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Clofentezine

Clofentezine structure

CAS No:
74115-24-5
Formula:
C14H8Cl2N4
Chemical Name:
Clofentezine
Synonyms:
1,2,4,5-Tetrazine,3,6-bis(2-chlorophenyl)-;3,6-Bis(2-chlorophenyl)-1,2,4,5-tetrazine;NC 21314;Apollo;Apollo 50W;Bisclofentezin;Apollo (pesticide);Clofentezine;Bisclofentezine;Acaristop;Apollo SOSC;ManSiJing;3,6-Di-2-chlorophenyl-1,2,4,5-tetrazine;88025-82-5
Categories:
Agrochemicals > Insecticides

Description

Clofentezine, a growth inhibitor, has sublethal effects on life-table parameters of Tetranychus urticae Koch females.

Clofentezine is a tetrazine that is 1,2,4,5-tetrazine in which both of the hydrogens have been replaced by o-chlorophenyl groups. It has a role as a mite growth regulator and a tetrazine acaricide. It is an organochlorine acaricide, a member of monochlorobenzenes and a tetrazine. It derives from a hydride of a 1,2,4,5-tetrazine.

Clofentezine Basic Attributes

Molecular Weight：

303.15

Exact Mass：

303.15

EC Number：

277-728-2

UNII：

JS4U0R0033

DSSTox ID：

DTXSID9023881

HScode：

2933990012

Characteristics

PSA：

51.6

XLogP3：

3.90740

Density：

1.398g/cm3

Melting Point：

182 °C

Boiling Point：

504.4ºC at 760 mmHg

Flash Point：

290.4ºC

Refractive Index：

1.634

Water Solubility：

2.522ug/L(temperature not stated)

Storage Conditions：

0-6°C

Vapor Pressure：

9.75e-10 mmHg

Toxicity：

LD50 in rats, mice (mg/kg): >3200 orally; LC50 (96 hr) in rainbow trout: 100 mg/l (Bryan)

Collision Cross Section：

161.9 Å² [M+H]+ [CCS Type: TW]

Safety Information

Transport codes：

UN 3077 9 / PGIII

wgk germany：

safety instructions：

22-24/25

RTECS Number：

XF6860000

Precautionary statement(s)：

P273-P280

Hazard Statements：

H312-H400

GHS Classification：

|Warning|H320: Causes eye irritation [Warning Serious eye damage/eye irritation]|P201, P202, P260, P264, P281, P305+P351+P338, P308+P313, P314, P337+P313, P405, and P501

Toxicity

Mobility：

4.57e+04 L/kg

Drug Information

Health Hazards：

Carcinogens

MeSH Entry Terms：

3,6-bis(2-chlorophenyl)-1,2,4,5-tetrazine

Clofentezine Use and Manufacturing

Methods of Manufacturing

By the action of o-chlorobenzaldehyde with sodium nitrite and chlorine gas, prepare (2-ClC6H4CClN)2, or react with 2-chlorobenzoyl chloride and N2H4 (diluted with ethanol), and then react with PCl5 to prepare (2-ClC6H4CClN) 2. Finally, it reacts with hydrazine hydrate in the presence of a phase transfer catalyst to prepare tetramazine.

Uses

Pesticide.

Use Classification：

Agrochemicals -> Acaricides|Health Hazards -> Carcinogens|Acaricides|Environmental transformation -> Pesticides (parent, predecessor)

Agrochemical：

Clofentezine has known environmental transformation products that include AE C512898, AE C522505, AE C593600, M01 2-chlorobenzamide, and M02 2-chlorobenzoic acid.

Computed Properties

Molecular Weight:303.1
XLogP3:3.2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:2
Exact Mass:302.0126017
Monoisotopic Mass:302.0126017
Topological Polar Surface Area:51.6
Heavy Atom Count:20
Complexity:280
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Hydrazine, phenyl-

Tetrahydrofuran

2-Chlorobenzoyl chloride

Ethanol

Acetic acid

Sodium nitrite

Hydrogen peroxide

2-Chlorobenzonitrile

2-Chlorobenzaldehyde

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Clofentezine in Acetone

CAS No.: 74115-24-5

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