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2,2,3,3-tetramethylcyclopropane-1-carboxylic acid

Also known as: 2,2,3,3-Tetramethylcyclopropanecarboxylic acid, Fenpropathric acid, 2,2,3,3-Tetramethyl-1-cyclopropanecarboxylic acid, 2,2,3,3-Tetramethylcyclopropane-1-carboxylic acid, 2,2,3,3-Tetramethylcyclopropylcarboxylic acid, 3-Carboxy-1,1,2,2-tetramethylcyclopropane, MFCD00011538

2,2,3,3-tetramethylcyclopropane-1-carboxylic acid (CAS 15641-58-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O2 and a molecular weight of 142.19600 g/mol. Key properties include a melting point of 120-121 °C(lit.), a boiling point of 204.8ºC at 760 mmHg, a density of 0.999 g/cm3 and a flash point of 97.5ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15641-58-4
Jingsj CID
J-17038-9
Molecular Formula
C8H14O2
Molecular Weight
142.19600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point120-121 °C(lit.)
Boiling Point204.8ºC at 760 mmHg
Density0.999 g/cm3
Flash Point97.5ºC
Exact Mass142.09900
PSA37.30000
LogP1.75320
Vapor Pressure0.106mmHg at 25°C
Refractive Index1.454

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2916209090
Summary2916209090 other cyclanic, cyclenic or cyclotherpenic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid?

The CAS number of 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid is 15641-58-4.

What are the molecular formula and molecular weight of 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid?

2,2,3,3-tetramethylcyclopropane-1-carboxylic acid has molecular formula C8H14O2 and molecular weight 142.19600 g/mol.

Is 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid hazardous?

2,2,3,3-tetramethylcyclopropane-1-carboxylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid?

For 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid, Upstream Products: tetramethylethylene, Ethyl 2,2,3,3-tetramethylcyclopropane-1-carboxylate, Ethyl diazoacetate; Downstream Products: Fenpropathrin, 2,2,3,3-Tetramethylcyclopropanecarbonyl chloride, Ethyl 2,2,3,3-tetramethylcyclopropane-1-carboxylate.

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

Last updated:

How to cite: Jingsj. "2,2,3,3-tetramethylcyclopropane-1-carboxylic acid (CAS 15641-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17038-9 (accessed 2026-11-06).

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