||Description : TEMEPHOS is a larvacide which effectively controls the vectors of human diseases such as Malaria, Onchocerciasis, Epidemic Typhus Fever, Filariasis, Dracunculiasis, Yellow Fever, Dengue and various other arbovirus diseases.
Chemical Name : O,O,O’, O’-tetramethyl O,O’-thiodi-p-phenylene bis (phosphorothioate)
CAS Registry No. : [3383-96-8]
UN No : 3018
IMDG : Class 6 (Organophosphorus Pesticide, Liquid, Toxic) IMDG 2004 Edition Vol.2, Page No. 149
Structural Formula :
The product conforms to IS : 8701 (1978) and WHO specifications WHO/SIT/19.R1
a) Appearance : Pale yellow to brown coloured viscous liquid that may contain crystals below 30OC
b) Temephos content by HPLC : 90% (w/w) minimum
c) Moisture content by Karl Fischer method : 0.2% (w/w) maximum
d) Material insoluble in acetone : 0.5% (w/w) maximum
e) Acidity (as H2SO4) : 0.3% (w/w) maximum
Formulations : Emulsifiable concentrate 50% (w/w) & (w/v), 44% (w/w) and
1% (w/w) Granules.
a) Mammalian toxicity : WHO classification :
“Product unlikely to present acute
hazard in normal use.”
b) Environmental toxicity : It has low toxicity to fish. It has moderate to low toxicity to birds. It has negligible toxicity to bees in aerial application. No noticeable effects on non-target organisms.
One year under normal storage conditions for TG.
Two years for 50% EC.
One and half years for 1% granules.
Packing : Technical Grade : 50 kg and 200 kg UN approved polylined MS drums
Liquid : 200 Lit. in UN approved M.S. lacquered
Drums/ M.S. polylined Drums