The msds for benzene indicates that it is a clear liquid that has a substantial vapor pressure. it has a health rating of 2, a fire rating of 3, and a reactivity rating of 0. it is a cancer-causing agent.
based on this information, which statement about benzene is accurate?

benzene readily reacts with moist air.
benzene explodes if the container is shaken.
benzene must be kept away from flames.
benzene must be stored under high pressure.

The correct statement is benzene must be kept away from flames.

Explanation:

We are given:

Health rating of benzene = 2

Fire rating of benzene = 3

Reactivity rating of benzene = 0

And this compound is a cancer-causing agent.

From the given options:

Option 1: Benzene readily reacts with moist air.

As, the reactivity rating of this compound is 0. Thus, this statement is not accurate.

Option 2: Benzene explodes if the container is shaken.

As, the reactivity rating of this compound is 0. Thus, this statement is not accurate.

Option 3: Benzene must be kept away from flames.

As, the fire rating of this compound is 3. Thus, this compound must be kept away from flames and hence, this statement is accurate.

Option 4: Benzene must be stored under high pressure.

As, the reactivity rating of this compound is 0. Thus, this statement is not accurate.

From the above information, we get that the correct statement is benzene must be kept away from flames.

Option C, Benzene must be kept away from flames.

Explanation:

As per the material safety data sheet (MSDS), Benzene has potential risk or hazards associated with its usage and storage –  

a)It is extremely flammable in presence of sparks or heat. Its vapor can travel to source of ignition and flash thereby causing fire.  This is the reason that it has a fire rating of 3

b)It may also cause irritation on direct contact with naked skin hence special care must be taken to store it . Inhalation of its vapours can cause respiratory tract irritation and Central Nervous System (CNS) Depression.  This is the reason that it has a health rating of 2

Hence, option C is correct

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