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alpha-Cypermethrin

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Name

alpha-Cypermethrin

EINECS 257-842-9
CAS No. 67375-30-8 Density 1.329 g/cm3
PSA 118.64000 LogP 12.35600
Solubility 0.01 mg l-1 (25 °C) Melting Point 78-81 °C
Formula C22H19Cl2NO3 Boiling Point 511.3 °C at 760 mmHg
Molecular Weight 416.304 Flash Point 263 °C
Transport Information UN 2810 6.1/PG 3 Appearance colourless crystals or white powder
Safety 24-36/37/39-60-61-45 Risk Codes 20/22-37-50/53-48/22-25
Molecular Structure Molecular Structure of 67375-30-8 (alpha-Cypermethrin) Hazard Symbols HarmfulXn, DangerousN, ToxicT
Synonyms

Alfoxylate;Fastac;Aeralfam;Alphamethrin;Cyclopropanecarboxylic acid,3-(2,2-dichloroethenyl)-2,2-dimethyl-,(R)-cyano(3-phenoxyphenyl)methyl ester,(1S,3S)-rel-;Ultimate;Cismix;Bestox;Dominex;α -Cypermethrin;Alpha cypermethrion;

 

alpha-Cypermethrin Chemical Properties


IUPAC Name: [Cyano-(3-phenoxyphenyl)methyl](1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
Canonical SMILES: CC1(C(C1C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3)C=C(Cl)Cl)C
Molecular Formula: C22H19Cl2NO3
Molecular Weight: 416.30
Melting point: 78-81 °C 
rage temp.: −20 °C
Appearance: White or milky yellow crystal or powder
Stability: Stable in neutral and weak acidic condition. Easily decomposed in alkaline. Undecomposed for two years when stored under normal temperature.
EINECS: 257-842-9 
Index of Refraction: 1.621
Molar Refractivity: 110.24 cm3
Molar Volume: 313.1 cm3
Surface Tension: 55.3 dyne/cm
Density: 1.329 g/cm3
Flash Point: 263 °C
Enthalpy of Vaporization: 78.23 kJ/mol
Boiling Point: 511.3 °C at 760 mmHg
Vapour Pressure: 1.43E-10 mmHg at 25 °C
Product Categories: AcaricidesPesticides&Metabolites; Alpha sort; C; CAlphabetic; CO - CZMethod Specific; Endocrine Disruptors (Draft)Method Specific; EPA; Insecticides; Oeko-Tex Standard 100; Pesticides; Pesticides&Metabolites; PesticidesPesticides; PyrethroidsMore...Close...
Classification Code of alpha-Cypermethrin (CAS NO.67375-30-8): Agricultural Chemical; Insecticide; Mutation data

alpha-Cypermethrin Uses

 alpha-Cypermethrin has the effect of toxicity and stomach toxicity to insects.

alpha-Cypermethrin Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin > 2gm/kg (2000mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C17, 1991.
rat LD50 inhalation > 1900mg/m3/4H (1900mg/m3) BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
National Technical Information Service. Vol. OTS0539731,
rat LD50 oral 79mg/kg (79mg/kg)   Pesticide Manual. Vol. 9, Pg. 210, 1991.
rat LD50 skin 500mg/kg (500mg/kg)   Pesticide Manual. Vol. 9, Pg. 210, 1991.

alpha-Cypermethrin Safety Profile

Hazard Codes: HarmfulXn,DangerousN,ToxicT
Risk Statements: 20/22-37-50/53-48/22-25 
R20/22:Harmful by inhalation and if swallowed. 
R37:Irritating to respiratory system 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R48/22:Harmful: danger of serious damage to health by prolonged exposure if swallowed.
R25 :Toxic if swallowed.
Safety Statements: 24-36/37/39-60-61-45 
S24:Avoid contact with skin. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 2810 6.1/PG 3
WGK Germany: 3
RTECS: GZ1250000
HazardClass: 6.1(b)
PackingGroup: III

alpha-Cypermethrin Specification

  alpha-Cypermethrin (CAS NO.67375-30-8), its Synonyms are Alphacypermethrin ; (+-)-Alphamethrin ; (1R cis S) and (1S cis R) enantiomeric isomer pair of alpha-Cyano-3-phenoxybenzyl-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane carboxylate ; (1alpha(S*),3alpha)-(+-)-Cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate ; Aeralfam ; Alfamethrin ; Alfazot ; Alfoxylate ; Alphacypermethrin ; Alphamethrin ; Bestox ; Cismix .

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