3-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine

Also known as: 2H-1,4-Benzoxazine, 3-(1,1-dimethylethyl)-3,4-dihydro-, 3,4-Dihydro-3-tert-butyl-1,4-benzoxazine, 3-(tert-Butyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine, 3-(tert-butyl)-3,4-dihydro-2H-1,4-benzoxazine, 3-tert-butyl-3,4-dihydro-2H-benzo[1,4]oxazine, butyldihydrobenzoxazine

3-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine (CAS 32278-16-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H17NO and a molecular weight of 191.26900 g/mol. Key properties include a melting point of 66.5-77ºC, a boiling point of 287.9ºC at 760 mmHg, a density of 1.008 g/cm3 and a flash point of 116.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 32278-16-3
Jingsj CID: J-999347-9
Molecular Formula: C₁₂H₁₇NO
Molecular Weight: 191.26900 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	66.5-77ºC
Boiling Point	287.9ºC at 760 mmHg
Density	1.008 g/cm3
Flash Point	116.6ºC
Exact Mass	191.13100
PSA	21.26000
LogP	3.04360
Refractive Index	1.512

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-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine?

The CAS number of 3-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine is 32278-16-3.

What are the molecular formula and molecular weight of 3-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine?

3-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine has molecular formula C12H17NO and molecular weight 191.26900 g/mol.

What are the upstream and downstream products of 3-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine?

For 3-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine, Upstream Products: 2-Nitrophenol, 1-Bromopinacolone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-tert-butyl-3,4-dihydro-2H-1,4-benzoxazine (CAS 32278-16-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-999347-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.