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Methoxychlor

Methoxychlor structure

CAS No:
72-43-5
Formula:
C16H15Cl3O2
Chemical Name:
Methoxychlor
Synonyms:
Benzene,1,1′-(2,2,2-trichloroethylidene)bis[4-methoxy-;Ethane,1,1,1-trichloro-2,2-bis(p-methoxyphenyl)-;1,1′-(2,2,2-Trichloroethylidene)bis[4-methoxybenzene];2,2-Bis(p-methoxyphenyl)-1,1,1-trichloroethane;2,2-Di-p-anisyl-1,1,1-trichloroethane;Dimethoxy-DDT;Di(p-methoxyphenyl)(trichloromethyl)methane;DMDT;Marlate;Methoxychlor;Methoxy-DDT;1,1,1-Trichloro-2,2-bis(p-methoxyphenyl)ethane;1,1,1-Trichloro-2,2-di(4-methoxyphenyl)ethane;p,p′-Dimethoxydiphenyltrichloroethane;p,p′-Methoxychlor;Metox;p,p′-DMDT;1,1-Bis(p-methoxyphenyl)-2,2,2-trichloroethane;4,4′-(2,2,2-Trichloroethylidene)dianisole;1,1,1-Trichloro-2,2-bis(4-methoxyphenyl)ethane;2,2,2-Trichloro-1,1-bis(4-methoxyphenyl)ethane;Mezox K;Mesox K;Methoxcide;Metox plynny;2,2-Bis(4-methoxyphenyl)-1,1,1-trichloroethane;NSC 8945
Categories:
Agrochemicals > Insecticides

Description

Methoxychlor is a colourless or pale yellow, crystalline synthetic organochlorine insecticide with mild fruity odour. It is available in the form of powder or crystals. Methoxychlor is moderately soluble in water and is soluble in a variety of organic solvents.

Methoxychlor Basic Attributes

Molecular Weight：

345.65

Exact Mass：

345.65

EC Number：

200-779-9

HScode：

2909309011

Characteristics

PSA：

18.46000

XLogP3：

5.20590

Appearance：

yellow crystalline

Density：

1.41 g/cm³ @ Temp: 25 °C

Melting Point：

87 °C

Boiling Point：

346 °C

Flash Point：

11 °C

Refractive Index：

1.57

Water Solubility：

Soluble in ethanol (Windholz et al., 1983), chloroform (440g/kg), xylene (440g/kg), and methanol (50g/kg) (Worthing and Hance, 1991)

Storage Conditions：

APPROX 4°C

Vapor Pressure：

Very low

Vapor Density：

Toxicity：

Oral-Rat LD50: 1855 mg/kg; Oral-Mouse LD50: 510 mg/kg

Flammability characteristics：

Combustion produces toxic chloride gas

Safety Information

Hazard category：

Transport codes：

UN 2811 6.1/PG 3

wgk germany：

hazard class code：

20/21/22-40-39/23/24/25-23/24/25-11-67-65-50/53-38

safety instructions：

7-23-36/37/39-45-16-62-61-60-33-29-9-36/37

RTECS Number：

KJ3675000

Marks：

Xn,T,F,N

Storage features：

The warehouse is ventilated, low temperature and dry; stored and transported separately from food materials

Stability/Shelf Life：

Stable, but light sensitive. Combustible at high temperature. Corrodes aluminium and iron slowly.

Precautionary statement(s)：

P273-P280-P501

Hazard Statements：

H302 + H312 + H332-H351-H410

Toxicity

Toxicity class：

moderately toxic

Methoxychlor Use and Manufacturing

Methods of Manufacturing

In the presence of fuming sulfuric acid or aluminum trichloride, anisole is condensed with trichloroacetaldehyde to produce methoxychlor.

Uses

Insecticide.

Computed Properties

Molecular Weight:345.6
XLogP3:5.1
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:4
Exact Mass:344.013763
Monoisotopic Mass:344.013763
Topological Polar Surface Area:18.5
Heavy Atom Count:21
Complexity:279
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes