Cypermethrin

Description

ALPHACYPERMETHRIN · CAS 137497-61-1 · C22H19Cl2NO3. UNII 1TR49121NP. Melting Point: 70 °C; Melting Point: MP: 60-80 °C (technical); Melting Point: 60-80 °C.

Identification

CAS Registry Number	137497-61-1
PubChem CID	2912
Molecular formula	C22H19Cl2NO3
IUPAC name	[cyano-(3-phenoxyphenyl)methyl] 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
UNII (FDA)	1TR49121NP

Computed Descriptors

Molecular Weight	416.3
XLogP3	6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	7
Exact Mass	415.0741989
Monoisotopic Mass	415.0741989
Topological Polar Surface Area	59.3
Heavy Atom Count	28
Formal Charge	0

Physical & Chemical Properties

Melting Point	70 °C
Melting Point	MP: 60-80 °C (technical)
Melting Point	60-80 °C
Melting Point	158 °F
Solubility	In water, 4X10-3 mg/L at 20 °C
Density	1.25 g/cu cm at 20 °C
Vapor Density	1.25
Vapor Pressure	1.7X10-9 mm Hg at 20 °C
Vapor Pressure	1.7x10-9 mmHg
LogP	log Kow = 6.60

Physical description & handling notes

• An emulsifiable concentrate or wettable powder composed of a mixture of eight different isomers; [EXTOXNET]
• YELLOW VISCOUS LIQUID-TO-PASTE WITH CHARACTERISTIC ODOUR.
• Yellow viscous liquid or semi-solid. Pure isomers are colorless crystals.
• Viscous semi-solid
• Colorless crystals - pure isomers
• Odorless

Regulatory Status

Regulatory & Food Contact	INSECTICIDE: Veterinary Drug JECFA ADI: 0-0.02 mg/kg/d TRS 925-JECFA 62/12 FAS 53-JECFA 62/91

GHS Hazard Classification

Reported hazard statements	H302, H332, H335, H373, H400, H410, H315, H317

Documented Uses

• Pyrethrins are insecticides used mainly in households; Also used to kill insects on pets and in grain storage bins and poultry pens. Dusts containing 0.3% to 0.5% pyrethrins are used on crops. [EXTOXNET]
• Insecticides (pyrethroid ester insecticides) (Compend Pest Common Names available at
• For more Uses (Complete) data for CYPERMETHRIN (9 total), please visit the HSDB record page.
• Pyrethroids are used as insecticides. (L857)
• Veterinary Drug -> INSECTICIDE -> JECFA Functional Classes
• Information on 62 consumer products that contain Cypermethrin in the following categories is provided:

Synonyms

cypermethrin; 52315-07-8; Supercypermethrin; Barricade; Ripcord; Ammo; Cypermethrine; Agrothrin; Basathrin; Cyperkill; Cymbush; Sherpa; Ustaad; Ardap; Creokhin; Cymperator

Frequently Asked Questions

What are the CAS number and molecular formula of ALPHACYPERMETHRIN?

CAS 137497-61-1; molecular formula C22H19Cl2NO3; molecular weight — g/mol.

What other names is ALPHACYPERMETHRIN known by?

cypermethrin, 52315-07-8, Supercypermethrin, Barricade, Ripcord, Ammo.

What is the regulatory status of ALPHACYPERMETHRIN?

Documented regulatory listings: INSECTICIDE: Veterinary Drug; JECFA ADI: 0-0.02 mg/kg/d; TRS 925-JECFA 62/12.

Is ALPHACYPERMETHRIN classified as hazardous?

Hazard statements reported: H302, H332, H335, H373, H400.

What are the key physical properties of ALPHACYPERMETHRIN?

Melting Point: 70 °C; Melting Point: MP: 60-80 °C (technical); Melting Point: 60-80 °C; Melting Point: 158 °F.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.