1-Cyclopropyl-1,3-butanedione

1-环丙基-1,3-丁二酮

Also known as: 1-Cyclopropylbutane-1,3-dione, Acetoacetyl cyclopropane, Cyclopropionylacetone, 1,3-Butanedione, 1-cyclopropyl-

1-Cyclopropyl-1,3-butanedione (CAS 21573-10-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H10O2 and a molecular weight of 126.153 g/mol. It is also known as 1-Cyclopropylbutane-1,3-dione, Acetoacetyl cyclopropane and Cyclopropionylacetone. Key properties include a boiling point of 198.5±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 70.1±16.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21573-10-4
Jingsj CID: J-1148265-7
Molecular Formula: C₇H₁₀O₂
Chinese Name: 1-环丙基-1,3-丁二酮
Molecular Weight: 126.153 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	198.5±13.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	70.1±16.8 °C
Exact Mass	126.068077
PSA	34.14000
LogP	0.71
Vapor Pressure	0.4±0.4 mmHg at 25°C
Refractive Index	1.476
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2914299000
Summary	2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Cyclopropyl-1,3-butanedione?

The CAS number of 1-Cyclopropyl-1,3-butanedione is 21573-10-4.

What are the molecular formula and molecular weight of 1-Cyclopropyl-1,3-butanedione?

1-Cyclopropyl-1,3-butanedione has molecular formula C7H10O2 and molecular weight 126.153 g/mol.

What are the upstream and downstream products of 1-Cyclopropyl-1,3-butanedione?

For 1-Cyclopropyl-1,3-butanedione, Upstream Products: Cyclopropyl methyl ketone, Ethyl acetate, Cyclopropanecarboxylic acid; Downstream Products: Cyprodinil, 2-Chloro-1-cyclopropyl-1,3-butanedione.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-Cyclopropyl-1,3-butanedione (CAS 21573-10-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1148265-7 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.