-60ºC |
|---|---|
| Boiling Point | 302.6±42.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 161.2±23.3 °C |
| Exact Mass | 167.997803 |
| PSA | 26.30000 |
| LogP | 1.04 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.597 |
Customs & Trade Information
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-Chlorophthalide?
The CAS number of 3-Chlorophthalide is 6295-21-2.
What are the molecular formula and molecular weight of 3-Chlorophthalide?
3-Chlorophthalide has molecular formula C8H5ClO2 and molecular weight 168.577 g/mol.
What are the upstream and downstream products of 3-Chlorophthalide?
For 3-Chlorophthalide, Upstream Products: Phthalide, 3,3-Dichloro-2-benzofuran-1(3H)-one, 1-(Dichloromethyl)-2-(trichloromethyl)benzene; Downstream Products: 3-methoxyisobenzofuran-1(3H)-one, Methyl 2-formylbenzoate, Phthalide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Chlorophthalide (CAS 6295-21-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1096513-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.