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Product Name: METHOXYCHLOR
Synonyms: ,p-Methoxychlor;1,1'-(2,2,2-Trichloroethylidene)bis(4-methoxybenzene);1,1,1-Trichlor-2,2-bis(4-methoxy-phenyl)-aethan;1,1,1-Trichloro-2,2-bis(p-anisyl)ethane;1,1,1-trichloro-2,2-bis(p-methoxyphenol)ethanol;1,1,1-trichloro-2,2-bis(p-methoxyphenyl)-ethan;1,1,1-Trichloro-2,2-di(4-methoxyphenyl)ethane;1,1’-(2,2,2-trichloroethylidene)bis(4-methoxy-benzen
CAS: 72-43-5
MF: C16H15Cl3O2
MW: 345.6481
EINECS: 200-779-9
Product Categories: Organochlorines;Alpha sort;H-MAlphabetic;META - METHPesticides;Oeko-Tex Standard 100;OrganochlorinesMethod Specific;Pesticides&Metabolites;Insecticides;M;Pesticides;Organics;INSECTICIDE
Mol File: 72-43-5.mol
METHOXYCHLOR Structure
METHOXYCHLOR Chemical Properties
Melting point  86-88 °C(lit.)
Boiling point  346 °C
density  1.41 g/cm3 (25℃)
vapor pressure  Very low
Fp  11 °C
storage temp.  APPROX 4°C
solubility  Soluble in ethanol (Windholz et al., 1983), chloroform (440 g/kg), xylene (440 g/kg), and methanol (50 g/kg) (Worthing and Hance, 1991)
Water Solubility  0.1 mg l-1 (25 °C)
form  crystalline
color  yellow
Merck  14,5990
BRN  2057367
Exposure limits NIOSH REL: IDLH 5,000 mg/m3; OSHA PEL: TWA 15 mg/m3; ACGIH TLV: TWA 10 mg/m3.
Stability: Stable, but light sensitive. Combustible at high temperature. Corrodes aluminium and iron slowly.
CAS DataBase Reference 72-43-5(CAS DataBase Reference)
EPA Substance Registry System Methoxychlor (72-43-5)
Safety Information
Hazard Codes  Xn,T,F,N
Risk Statements  20/21/22-40-39/23/24/25-23/24/25-11-67-65-50/53-38
Safety Statements  7-23-36/37/39-45-16-62-61-60-33-29-9-36/37
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  KJ3675000
HazardClass  9
PackingGroup  III
Toxicity LD50 orally in rats: 5.0 g/kg (Hodge)
MSDS Information
Provider Language
SigmaAldrich English
METHOXYCHLOR Usage And Synthesis
Chemical Properties 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.
Physical properties White to gray, or pale yellowish-orange crystals or powder. Nonflammable but may be combustible if dissolved in a flammable organic solvent or petroleum distillate for application. Pungent to mild, fruity odor. Odor threshold concentration in water is 4.7 mg/kg (quoted, Keith and Walters, 1992).