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                                                            Page 3 of4

                                              PHOSGENE

             SECTION IV      (continued)

                 Unusual Fire and Explosion Hazards:   When heated to decomposition or on
                 contact with water or steam, it will react to produce toxic and corrosive
                 fumes (*Sax 1975).

                 NFPA Flammability Rating:   0


             SECTION V - REACTIVITY DATA

                 Stability: Unstable:

                             Stable: Yes, in steel containers if dry (U.S. Army 1975,
                                      p. 3-1)

                     Conditions to Avoid: Moisture (*Sax 1975)

                 Incompatibility (Materials to Avoid): Reacts violently with aluminum;
                 tert-butyl azido formate; 2,4-hexadiyn-l,6-diol; isopropyl alcohol;
                 potassium; sodium; hexafluoro isopropylidene; amino lithium; lithium (Sax
                 1984, p. 2211).


                 Hazardous Decomposition or Byproducts:   When heated to decomposition or on
                 contact with water or steam, it will react to produce toxic and corrosive
}                fumes (*Sax 1975).

                 Hazardous Polymerization:  May Occur:   Not Found
                                            May Not Occur:   Not Found

                     Conditions to Avoid: Not Found


-i           SECTION VI - USE INFORMATION

                 Delayed-action military chemical agent (U.S. Army 1975, p. 3-1). Chemical
                 intermediate for toluene diisocyanate, methyl isocyanate, acyl chlorides,
                 diphenylmethane-4,4'-diisocyanate, chloroformate esters, diethyl carbonate,
                 dimethyl carbamoyl chloride, polymethylene polyphenylisocyanate,
                 polycarbonate resins (*SRI); aniline dyes (*Hamilton 1974); pesticides,
                 herbicides, dyes (Hawley 1981, p. 807).


             SECTION VII - PRECAUTIONS FOR SAFE HANDLING AND USE
             (Steps to be Taken in Case Material is Released or Spilled)

                 Keep unnecessary people away; isolate hazard area and deny entry.
                 Stay upwind and keep Out of low areas.  Ventilate closed spaces before
                 entering.


             SECTION VIII- PROTECTIVE EQUIPMENT FOR EMERGENCY SITUATIONS

                 For emergency situations, wear a positive pressure, pressure-demand,
                 full facepiece self-contained breathing apparatus (SC3A) or pressure-
  3              demand supplied air respirator with escape SCBA and a fully-encapsulating,

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