Phthaloyl chloride
Also known as: 1,2-Benzenedicarbonyl dichloride, 1,2-Bis(chlorocarbonyl)benzene, Phthalic chloride, Phthalic dichloride, Phthaloyl dichloride, Phthalyl dichloride, benzene-1,2-dicarbonyl chloride, benzenedioylchloride, o-Phthaloyl chloride, o-Phthalic acid dichloride
Phthaloyl chloride (CAS 88-95-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H4Cl2O2 and a molecular weight of 203.022 g/mol. Key properties include a melting point of 6-12 °C(lit.), a boiling point of 281.7±13.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 135.4±15.4 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 88-95-9
- Jingsj CID
- J-944115-4
- Molecular Formula
- C8H4Cl2O2
- Molecular Weight
- 203.022 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 6-12 °C(lit.) |
|---|---|
| Boiling Point | 281.7±13.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 135.4±15.4 °C |
| Exact Mass | 201.958832 |
| PSA | 34.14000 |
| LogP | 1.65 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.571 |
| Additional Property | decomposes |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
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 Phthaloyl chloride?
The CAS number of Phthaloyl chloride is 88-95-9.
What are the molecular formula and molecular weight of Phthaloyl chloride?
Phthaloyl chloride has molecular formula C8H4Cl2O2 and molecular weight 203.022 g/mol.
Is Phthaloyl chloride hazardous?
Phthaloyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Phthaloyl chloride?
For Phthaloyl chloride, Upstream Products: Phthalic anhydride, Phthalic acid, 4-Chlorobenzotrichloride; Downstream Products: Thalidomide, 1,3-Indandione, 2-Acetyl-1,3-indanedione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phthaloyl chloride (CAS 88-95-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-944115-4 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.