3,4-Dihydro-2H-1,4-benzoxazine-2-carboxylic acid
3,4-二氢-2H-1,4-苯并噁嗪-2-羧酸
Also known as: 3,4-dihydro-2H-benzo[1,4]oxazine-2-carboxylic acid, 3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylic acid, (+/-)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylic acid, 2H-1,4-Benzoxazine-2-carboxylic acid, 3,4-dihydro-
3,4-Dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 90563-93-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9NO3 and a molecular weight of 179.17300 g/mol. It is also known as 3,4-dihydro-2H-benzo[1,4]oxazine-2-carboxylic acid, 3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylic acid and (+/-)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylic acid. Key properties include a melting point of 175-177ºC, a boiling point of 399.7ºC at 760mmHg, a density of 1.321g/cm3 and a flash point of 195.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 90563-93-2
- Jingsj CID
- J-1524268-8
- Molecular Formula
- C9H9NO3
- Chinese Name
- 3,4-二氢-2H-1,4-苯并噁嗪-2-羧酸
- Molecular Weight
- 179.17300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 175-177ºC |
|---|---|
| Boiling Point | 399.7ºC at 760mmHg |
| Density | 1.321g/cm3 |
| Flash Point | 195.6ºC |
Frequently Asked Questions
What is the CAS number of 3,4-Dihydro-2H-1,4-benzoxazine-2-carboxylic acid?
The CAS number of 3,4-Dihydro-2H-1,4-benzoxazine-2-carboxylic acid is 90563-93-2.
What are the molecular formula and molecular weight of 3,4-Dihydro-2H-1,4-benzoxazine-2-carboxylic acid?
3,4-Dihydro-2H-1,4-benzoxazine-2-carboxylic acid has molecular formula C9H9NO3 and molecular weight 179.17300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 90563-93-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524268-8 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.