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Cyclopentane-1,1-diacetic acid

Also known as: 3,3-Tetramethyleneglutaric acid, beta,beta-Tetramethyleneglutaric acid, 2-[1-(carboxymethyl)cyclopentyl]acetic acid, Cyclopentane-1,1-diacetic acid, Tetramethyleneglutaric acid

Cyclopentane-1,1-diacetic acid (CAS 16713-66-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H14O4 and a molecular weight of 186.20500 g/mol. Key properties include a melting point of 180-181 °C(lit.), a boiling point of 396.2ºC at 760mmHg, a density of 1.228g/cm3 and a flash point of 207.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16713-66-9
Jingsj CID
J-45471-7
Molecular Formula
C9H14O4
Molecular Weight
186.20500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point180-181 °C(lit.)
Boiling Point396.2ºC at 760mmHg
Density1.228g/cm3
Flash Point207.6ºC
Exact Mass186.08900
PSA74.60000
LogP1.49620
Vapor Pressure2.21E-07mmHg at 25°C

Customs & Trade Information

HS Code2917209090
Summary2917209090 other cyclanic, cyclenic or cyclotherpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Cyclopentane-1,1-diacetic acid?

The CAS number of Cyclopentane-1,1-diacetic acid is 16713-66-9.

What are the molecular formula and molecular weight of Cyclopentane-1,1-diacetic acid?

Cyclopentane-1,1-diacetic acid has molecular formula C9H14O4 and molecular weight 186.20500 g/mol.

What are the upstream and downstream products of Cyclopentane-1,1-diacetic acid?

For Cyclopentane-1,1-diacetic acid, Upstream Products: Diethyl cyclopentane-1,1-dicarboxylate, cyclopentane-1,1-diyldimethanol; Downstream Products: 1,1-Cyclopentanediacetic anhydride, METHYLENECYCLOPENTANE.

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

Last updated:

How to cite: Jingsj. "Cyclopentane-1,1-diacetic acid (CAS 16713-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45471-7 (accessed 2026-11-09).

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