Answer:
Ethylene glycol (antifreeze)
Explanation:
Based on the information provided within the question it can be said that the type of poisoning involved would be Ethylene glycol also known as antifreeze. This is a liquid used in cars that keeps the radiator's from freezing in cold temperatures. It is odorless and tasteless and can be high poisonous when ingested. This poison also causes the crackles in the lungs as described in this scenario.