1,4-Benzodioxane-2-carboxylic acid
Also known as: 1,4-Benzodioxan-2-carboxylic acid, 2,3-Dihydro-1,4-benzodioxin-2-carboxylic acid, 2,3-Dihydro-1,4-benzodioxine-2-carboxylic acid, 2,3-Dihydrobenzo[b][1,4]dioxine-2-carboxylic acid, Doxazosin EP Impurity A, Doxazosin Related Compound D, MFCD00084888, RAC 1,4-BENZODIOXANE-2-CARBOXYLIC ACID, RARECHEM AL BO 1613, UNII:T9Z56HV1B0
1,4-Benzodioxane-2-carboxylic acid (CAS 3663-80-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H8O4 and a molecular weight of 180.157 g/mol. Key properties include a melting point of 126-130 °C(lit.), a boiling point of 347.2±41.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 145.4±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3663-80-7
- Jingsj CID
- J-48048-8
- Molecular Formula
- C9H8O4
- Molecular Weight
- 180.157 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 126-130 °C(lit.) |
|---|---|
| Boiling Point | 347.2±41.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 145.4±21.1 °C |
| Exact Mass | 180.042252 |
| PSA | 55.76000 |
| LogP | 1.25 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.575 |
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 1,4-Benzodioxane-2-carboxylic acid?
The CAS number of 1,4-Benzodioxane-2-carboxylic acid is 3663-80-7.
What are the molecular formula and molecular weight of 1,4-Benzodioxane-2-carboxylic acid?
1,4-Benzodioxane-2-carboxylic acid has molecular formula C9H8O4 and molecular weight 180.157 g/mol.
What are the upstream and downstream products of 1,4-Benzodioxane-2-carboxylic acid?
For 1,4-Benzodioxane-2-carboxylic acid, Upstream Products: Methyl 1,4-benzodioxan-2-carboxylate, 2,3-dihydro-1,4-benzodioxine-2-carbonitrile, Ethyl 2,3-dihydro-1,4-benzodioxine-2-carboxylate; Downstream Products: Ethyl 2,3-dihydro-1,4-benzodioxine-2-carboxylate, Methyl 1,4-benzodioxan-2-carboxylate, 2,3-Dihydro-1,4-benzodioxine-2-carbonyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4-Benzodioxane-2-carboxylic acid (CAS 3663-80-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48048-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.