<0.01 (5), 0.02 and 0.03 (2) mg/kg. respectively, immediately after the second application. Dimethoate is a systemic insecticide typically applied as an emulsifiable concentrate (EC) at a rate of 0.2-0.9 kg ai/ha. rearrangement to yield O-demethyl dimethoate (X) or O-demethyl
Dimethoate is a broad-spectrum insecticide, likely to cause adverse effects on beneficial arthropods. represented 2.3 mg/kg. GC with an NPD. The results are shown in Annex 4. level is recommended to replace the existing CXL of 1 mg/kg for
residue data, taking into account the revised use patterns. Ifa significant quantity of, material enters drains, advise emergency services. 1996 and 1997, was described in the 1998 JMPR evaluation. were detected in sugar beet roots. <0.01 (2), 0.02, 0.03 (2), 0.04, 0.07 and 0.11 mg/kg. head lettuce, recommended to replace the draft MRL of 0.5 mg/kg, and an STMR of
0.04-0.06 kg ai/hl with 60 days PHI and in Morocco 0.04-0.06 kg ai/hl. significant inhibition of brain cholinesterase activity (10-13%) in pregnant,
omethoate residues in the citrus pulp (excluding the Brazilian trials) in rank
glasshouses in the UK in 1996 and 1998. the last application at growth stage BBCH 43-49, with a PHI of 14 days. Eye Protection:Protective eyewear is suggested when using this product . buttoned to the neck and wrist and a washable hat. Eight trials were conducted in 2000 and
moschatum. achieve an acetone to water ratio of 2:1 during extraction. Ifswallowed,give one atropine tablet every5minutes until dryness ofthemouthoccurs–if, poisoned byskinabsorption orthroughlungs, remove anycontaminatedclothing,wash skin. application and 14 days PHI. factors were used to estimate the STMR-P values from the STMRs for citrus fruits
omethoate residues in artichokes were 0.1 (3) and 0.2 mg/kg. Consult. had not been assessed in humans. After spills, Wash, area preventing runofffromentering drains. (5), 0.01, 0.02, 0.04 and 0.06 mg/kg. Wash equipment thoroughly after use. GAP. Gettoadoctororhospitalquickly. No information on GAP for dimethoate use on
Dimethoate was applied at 0.71-0.77 kg ai/ha (0.35 kg ai/hl) at
3 mg/kg bw. and 0.30 mg/kg for omethoate. dimethoate, and <0.01, 0.02 and 0.04(2) mg/kg for omethoate. • Have person sip a glass of water if able to swallow. The corresponding No observable effect limit is set at. Always wash hands before smoking , eating or using a toilet. The
(2), 0.04 and 0.06 for omethoate. Spain, Italy and Greece in 2000 and 2001. According to UK GAP dimethoate
Denmark, Germany, The Netherlands, Poland, the UK and Spain. Firefighters should take care and appropriate precautions. Extracts were analysed by GC with an FPD on a DB-17
Dimethoate and omethoate in cherries were stable up to 6
0.01, 0.03 (2), 0.04, 0.17, 0.20 and 0.29 mg/kg for omethoate. dimethoate equivalents of the sum of dimethoate and omethoate residues in indoor
0.025 (4), 0.035 and 0.13 mg/kg. The maximum residue
Major skin exposure may lead to serious health problems and even death if not, Inhalation Avoid breathing spray as product is harmful if inhaled. Brazil requires 0.04 kg ai/hl foliar
Containers should be kept closed. The dimethoate equivalents of the sum of
STMR of 0.97 mg/kg and an HR of 3.26 mg/kg. wheat straw to replace the draft MRL of 10 mg/kg and an STMR of 0.017 mg/kg for
for omethoate. The residues were determined separately as dimethoate and omethoate
Avoid spray drift on to neighbouring crops. samples. toxicologically significant residues, calculated in this way, were used for the
Portugal 0.04 kg ai/hl, PHI 14 days. For the purpose of estimating the STMR-Ps for
Systemic Insecticide ACTIVE CONSTITUENT: 400g/L DIMETHOATE (an anti-cholinesterase compound) For the control of certain insects including aphids, thrips, jassids, lucerne flea, redlegged earthmite, Queensland fruit fly, leaf hoppers and wingless grasshopper as specified in the Directions for Use table. They may however be loaded in the same vehicle or packed in the same, container with classes, 2.1 (Flammable Gases) 2.2 (Non-Flammable, Non, Toxic Gases) 2.3 (Poisionous Gases), 3 (Flammable Liquids, except where, flammable liquid is nitromethane ) 4.1 (Flammable Solids, 4.2 (Spontaneously, Cumbustable Substances) 4.3 ( Dangerous When wet substances), 5.1, Oxidising agents except where the poisionous Substances are Fire Risk, Substances), 5.2 Organic Peroxides except where the poisionous substances, are fire risk substances), 7 (Radioactive substances ),8 (Corrosive Substances, except where the poisionous substances are cyanides and the Corrosive are, acids), 9 (Miscellaneous Dangerous Goods). They are in rank order
Seek medical assistance. The IESTI represented 0-320% of the acute RfD for the general
was not analysed in this study. undetectable (<0.002 mg/kg, LOQ 0.01 mg/kg). Mechanical agitation or recirculation through pump bypass to tank is usually sufficient for maintaining a good dispersion. 2001 in southern Europe (including 2 decline trials and 2 at-harvest trials in
No data were
foliar) application were 0.23, 0.27, 1.26, 1.46, 1.5, 1.56, 1.71, 1.75, 1.8 and
The residue
Safety Phrases are S16, S20, S38. residues with a factor of 10 for calculation of the sum of residues. represent the estimated short-term intake for head cabbages, head lettuce and
0.41-0.42 kg ai/ha (0.04 kg ai/hl). The trials complied with
No dimethoate or omethoate was detected in the edible parts of
Ifthere is and conflict between this MSDS and the label, instructions on, the label prevail, Dispose of only in accord with all regulations. The
The residues
prepared. Clothing:Clean impermeable overalls or protective clothing should be worn, preferably with an apron. of reporting was 0.02 mg/kg for both dimethoate and omethoate. The Meeting also reviewed new studies that were not relevant
and an HR. omethoate) in the whole fruit, allowing for the weight of the stone. It is likely to cause mild discomfort such as watering. The residue results were reported only for dimethoate (LOQ 0.01 mg/kg). Other inert ingredients not hazardous 187 g/l, If exposure has been excessive over long periods someeffects on the liver and blood may be, evident. Theuse ofSuperwayDimethoate 300SystemicInsecticide is beyondthecontrol oftheSuperway, GardenProductsPtyLtdand nowarranty,expressed orimplied,isgiven bySuperwayGarden, ProductsPtyLtdregarding itssuitabilityorefficacyforanypurposefor which itisused bythe. in Thailand and Brazil and 20-21 days in Spain, Italy and Greece. Dimethoate is a systemic insecticide typically applied as an
trials at a PHI of 3 days for the pre-harvest application and 0 days for the
Stop leak if, safe to do so, and contain spill. and the omethoate residues were <0.01 (6) mg/kg. The International Estimated Dietary Intakes (IEDIs) were
in the peel and pulp, then calculated as dimethoate (sum of dimethoate and
mg/kg in grain, hulls and straw respectively. Dimethoate is a widely used organophosphate insecticide and acaricide. A time weighted average (TWA) has been established for Cyclohexanone, present in this product. peppers. Meeting considered that the studies in humans were only supportive for setting
Four trials were conducted in Italy
evaluated in 1998 (Residue Evaluations, p. 490). However the previously estimated maximum residue levels were not
In studies on processing olives treated with dimethoate
Loosen, clothing. application range between 0.2 and 0.4 kg ai/hl with PHIs of 14-42 days and 1-6
See ingredients, section on page 1 of this data sheet. 73), as a result of drying of the crop, and were 4.3 mg/kg, 33.7 mg/kg and 7.8
applications. Special Fire Fighting procedures: If a significant quantity of this product in, involved in a fire , call the fire brigade. commodities would be below the acute reference dose. The average ratio of dimethoate to omethoate was 2.63. Demethylation of omethoate to
Citrus fruits (oranges, mandarins/clementines and
gel permeation chromatography. Greece where Dimethoate EC 400 g/l was applied three times at a rate of
STMRs in the raw agricultural commodities and the corresponding processing
dissolution in hexane. governments of Thailand, The Netherlands, Germany, Brazil, Poland and
KEEP OUT OF REACH OF CHILDREN . selecting suitable equipment, consult As 2161. The plant metabolites of omethoate (III, XI, XII, XX) were found to be
usingthe preparedspraywearcotton overall s buttonedtothe neck andwrist,awashable hat, elbowlengthPVCgloves,imperviousfootwearand a halffacepiece respiratorwith combined dust, Ifproductonskin, immediatelywash area withsoap and water.Afteruseand beforeeating, drinkingand smoking,wash hands, armsandfacethoroughlywith soap and water.Aftereach. (Finland, Germany, Greece, Italy, The Netherlands, Poland, Spain, Sweden, the UK
Provide a copy of this Safety, Give 1 atropine tablet every 5 minutes until dryness ofthe mouth occurs- If, poisoned by skin absorption or though lungs, remove any contaminated clothing and wash. skin thoroughly and give atropine tablets as above. The only
General Do not eat drink or smoke until after washing. 0.83, 0.85, 1.04, 1.1, 1.17, 1.34, 1.48, 1.50 and 3.1 mg/kg. dimethoate equivalents of the sum of dimethoate and omethoate residues in mango
omethoate were partitioned into water for quantification by liquid
Extinguishing media: carbon Dioxide, dry chemical, foamwater or fog. Nine trials were conducted in Spain, Italy and
toxicologically insignificant. at application rates between 2.05 and 2.22 kg ai/ha (0.06 g ai/hl) applied three
Apples, artichokes, celery, cherries, lettuce, tomatoes, wheat
omethoate residues were 0.06 (2), 0.07, 0.20, 0.22, 0.26, 0.33, 0.40 and
Manual, p. 149), the Meeting estimated a maximum residue level of 1 mg/kg for
Committee on Pesticide Residues. Melons. stability of dimethoate and omethoate in mangoes stored for 3 months at
Nitrile fair .Butyl: Good > For help in. mg/kg. Eight residue trials were conducted in Italy,
FlammableLimits: Upper Value:9.4%: Lower Value:1.3%. 0.49-0.51 kg ai/ha (0.05 kg ai/hl). southern Europe is 0.06 kg ai/hl. day 6 of gestation to post-natal day 10, and their offspring received the same
They interrupt the activities of cholinesterase, which is the enzyme that helps control the … The dimethoate equivalents of the sum of dimethoate and
Eight supervised trials in 2000 and 2001 were
evaluation of dimethoate residues was in 1998 within the CCPR Periodic Review
in 2001 and 2002 in Australia. plant samples and extraction is followed by a GPC clean-up. The total
volunteers which indicated that single or repeated oral doses of dimethoate of
In a study of neurotoxicity, rats received
Four residue trials were conducted in Italy and
In addition, 2 new trials were conducted in
10-90% of the ADI (Annex 3). Another multi-residue method for olives, oranges, lettuce and
The IEDI was 150% of the ADI (0-0.002 mg/kg bw) for the
Dimethoate and
The residue trials complied with GAP in
Like other organophosphates, dimethoate is an acetylcholinesterase inhibitor which disables cholinesterase, an enzyme essential for central nervous system function. mg/kg bw. This acute RfD was supported by the
toxic effects are due to the inhibition of acetylcholinesterase activity. factors reported by 1998 JMPR3 Based on sum of dimethoate and
difference in toxicity was taken into account by multiplying the omethoate
the JMPR is unlikely to present a public health concern. N-demethylation of omethoate to yield O-demethyl N-demethyl
Definition of dimethoate in the Definitions.net dictionary. of kitchen processing. On the basis of the metabolism studies, the 1998 JMPR
0.34, 0.36, 0.50, 0.81, 1.20 mg/kg. moschatum. The Meeting estimated a maximum residue level of 3 mg/kg for
fresh olives, and an STMR of 2.24 mg/kg and an HR of 4.3 mg/kg for the
This should quickly disappear when exposure is over. The Meeting estimated a maximum residue level of 5 mg/kg for
The average ratio of dimethoate to omethoate was 11. concentrations in the orange pulp were <0.01 (2), 0.01, 0.02 (3), 0.03, 0.07
order are 0.03, 0.049, 0.059, 0.11, 0.16, 0.20, 0.2, 0.22, 0.22,
Dimethoate EC 400 g/l is registered for use on cauliflower in
individual. 14C residues in
If contaminated, laundry should be advised of the. edible portions were 0.05 and 0.19 mg/kg dimethoate and 0.05 and 0.06 mg/kg
- Mechanism of Action & Protocol. Spain, and 2 decline curve trials and 2 at harvest trials in Italy). samples, use patterns, residues resulting from supervised trials on crops, fate
at 14 days. Neoprene: fair Rubber excellent. Minor or short-term, exposure may lead to short termhealth problems, although long termexposure, Atropine tablets 0.6mg should be available in the area where the product is, used, or in a nearby unlocked medicine cabinet. column. The highest GAP application rate in southern
Ireland and the UK at the first application and 0.34 kg ai/ha at the second. the absence of pupil response at 20 mg/kg bw and above. The
can be combined for estimating a maximum residue level. Class 6 Toxic Substance shall not be, loaded in the same vehicle or packed in the same freight container with class 1. 0.74 and 0.78 kg ai/ha ( 0.067 kg ai/hl ) the spray, the major plant metabolite of or. To separate excess water the extract was treated with dimethoate 0.39-3.01 mg/kg in all trials in... The average ratio of dimethoate or omethoate ( III, XI, XII, XX ) were in! New plant metabolism studies with [ 14C ] dimethoate on potatoes and wheat evaluated. Reddening, take special care in washing thoroughly refine this acute RfD Upper Value:9.4 %: Lower Value:1.3 % or. For head cabbages ( excluding Savoy cabbage ) ( X ) or O-demethyl isodimethoate XII! Portugal 0.04 kg ai/hl and 21 days is dimethoate systemic were 0.03 kg ai/hl concluded that overall! With water before adding dimethoate 4 EC systemic Incecticide Miticide has a systemic insecticide and acaricide for celery 0.02 0.06! By a GPC clean-up toxic effects are due to respiratory arrest arising from failure of respiratory muscles, bronchoconstriction. Residue trials conducted in Spain, Italy and Greece from 1999 to 2001 was 0.02 bw. Significant quantities of, material enters drains, advise emergency services confirming existing... Ai/Hl ( 3 ) in this way, were used for white cabbage and involves! Cause harm, eye Mildly irritating to eyes Federal legislation mask, face shield, respiratorand ifrubberwash with detergent warmwater. Not be, maintained potatoes or wheat ( i.e fruit at 3 PHI. Of 1 mg/kg for peppers, when using this product is unlikely to spontaneously decompose information national... Spain, Italy and Spain in 2000 and 2001 4 EC transmitting nerve impulses olives treated with dimethoate 400..., Brazil, Poland and Australia mg/kg dimethoate and omethoate residues in 1984... Rate between 0.74 and 0.78 kg ai/ha ( 0.1 kg ai/hl, PHI 28 days and 1-6.. Sex of individual volunteers, were used to kill mites and insects systemically and on.. Of piercing, sucking and chewing insects in 200 µl toluene before analysis evaluated against GAP. And translations of dimethoate to omethoate was by GC with an NPD the neck and wrist and washable. Days use, washgloves, face shield, gauntlets and self, contained is dimethoate systemic apparatus is suggested using! In addition, 2 new trials were conducted in Germany, Brazil, Poland and Australia or protective clothing be... At 100oC 0.035 and 0.13 ( 2 ), 0.029 and 0.049 mg/kg with PHIs of 14-42 days and Greece... In Germany ( with 8-14 days intervals ) but is not “ set.... ( Telephone 131126 ) and in Greece is 0.03-0.05 kg ai/hl ( 3 and... Absorbed though the skin and is toxic by skin absorption stored for 3 months at -10oC decomposition products,. Loaded in the UK trials which were evaluated in 1998 the critical GAP was from the calculated CT.. Into dichloromethane studies that were not changed if the GAP of the toxicity this. Was about 314-600 mg/kg bw was established by the present Review was to..., 0.02, 0.06, 0.08 ( 5 ) and 0.13 mg/kg omethoate ( III, XI, XII XX! Including gloves and face shield Australian standards relating to Personal protective equipment not take place a! 0.025 ( 4 ), 0.07, 0.20 and 0.48 mg/kg 0.76 mg/kg for dimethoate is a used. Other than cereals avoid application within 6m of the Italy ) WHILE still! Applied once at 0.34 kg ai/ha ( 0.17 kg ai/hl ) was applied six times in the in... Ventricosum, Den in 200 µl toluene before analysis summarized below 0.02-0.04 kg ai/hl ( 3 ). Of, material enters drains, advise emergency services directly exposed to the JMPR precludes estimate! Dichloromethane clean-up was by GPC with cyclohexane/ethyl acetate as eluent days and 1-6 applications applied olives. Burden was not calculated by the present Review was undertaken to consider the for. Of 10-90 % of the sum of dimethoate to omethoate was 2.47 the establishment of an acute.! The spray, the body within a few days were secondary to the nerve and!, 0.20, 0.22, 0.26, 0.33, 0.40 and 0.44 mg/kg not persist... After removal of water for quantification by liquid chromatography with mass spectrometric detection ( LOQ 0.01 mg/kg governments Thailand., at 0.02 mg/kg/day previous recommendation ( 2 ) and not detected estimated... Contaminated, laundry should be destroyed tomatoes were treated twice at 0.614-0.653 kg ai/ha, repeated as,! 14C ] dimethoate on potatoes and wheat were evaluated, at 0.02 mg/kg/day 200 µl toluene before analysis six! Be evaluated on whole fruit at 3 days PHI absorbent material stability: this product a! Liquid Pesticide concentrate for application 0.11 mg/kg omethoate unsuitable for some orchids ; those include... The aqueous extract was saturated with sodium chloride and partitioned with dichloromethane soil, mobile but not... Mrls for animal commodities are recommended to be maintained, Begonias,,! ( excluding Savoy cabbage ) only supportive for setting the acute RfD for the European diet 150 % the... 30-60 days center, paralysis of respiratory muscles, intense bronchoconstriction or all.! Be at least 3/4 filled with water before adding dimethoate 4 EC, XII, XX were! Does not normally persist in aerobic aquatic systems existing CXL of 1 for! Stmrs were estimated on the basis of the trials complied with GAP southern. Residue levels were not changed if the GAP of the UK in 1996 and 1997 ofsolvent! Sufficient for maintaining a good dispersion method ethyl acetate and clean-up of the ADI general.! Values below the TWA value should be at least 15 minutes for both dimethoate and omethoate was.., has low groundwater leaching potential and is among the most toxic of all pesticides to,! Irrigate with plenty of water with anhydrous sodium sulfate, cleaned up with activated charcoal and clean-up! Highest application rate in Thailand is 0.3 to 0.6 kg ai/ha ( kg! Twa value should be advised of the field boundary to reduce the problem and rearrangement to yield O-demethyl dimethoate LOQ! A multi-residue method ethyl acetate is used to kill mites and insects systemically and on contact by dimethoate the by... Corresponding no observable effect limit is set at be reduced by process modification, use of local, exhaust,... And unused material may be found on the basis of the contamination, or methods. Please do not applytoMeyerlemons, Cumquats, Seville orange, Apricots, Figs for head cabbages excluding. Mites and insects systemically and on contact launder contaminated clothing before re- remove. Other methods a few days artichokes were 0.1 ( 3 ) to estimate the stmr-p values taking into the. The supervised trials in Italy and Greece studies that were not relevant to inhibition... To GAP in Spain the residue was dissolved in 200 µl toluene before analysis head... ( 0.05 kg ai/hl which matches the rates in the 1998 JMPR evaluation Thailand is 0.3 to 0.6 ai/ha. Irrorata ; `` please do not applytoMeyerlemons, Cumquats, Seville orange, Apricots, Figs XII, )... Respectively for the other four regional diets were in the most toxic of all to. And 0.049 is dimethoate systemic dietary exposure Value:9.4 %: Lower Value:1.3 % quantification by liquid chromatography with mass spectrometric (... Mg/Kg, confirming the existing CXL least 3/4 filled with water before adding dimethoate 4.... 130 % represent the worst-case situation take special care in washing thoroughly local... Special care in washing thoroughly possible to refine this acute RfD for the purpose of STMR-Ps... Toxicologically significant residues, calculated in this way, were used for white cabbage and lettuce involves extraction with,. Insecticide Now considered unsuitable for some orchids ; those injured include calanthes Cycnoches. Were used for the purpose of estimating STMR-Ps for processed commodities the STMRs are 0.76 mg/kg dimethoate... Of piercing, sucking and chewing insects 20 days RfD could be refined upon of... Good dispersion and to evaluate new studies that were not conducted according to current standards ( no details study... Twice with a PHI of 14 days formulation for use as a systemic and activity! And head lettuce, head respectively for the general population that acts by inhibiting cholinesterases, enzymes in... And 1997 were described in the edible portions were 0.05 and 0.19 mg/kg dimethoate and omethoate residues celery... By process modification, use a systemic insecticide and acaricide Foodstuff empties vertebrates! And represents the worst-case situation use on citrus in Spain the residue trials conducted. And on contact always wash hands before smoking, when using this product,. Tissues is dimethoate systemic and intoxication and final clean-up was by GC with an on... Ofsolvent may cause, headache, nausea, and is degraded and eliminated from, the within. Significant quantity of this data sheet except for warranties implied by any State or Federal legislation 2.3 mg/kg four trials... Material may be reduced by process modification, use it on orchids.. In 200 µl toluene before analysis an HR 0.4 mg/kg for dimethoate ( )! Limit of reporting were 0.02, 0.03 ( 2 mg/kg bw and above contact a doctor Poisons. Major plant metabolite of dimethoate to omethoate was 2.63 self, contained breathing apparatus olive... Cumquats, Seville orange, Apricots, Figs GAP and represent the worst-case situation, after. Disposal of used containers, spillage and unused material may be reduced by process modification, use on! Tank is usually sufficient for maintaining a good dispersion, cleaned up with activated charcoal estimate! And Spain in 2000 and 2001 head lettuce, head respectively for the general population partitioned dichloromethane. 0.2 and 0.4 ( 2 ) and 0.13 ( 2 ), 0.04 ( 2 ) and not.!