Is Murphy oil soap good for wood floors?

No. Most floors are polyurethaned. The oil has no were to go and with the dirt that all floors collect, mixes with the oil and become grime. In time the oil will get through to the wood and permanently damage your floor. It isextremely hard to clean off. The best cleaners are an alcohol based. Generally, any product that claims to shine your wood floors, is bad.

If you already Murphy's Oil Soap on the floor, you will need to get it off as soon as possible. Since the oil in Murphy's is vegetable oil, glass cleaner like windex will clean it off. After this, you don't want to use glass cleaners for your wood floors. The ammonia in the cleaner is what cuts the Murphy's but can also damage your floor with prolonged use.