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DEMETON-SICSC: 0864
April 2006
CAS #: 126-75-0O,O-Diethyl S-2-ethylthioethyl phosphorothioate
Demethonthiol
UN #: 3018
EINECS #: 204-801-8

  ACUTE HAZARDS PREVENTION FIRE FIGHTING
FIRE & EXPLOSION Combustible. Liquid formulations containing organic solvents may be flammable. Gives off irritating or toxic fumes (or gases) in a fire.    NO open flames.    Use foam, powder, carbon dioxide.   

 PREVENT GENERATION OF MISTS! AVOID ALL CONTACT! AVOID EXPOSURE OF ADOLESCENTS AND CHILDREN! IN ALL CASES CONSULT A DOCTOR! 
  SYMPTOMS ACUTE HAZARDS FIRST AID
Inhalation Dizziness. Nausea. Vomiting. Pupillary constriction, muscle cramp, excessive salivation. Laboured breathing. Convulsions. Unconsciousness.  Use ventilation, local exhaust or breathing protection.  Fresh air, rest. Artificial respiration may be needed. Refer for medical attention. See Notes. 
Skin MAY BE ABSORBED! Muscle twitching. Further see Inhalation.  Protective gloves. Protective clothing.  Remove contaminated clothes. Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention . 
Eyes Redness. Redness. Pain.  Wear face shield.  First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. 
Ingestion Abdominal cramps. Diarrhoea. Further see Inhalation.  Do not eat, drink, or smoke during work. Wash hands before eating.  Give a slurry of activated charcoal in water to drink. Rest. Refer for medical attention . See Notes. 

SPILLAGE DISPOSAL CLASSIFICATION & LABELLING
Personal protection: chemical protection suit including self-contained breathing apparatus. Do NOT let this chemical enter the environment. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations. 

According to UN GHS Criteria

skull;toxiccancer;health haz
DANGER
Fatal if swallowed
Causes damage to nervous system 

Transportation
UN Classification
UN Hazard Class: 6.1; UN Pack Group: I 

STORAGE
Separated from food and feedstuffs. Dry. Keep in a well-ventilated room. Store in an area without drain or sewer access. 
PACKAGING
Do not transport with food and feedstuffs. 
DEMETON-S ICSC: 0864
PHYSICAL & CHEMICAL INFORMATION

Physical State; Appearance
COLOURLESS OILY LIQUID. 

Physical dangers
 

Chemical dangers
Decomposes on heating. This produces toxic and corrosive fumes including phosphorus oxides and sulfur oxides. 

Formula: C8H19O3PS2
Molecular mass: 258.3
Boiling point at 0.1kPa: 128°C
Relative density (water = 1): 1.13
Solubility in water, g/100ml at 20°C: 0.2
Vapour pressure, Pa at 20°C: 0.035
Relative vapour density (air = 1): 8.92  


EXPOSURE & HEALTH EFFECTS

Routes of exposure
The substance can be absorbed into the body by inhalation of its aerosol, through the skin and by ingestion. 

Effects of short-term exposure
The substance may cause effects on the central nervous system. This may result in convulsions and respiratory depression. Cholinesterase inhibition. Exposure could cause death. The effects may be delayed. Medical observation is indicated. See Notes. 

Inhalation risk
No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C. 

Effects of long-term or repeated exposure
 


Occupational exposure limits
 

ENVIRONMENT
This substance may be hazardous to the environment. Special attention should be given to fish 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. 

NOTES
Depending on the degree of exposure, periodic medical examination is indicated.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Carrier solvents used in commercial formulations may change physical and toxicological properties.
Do NOT take working clothes home. 

ADDITIONAL INFORMATION
  EC Classification
Symbol: T+; R: 27/28; S: (1/2)-28-36/37-45 

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       Toxicological Abbreviations