O,O-Dimethyl O-4-nitro-m-tolyl phosphorothioate
O,O-Dimethyl O-(3-methyl-4-nitrophenyl) phosphorothioate
O,O-Dimethyl O-4-nitro-m-tolyl thiophosphate
C9H12NO5PS
Molecular mass: 277.25
ICSC # 0622
CAS # 122-14-5
RTECS # TG0350000
UN # 3018
EC # 015-054-00-0
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Liquid formulations containing organic solvents may be flammable.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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See Notes.
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Exposure
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PREVENT GENERATION OF MISTS!
AVOID Exposure OF ADOLESCENTS AND CHILDREN!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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Cough.
Headache.
Pupillary constriction, muscle cramp, excessive salivation.
Nausea.
Dizziness.
Laboured breathing.
Convulsions.
Sweating.
Unconsciousness.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Half-upright position.
Artificial respiration if indicated.
Refer for medical attention.
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•Skin
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MAY BE ABSORBED!
Redness.
Pain.
(Further see Inhalation).
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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Face shield,
or eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Abdominal cramps.
Confusion.
Diarrhoea.
Shortness of breath.
Vomiting.
(Further see Inhalation).
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
Induce vomiting (ONLY IN CONSCIOUS PERSONS!).
Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Do NOT wash away into sewer.
(Extra personal protection: chemical suit with self-contained breathing apparatus).
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Provision to contain effluent from fire extinguishing.
Separated from
food and feedstuffs.
Keep in a well-ventilated room.
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Do not transport with food and feedstuffs.
Severe marine pollutant.
Xn symbol
N symbol
R: 22-50/53
S: 2-60-61
UN Hazard Class: 6.1
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Important Data
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Physical State; Appearance:
BROWN TO YELLOW LIQUID
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating or
on burning
producing toxic fumes including nitrogen oxides, phosphorous oxides and sulfur oxides.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol,
through the skin and
by ingestion.
Inhalation Risk:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
irritates the eyes and the skin.
The substance may cause effects on the nervous system
, resulting in convulsions, respiratory failure and death.
Cholinesterase inhibitor.
The effects may be delayed.
Medical observation is indicated.
Effects of Long-Term or Repeated Exposure:
Cholinesterase inhibitor; cumulative effect is possible: see acute hazards/symptoms.
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Physical
Properties
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Decomposes below boiling point at 140-145°C
Melting point: 0.3°C
Relative density (water = 1): 1.3
Solubility in water: none
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Vapour pressure, Pa at 20°C: 0.018
Flash point: 157°C
Octanol/water partition coefficient as log Pow: 3.27
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Environmental
Data
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The substance is very toxic to aquatic organisms.
This substance may be hazardous to the environment; special attention should be given to crustacea and honey bees.
In the food chain important to humans, bioaccumulation takes place, specifically in fish.
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N O T E S
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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.
Accothion, Metathion, Novathion, Sumithion are trade names.
Transport Emergency Card: TEC (R)-61G43c
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ADDITIONAL INFORMATION
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ICSC: 0622
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FENITROTHION
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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