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PROPANE - top 10 encountered chemicals and information

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Question
Answer
This type gas belongs to what family of gases?   Hydrocarbon family  
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What is the chemical formula for this gas?   C3 H8  
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What sensory reaction would you get if exposed?   Tasteless, Colorless, odorless  
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What physical properties is this found in?   Gas or liquid  
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how is this transported?   In a liquid form, under pressure  
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What is the expansion ratio?   1 to 270  
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what is the specific gravity of this? (sink or float)   Specific gravity of 0.504  
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What is the vapor density of this?   1.52 @ 60 degrees F, sinks  
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Will PID read this?   No, IP is 11.06 Ev  
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What is the IDLH?   2100 ppm  
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What is the odor agent typically used in this?   Ethyl Mercaptin, must be able to be smelled before 20% of LEL. Used at 1 pound per 10,000 gallons, Ethyl Mercaptin has odor threshold of 1 ppb.  
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