International Chemical Safety Cards

PHOSALONE ICSC: 0797

PHOSALONE
S-6-chloro-2,3-dihydro-2-oxobenzoxazol-3-ylmethyl O,O-diethyl phosphorodithioate
Benzphos
C12H15ClN4PS2
Molecular mass: 367.8
CAS # 2310-17-0
RTECS # TD5175000
ICSC # 0797
UN # 2783
EC # 015-067-00-1
TYPES OF
HAZARD/
EXPOSURE 		ACUTE HAZARDS/
SYMPTOMS 		PREVENTION FIRST AID/
FIRE FIGHTING
FIRE Combustible. Liquid formulations containing organic solvents may be flammable. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Water spray, powder.
EXPLOSION


EXPOSURE
STRICT HYGIENE!

  • INHALATION
    		• Cough.
    		Avoid inhalation of fine dust and mist. Local exhaust or breathing protection.
    		Fresh air, rest. Refer for medical attention.
  • SKIN
    		• MAY BE ABSORBED! Redness.
    		Protective gloves. Protective clothing.
    		Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention.
  • EYES
    		• Redness.
    		Face shield or eye protection in combination with breathing protection if powder.
    		First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
  • INGESTION

    		• Do not eat, drink, or smoke during work. Wash hands before eating.
    		Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention.
    SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING
    Do NOT wash away into sewer. Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting. Carefully collect remainder, then remove to safe place (extra personal protection: complete protective clothing including self-contained breathing apparatus).
    		Separated from strong bases, strong acids, food and feedstuffs. Well closed. Keep in a well-ventilated room.
    		Do not transport with food and feedstuffs.
    T symbol
    N symbol
    R: 21-25-50/53
    S: (1/2-)36/37-45-60-61
    UN Hazard Class: 6.1
    UN Packing Group: III
    Severe marine pollutant.
    SEE IMPORTANT INFORMATION ON BACK
    ICSC: 0797 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities © IPCS CEC 1993 No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and IDLH values.

    International Chemical Safety Cards

    PHOSALONE ICSC: 0797

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    PHYSICAL STATE; APPEARANCE:
     COLOURLESS OR WHITE CRYSTALS , WITH CHARACTERISTIC ODOUR.




    CHEMICAL DANGERS:
     The substance decomposes on heating producing toxic fumes of hydrogen chloride, nitrogen oxides, phosphorous oxides and sulfur oxides.

    OCCUPATIONAL EXPOSURE LIMITS (OELs):
     TLV not established.


    		ROUTES OF EXPOSURE:
     The substance can be absorbed into the body by inhalation of its aerosol, through the skin and by ingestion.

    INHALATION RISK:
     Evaporation at 20°C is negligible; a nuisance-causing concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.

    EFFECTS OF SHORT-TERM EXPOSURE:
     The substance irritates the eyes, the skin and the respiratory tract. Weak cholinesterase inhibitor. Medical observation is indicated.

    EFFECTS OF LONG-TERM OR REPEATED EXPOSURE:
    PHYSICAL
    PROPERTIES
    Melting point: 47.5-48°C
    Relative density (water = 1): 1.39
    Solubility in water, g/100 ml: none
    		Vapour pressure, Pa at °C: negligible
    Octanol/water partition coefficient as log Pow: 4.3
    ENVIRONMENTAL
    DATA
         		The substance is very toxic to aquatic organisms. Avoid release to the environment in circumstances different to normal use.
    N O T E S
    Carrier solvents used in commercial formulations may change physical and toxicological properties. Do NOT take working clothes home. Rubitox, Zolone, Azofene are trade names.
    Transport Emergency Card: TEC (R)-61G41c
    ADDITIONAL INFORMATION


    ICSC: 0797 PHOSALONE
    © IPCS, CEC, 1993
    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 IDLH values.