Methoxychlor , Analysis standard , 72-43-5

Synonym(s):
1,1,1-Trichloro-2,2-bis-(p-methoxyphenyl)ethane;2,2-Bis(4-methoxyphenyl)-1,1,1-trichloroethane;DMDT

CAS NO.：72-43-5

Empirical Formula: C16H15Cl3O2

Molecular Weight: 345.65

MDL number: MFCD00000803

EINECS: 200-779-9

PRODUCT Properties

• Melting point: 86-88 °C(lit.)
• Boiling point: 346 °C
• Density: 1.41 g/cm3 (25℃)
• vapor pressure: Very low
• Flash point: 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)
• IARC: 3 (Vol. 20, Sup 7) 1987
• EPA Substance Registry System: Methoxychlor (72-43-5)

Description and Uses

Methoxychlor is a structural analogue of DDT but is not as persistent in the environment as DDT.

Insecticide used to control mosquito larvae, house flies and other insect pests in field crops, fruits and vegetables; to control ecto-parasites on cattle, sheep and goats; recommended for use in dairy barns.

Safety

• Symbol(GHS): GHS07,GHS08,GHS09
• Signal word: Warning
• Hazard statements: H302-H361fd-H410
• Precautionary statements: P201-P202-P264-P273-P301+P312-P308+P313
• 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
• HS Code: 2909.30.3000
• HazardClass: 9
• PackingGroup: III
• Hazardous Substances Data: 72-43-5(Hazardous Substances Data)
• Toxicity: LD50 orally in rats: 5.0 g/kg (Hodge)
• IDLA: 5,000 mg/m3