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Permethric acid

Also known as: 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid, 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid, 2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylic acid, DV-chrysanthemic acid, 3-(2,2-dichloroethenyl)-2,2-dimethyl-1-cyclopropanecarboxylic acid, 2-(2,2-dichlorovinyl)-3,3-dimethylcyclopropanecarboxylic acid, dichloro chrysanthemic acid, (±)cis,trans-2,2-dimethyl-3-(2,2-dichloro vinyl cyclopropane carboxylic acid)

Permethric acid (CAS 55701-05-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10Cl2O2 and a molecular weight of 209.07000 g/mol. Key properties include a melting point of 58.33°C (lit.), a boiling point of 290.6ºC at 760 mmHg, a density of 1.433 g/cm3 and a flash point of 129.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55701-05-8
Jingsj CID
J-1472441-3
Molecular Formula
C8H10Cl2O2
Molecular Weight
209.07000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point58.33°C (lit.)
Boiling Point290.6ºC at 760 mmHg
Density1.433 g/cm3
Flash Point129.6ºC
Exact Mass208.00600
PSA37.30000
LogP2.66220

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 Permethric acid?

The CAS number of Permethric acid is 55701-05-8.

What are the molecular formula and molecular weight of Permethric acid?

Permethric acid has molecular formula C8H10Cl2O2 and molecular weight 209.07000 g/mol.

What are the upstream and downstream products of Permethric acid?

For Permethric acid, Upstream Products: 3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarbonyl chloride, ethyl 4,6,6-trichloro-3,3-dimethylhex-5-enoate, Methyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate; Downstream Products: 4-Methyl-2(5H)-furanone, 3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropanecarbonyl chloride, Cypermethrin.

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

Last updated:

How to cite: Jingsj. "Permethric acid (CAS 55701-05-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1472441-3 (accessed 2026-11-06).

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