3,4-Dihydro-2H-1,4-benzoxazine
Also known as: 2,3-dihydro-1,4-benzoxazine, 2H-1,4-Benzoxazine, 3,4-dihydro-, Benzomorpholine, 7-Oxa-10-azabicyclo[4.4.0]deca-1,3,5-triene, AKOS BBS-00002717, AKOS BC-1149, CHEMBRDG-BB 4005008
3,4-Dihydro-2H-1,4-benzoxazine (CAS 5735-53-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H9NO and a molecular weight of 135.163 g/mol. Key properties include a boiling point of 250.6±20.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 91.0±11.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5735-53-5
- Jingsj CID
- J-1067227-5
- Molecular Formula
- C8H9NO
- Molecular Weight
- 135.163 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 250.6±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 91.0±11.2 °C |
| Exact Mass | 135.068420 |
| PSA | 21.26000 |
| LogP | 1.64 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.541 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 3,4-Dihydro-2H-1,4-benzoxazine?
The CAS number of 3,4-Dihydro-2H-1,4-benzoxazine is 5735-53-5.
What are the molecular formula and molecular weight of 3,4-Dihydro-2H-1,4-benzoxazine?
3,4-Dihydro-2H-1,4-benzoxazine has molecular formula C8H9NO and molecular weight 135.163 g/mol.
What are the upstream and downstream products of 3,4-Dihydro-2H-1,4-benzoxazine?
For 3,4-Dihydro-2H-1,4-benzoxazine, Upstream Products: 1,2-Dibromoethane, 2-Aminophenol, 2H-1,4-benzoxazin-3(4H)-one; Downstream Products: 4-Methyl-2,3-dihydro-1,4-benzoxazine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Dihydro-2H-1,4-benzoxazine (CAS 5735-53-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1067227-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.