Thanks for the replies. I usually just use the cheapest thick bleach from somewhere such as Aldi for cleaning underneath sinks and toilet bowls and for doing the floor. I just wondered if disinfectant had other ingredients that were beneficial. Maybe the only difference is the perfume.
Bleach is a very powerful disinfectant, far more so than other proprietary disinfectants. One thimbleful in a bucket of water will kill practically any micr-organism with which it comes in contact.. Most people use about a 100 times as much as is needed. Think of the money you could save.
People with septic tanks don't use bleach in their toilets and don't die of dreadful diseases any more than those who use gallons of bleach. There is a lesson here.
Be careful to always flush the toilet after using bleach.If not and someone uses the toilet it could be disastrous . Urine and bleach together make poisonous fumes !!
I have my own mini sewage treatment plant (no mains drainage in the village) - bleach and 'disinfectant' are very sparingly used (if at all). I love the bugs that digest my sewage and don't want to kill the friendly little microbes.
It doesn't hurt me & it's possible to keep stuff clean without nuking everything with bleach.
Modern life seems obsessed with killing bacteria - perhaps that's why there are so many allergies and sensitivities around.