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Properties

Melting point:: 49.2°C

Boiling point:: 187-190°C

Density: 1.3225 (estimate)

storage temp.: Sealed in dry,2-8°C

solubility: Chloroform (Sparingly), DMSO (Slightly), Methanol (Slightly)

form: Solid

color: White to off-white

Merck: 13,2787

Henry's Law Constant: 5.0×10¹ mol/(m³Pa) at 25℃, Maniere et al. (2011)

Stability:: Light Sensitive

InChI: 1S/C23H19ClF3NO3/c1-22(2)17(12-19(24)23(25,26)27)20(22)21(29)31-18(13-28)14-7-6-10-16(11-14)30-15-8-4-3-5-9-15/h3-12,17-18,20H,1-2H3/b19-12-/t17-,18+,20-/m0/s1

InChIKey: ZXQYGBMAQZUVMI-GCMPRSNUSA-N

SMILES: CC1(C)[C@@H](\C=C(/Cl)C(F)(F)F)[C@H]1C(=O)O[C@H](C#N)c2cccc(Oc3ccccc3)c2

LogP: 7.000

CAS DataBase Reference: 91465-08-6(CAS DataBase Reference)

NIST Chemistry Reference: «LAMBDA»-cyhalothrin(91465-08-6)

EPA Substance Registry System: .lambda.-Cyhalothrin (91465-08-6)

Safety Information

Symbol(GHS): GHS06,GHS09

Signal word: Danger

Hazard statements: H301+H311-H330-H410

Precautionary statements: P260-P264-P273-P280-P302+P352+P312-P304+P340+P310

PPE: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Hazard Codes: T+;N,N,T+,Xn

Risk Statements: 21-25-26-50/53-20/21/22

Safety Statements: 1/2-28-36/37/39-38-45-60-61-13

RIDADR: UN 2810 6.1/PG 3

WGK Germany: 3

RTECS: GZ1227780

HazardClass: 6.1

PackingGroup: III

Storage Class: 6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials

Hazard Classifications: Acute Tox. 2 Inhalation
Acute Tox. 3 Dermal
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1

Toxicity: LD50 (technical grade) in male, female rats (mg/kg): 79, 56 orally; 632, 696 dermally (Jutsum)

REACH Registrations: Inactive

Use

Cyhalothrin is a broad-spectrum pesticide and acaricide that is used to control a wide range of pests in a variety of applications. It belongs to the pyrethroid, a class of synthetic insecticides which has the similar structure and insecticidal activity of the naturally occurring insecticide pyrethrum, derived from the flowers of chrysanthemums. It is commercially used for controlling insects on non-food crops, greenhouses, hospitals, and crops, such as cotton, cereals, hops, ornamentals, potatoes, vegetables, etc. and it targets various kinds of pests, including aphids, Colorado beetles and butterfly larvae. Besides, it is effective to used in public health applications to control insects identified as potential disease vectors, such as cockroaches, mosquitoes, ticks, and flies. Registered with the EPA in 1988, Cyhalothrin is often preferred as an active ingredient in insecticides because it is proved to be mostly insoluble in water, which is an unlikely water contaminant. It is also nonvolatile, which makes it remain effective for extended periods of time.