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29232-93-7

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Identification

Name
Pirimiphos-methyl
CAS
29232-93-7
Synonyms
ACTELLIC
ACTELLIC(R)
ACTELLIFOG
O-(2-Diethylamino-6-methyl-4-pyrimidinyl)-O,O-dimethyl phosphorothioate
O-2-DIETHYLAMINO-6-METHYLPYRIMIDINE-4-YL O,O-DIMETHYL PHOSPHOROTHIOATE
O,O-DIMETHYL-O-[2-(DIETHYLAMINO)-6-METHYL-4-PYRIMIDINYL]PHOSPHOROTHIOATE
PIRIMIPHOS-METHYL
PIRIMPHOS-METHYL ESTER
PP511
2-Diethylamino-6-methylpyrimidin-4-yl dimethyl phosphorothionate
2-diethylamino-6-methylpyrimidin-4-yldimethylphosphorothionate
Actelic
aktelik
aktellik
Blex
ENT 27699Gc
ent27699gc
fosforanpirimidyny
Fumite pirimiphos-methyl smoke
Methylpirimiphos
EINECS(EC#)
249-528-5
Molecular Formula
C11H20N3O3PS
MDL Number
MFCD00055366
Molecular Weight
305.33
MOL File
29232-93-7.mol

Chemical Properties

Appearance
Light yellow, straw colored, or amber oily liquid. Odorless when pure.
mp 
15°C
Fp 
-18 °C
storage temp. 
APPROX 4°C
Merck 
13,7580
CAS DataBase Reference
29232-93-7(CAS DataBase Reference)
NIST Chemistry Reference
Pirimiphos methyl(29232-93-7)
EPA Substance Registry System
29232-93-7(EPA Substance)

Safety Data

Hazard Codes 
Xn,N,F
Risk Statements 
R22:Harmful if swallowed.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R67:Vapors may cause drowsiness and dizziness.
R65:Harmful: May cause lung damage if swallowed.
R38:Irritating to the skin.
R11:Highly Flammable.
Safety Statements 
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
RIDADR 
UN3082 9/PG 3
RTECS 
TF1410000
Safety Profile
Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx, POx, and SOx.
Hazardous Substances Data
29232-93-7(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

General Description
Yellow liquid. Corrosive to tin and mild steel. Used as an insecticide.
Reactivity Profile
Organophosphates are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.
Air & Water Reactions
Hydrolyzed by strong acid or base.
Potential Exposure
Pirimiphos-methyl is a post -harves organophosphate insecticide/acaricide used to control a variety of insects in stored grain products and seed such as corn, rice, wheat and sorghum. It is also incorporated into cattle ear tags, and used for the fogging treatment of iris bulbs and preharvest cleanup of fruits and vegetables.
First aid
Speed in removing material from eyes and skin is of extreme importance. Eye contact can cause dangerous amounts of these chemicals to be quickly absorbed through the mucous membrane into the bloodstream. Immediately and gently flush eyes with plenty of warm or cold water (NO hot water) for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Skin: Get medical aid. Dermal contact can cause dangerous amounts of these chemicals to be absorbed into the bloodstream. Wearing the appropriate PPE equipment and respirator for organophosphate pesticides, immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Shampoo hair promptly if contaminated. Ingestion: Call poison control. Loosen all clothing. Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious, alert, and able to swallow, rinse mouth and have victim drink 48 ounces of water do NOT induce vomiting but immediately administer slurry of activated charcoal (2 oz in 8 oz of water). If victim is unconscious or having convulsions, do nothing except keep victim warm. In some cases you may be specifically instructed by poison control to induce vomiting by way of 2 tablespoons of syrup of ipecac (adult) washed down with a cup of water. Do NOT give activated charcoal before or with ipecac syrup. Inhalation: Get medical aid. Do not contaminate yourself. Wearing the appropriate PPE equipment and respirator for organophosphate pesticides, immediately remove the victim from the contaminated area to fresh air. If the victim is not breathing, administer artificial respiration. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. If breathing is difficult, administer oxygen through bag/mask apparatus until medical help arrives. Do not leave victim unattended
Shipping
UN2783 Organophosphorus pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN3018 Organophosphorus pesticides, liquid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
Incompatibilities
May react violently with antimony(V) pentafluoride. Incompatible with strong acids and alkalies, lead diacetate, magnesium, silver nitrate. In the presence of strong reducing agents such as hydrides, organophosphates form highly toxic and flammable phosphine gas. Contact with oxidizers can cause the release of toxic oxides of phosphorus.
Waste Disposal
Destruction by alkali hydrolysis or incineration. Containers must be disposed of properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

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