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Using case study 6.1 found on page 132-133 in your textbook as a guide; create hazardous chemical information for process safety analysis for the dangers of hydrochloric acid. You will need to use the internet to find information regarding standard chemicals.

Make sure to cite your sources at the end of your document. Use Word to create your analysis .

Here is a copy of that case study from the manual.





Name of chemical      Phosphorus chloride (PCl3), sometimes known as phosphorus      



Toxicity information Poison by inhalation. Moderately toxic by ingestion

                                     A corrosive irritant to skin, eyes (at 2 parts per million (ppm)), and  

                                       Mucous membranes


                                      Lethal dose (for -50% of population):

                                      Rats (oral): .5.50 mg/kg


                                     Lethal concentrations for inhalation (for -50% of population)


                                     Rats: 104 ppm for 4 hours

                                     Guinea pigs: 50 ppm for 4 hours


Permission exposure limits    OSHA PEL: 8-hour time-weighted average

                                                (TWA):0.5 ppm


Physical data    Clear, colorless, fuming liquid

                          Melting point: *l I 1.8″C

                          Boiling point:76 C

                          Density: 1.514 at 2l C

                         Vapor pressure: 100 mm of mercury at 2l C



Reactive data    Highly reactive with a variety of acids. Oxidizers,

                          and even water or steam. Fire and explosion



Corrosives data    Department of Transportation Classification:

                               corrosive material


Thermal and chemical stability    Dangerous; when heated to decomposition. it

                                                       emits highly toxic fumes chlorides and PO…

                                                       Can react with oxidizing materials


Hazardous mixing    Potentially explosive with nitric acid, sodium peroxide.

                                  oxygen (above 100″C). Violent reaction with water evolves hydrogen                                  

                                   chloride and diphosphane gas. which then ignite? Will react with water.    

                                    Steam. Or acids to produce heat and toxic corrosive fumes.

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