Question

Eastown Industries conducted a Management of Change review for switching to a new propylene dichloride supplier. The propylene dichloride was purchased in railcar quantities and unloaded into a large storage tank, from which it was metered into 55 gal drums for sale to customers. During the Management of Change review, it was identified that the supplier sometimes used aluminum railcars for other products. The shift supervisor raised the question of what would happen if the propylene dichloride was received in an aluminum railcar and remained on the siding for a few days before unloading its contents into the storage tank. 9 Use the NOAA Chemical Reactivity Worksheet (CRW) as a resource to decide if the propylene dichloride is compatible with the al

Answer 1

This is not a feasible proposal by the shift supervisor. After analyzing the nature of both the chemicals and their reactivity by the help of NOAA Chemical Reactivity Worksheet(CRW), the result is that both these chemicals should not come in contact with each other.

Propylene Dichloride is a highly flammable chemical whereas Aluminium is a strong reducing agent, pyrophoric in nature and their contact could lead to the formation of Hydrochloric Acid(HCL), Hygrogen Flouride(HF) or Hydrogen Halide(HX) which is very harmful. The resultant could be:

1. Explosive: Reaction products may be explosive or sensitive to shock or friction

2. Flammable: Reaction products may be flammable.

3. Generates Heat: Exothermic Reaction at ambient temperature(releases heat)

4. Intense or explosive Reaction: Reaction may be particularly intense, violent, or explosive

5. Toxic: Reaction products may be toxic.

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