|CAS #: 10265-92-6||O,S-Dimethyl phosphoramidothioate
Phosphoramidothioic acid, O,S-dimethyl ester
| UN #: 2783
| EINECS #: 233-606-0
|ACUTE HAZARDS||PREVENTION||FIRE FIGHTING|
|FIRE & EXPLOSION||Combustible under specific conditions. Liquid formulations containing organic solvents may be flammable. Gives off irritating or toxic fumes (or gases) in a fire. Risk of fire and explosion if formulations contain flammable/explosive solvents.||NO open flames.||Use water spray, powder, alcohol-resistant foam, carbon dioxide.|
|PREVENT DISPERSION OF DUST! STRICT HYGIENE! AVOID EXPOSURE OF ADOLESCENTS AND CHILDREN! FIRST AID: USE PERSONAL PROTECTION. IN ALL CASES CONSULT A DOCTOR!|
|SYMPTOMS||ACUTE HAZARDS||FIRST AID|
|Inhalation||Dizziness. Pupillary constriction, muscle cramp, excessive salivation. Sweating. Laboured breathing. Weakness. Abdominal cramps. Diarrhoea. Nausea. Vomiting. Muscle twitching. Convulsions. Unconsciousness.||Use ventilation (not if powder), local exhaust or breathing protection.||Remove immediately from exposure. Fresh air, rest. Half-upright position. Refer immediately for medical attention. See Notes.|
|Skin||MAY BE ABSORBED! Further see Inhalation.||Protective gloves. Protective clothing.||Wear protective gloves when administering first aid. Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer immediately for medical attention. See Notes.|
|Eyes||Redness. Pain. Blurred vision.||Wear face shield or eye protection in combination with breathing protection if powder.||Rinse with plenty of water for several minutes (remove contact lenses if easily possible). Refer immediately for medical attention.|
|Ingestion||See Inhalation.||Do not eat, drink, or smoke during work. Wash hands before eating.||Rinse mouth. Give a slurry of activated charcoal in water to drink, but NOT if convulsions occur. Rest. Refer immediately for medical attention.|
|SPILLAGE DISPOSAL||CLASSIFICATION & LABELLING|
|Personal protection: complete protective clothing including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Sweep spilled substance into covered sealable containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.||
According to UN GHS Criteria
DANGERFatal if swallowed, in contact with skin or if inhaled
Causes eye irritation
Causes damage to nervous system
Causes damage to the nervous system through prolonged or repeated exposure
Very toxic to aquatic life
|Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Dry. Keep in a well-ventilated room. Store in an area without drain or sewer access.|
Put breakable packaging into closed unbreakable container.
Do not transport with food and feedstuffs.
|PHYSICAL & CHEMICAL INFORMATION|
Physical State; Appearance
|EXPOSURE & HEALTH EFFECTS|
Routes of exposure
Effects of short-term exposure
Effects of long-term or repeated exposure
|Occupational exposure limits|
|The substance is very toxic to aquatic organisms. This substance may be hazardous to the environment. Special attention should be given to birds and bees. This substance does enter the environment under normal use. Great care, however, should be taken to avoid any additional release, for example through inappropriate disposal.|
|Use of alcoholic beverages enhances the harmful effect.
Depending on the degree of exposure, periodic medical examination is suggested.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Isolate contaminated clothing by sealing in a bag or other container.
Do NOT take working clothes home.
If the substance is formulated with solvents also consult the ICSCs of these materials.
Carrier solvents used in commercial formulations may change physical and toxicological properties.
If the substance is present under the form of a formulation containing hydrocarbon solvents, vomiting may not be induced.
Symbol: T+, N; R: 24-26/28-50; S: (1/2)-28-36/37-45-61
|All rights reserved. The published material is being distributed without warranty of any kind, either expressed or implied. Neither ILO nor WHO nor the European Commission shall be responsible for the interpretation and use of the information contained in this material.|
See Also: Toxicological Abbreviations Methamidophos (HSG 79, 1993) Methamidophos (JMPR Evaluations 2002 Part II Toxicological) Methamidophos (Pesticide residues in food: 1976 evaluations) Methamidophos (Pesticide residues in food: 1979 evaluations) Methamidophos (Pesticide residues in food: 1981 evaluations) Methamidophos (Pesticide residues in food: 1982 evaluations) Methamidophos (Pesticide residues in food: 1984 evaluations) Methamidophos (Pesticide residues in food: 1985 evaluations Part II Toxicology) Methamidophos (Pesticide residues in food: 1990 evaluations Toxicology)