2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride
Also known as: 1,4-Benzodioxan-2-carbonyl chloride, 1,4-Benzodioxane-2-carbonyl chloride, 2,3-Dihydrobenzo[b][1,4]dioxine-2-carbonyl chloride, 1,4-Benzodioxin-2-carbonyl chloride, 2,3-dihydro-, 2,3-Dihydrobenzo[1,4]dioxine-2-carbonyl chloride, 2-benzodioxanylcarbonyl chloride
2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride (CAS 3663-81-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H7ClO3 and a molecular weight of 198.60300 g/mol. Key properties include a melting point of 56-59ºC, a boiling point of 279.9ºC at 760mmHg, a density of 1.374g/cm3 and a flash point of 123.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3663-81-8
- Jingsj CID
- J-43627-1
- Molecular Formula
- C9H7ClO3
- Molecular Weight
- 198.60300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 56-59ºC |
|---|---|
| Boiling Point | 279.9ºC at 760mmHg |
| Density | 1.374g/cm3 |
| Flash Point | 123.2ºC |
| Exact Mass | 198.00800 |
| PSA | 35.53000 |
| LogP | 1.59180 |
| Refractive Index | 1.556 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. 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 2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride?
The CAS number of 2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride is 3663-81-8.
What are the molecular formula and molecular weight of 2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride?
2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride has molecular formula C9H7ClO3 and molecular weight 198.60300 g/mol.
What are the upstream and downstream products of 2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride?
For 2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride, Upstream Products: 1,4-Benzodioxane-2-carboxylic acid, Methyl 1,4-benzodioxan-2-carboxylate, Ethyl 2,3-dihydro-1,4-benzodioxine-2-carboxylate; Downstream Products: 1-(2,3-Dihydro-1,4-benzodioxin-2-ylcarbonyl)piperazine hydrochloride, 4-[(2,3-dihydro-1,4-benzodioxin-2-ylcarbonyl)amino]benzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride (CAS 3663-81-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43627-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.