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1,1'-Carbonyldipyrrolidine

Also known as: Di(pyrrolidin-1-yl)methanone, Dipyrrolidin-1-ylmethanone, Methanone, di-1-pyrrolidinyl-, Ditetrahydro-1H-pyrrol-1-ylmethanone, Bis(tetramethylen)urea, Carbodipiperidide, CDP, MFCD00216641

1,1'-Carbonyldipyrrolidine (CAS 81759-25-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H16N2O and a molecular weight of 168.236 g/mol. Key properties include a boiling point of 258.9±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 104.7±11.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
81759-25-3
Jingsj CID
J-1146506-3
Molecular Formula
C9H16N2O
Molecular Weight
168.236 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point258.9±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point104.7±11.1 °C
Exact Mass168.126266
PSA23.55000
LogP1.07
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.547

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen 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 1,1'-Carbonyldipyrrolidine?

The CAS number of 1,1'-Carbonyldipyrrolidine is 81759-25-3.

What are the molecular formula and molecular weight of 1,1'-Carbonyldipyrrolidine?

1,1'-Carbonyldipyrrolidine has molecular formula C9H16N2O and molecular weight 168.236 g/mol.

What are the upstream and downstream products of 1,1'-Carbonyldipyrrolidine?

For 1,1'-Carbonyldipyrrolidine, Upstream Products: Pyrrolidine, Carbon dioxide, 1-pyrrolidinecarbonyl chloride; Downstream Products: 2-chloro-1,3-dimethylimidazolidinium hexafluorophosphate.

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

Last updated:

How to cite: Jingsj. "1,1'-Carbonyldipyrrolidine (CAS 81759-25-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1146506-3 (accessed 2026-11-07).

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