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2-Oxa-6-azaspiro[3.3]heptane

Also known as: 2-Oxa-6-azaspiro[3.3]heptane, 2-oxa-6-azaspiro[3.3]heptane, 2-Oxa-6-aza-spiro[3.3]heptane oxalic acid salt, 2-oxa-6-azaspiro[3,3]heptanes oxalic acid salt, 2-oxa-6-azaspiro[3.3]heptanes (Form: oxalate), 2-oxa-6-azaspiro[3.3]heptanes oxalate, BH270, FC0232, spiromorpholine, 2-oxa-1H-pyrrolo[2,3-c]pyridinespiro[3.3]heptane

2-Oxa-6-azaspiro[3.3]heptane (CAS 174-78-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H9NO and a molecular weight of 99.131 g/mol. Key properties include a boiling point of 165.7±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 51.2±16.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
174-78-7
Jingsj CID
J-1149081-6
Molecular Formula
C5H9NO
Molecular Weight
99.131 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point165.7±40.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point51.2±16.8 °C
Exact Mass99.068413
PSA21.26000
LogP-0.55
Vapor Pressure1.9±0.3 mmHg at 25°C
Refractive Index1.514

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 2-Oxa-6-azaspiro[3.3]heptane?

The CAS number of 2-Oxa-6-azaspiro[3.3]heptane is 174-78-7.

What are the molecular formula and molecular weight of 2-Oxa-6-azaspiro[3.3]heptane?

2-Oxa-6-azaspiro[3.3]heptane has molecular formula C5H9NO and molecular weight 99.131 g/mol.

What are the upstream and downstream products of 2-Oxa-6-azaspiro[3.3]heptane?

For 2-Oxa-6-azaspiro[3.3]heptane, Upstream Products: 6-[(4-methylphenyl)sulfonyl]-2-oxa-6-azaspiro[3.3]heptane; Downstream Products: 2-Oxa-6-azaspiro[3.3]heptane oxalate.

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-Oxa-6-azaspiro[3.3]heptane (CAS 174-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1149081-6 (accessed 2026-11-09).

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