The benzidine test is a test for cyanide. The limitations of this test are that benzidine has been linked to bladder and pancreatic cancer.
If it isn't hazardous, there is no reason to label it, except for what the substance is.
A benzidine is anaromatic diamine, 4,4'-diaminobipheny, used in testing for cyanide and for traces of blood.
Ozone turns benzidine paper to a blue color.
identify the criteria that determines a substance as being a hazardous material
Some paint can be hazardous, but some is not. Paint that contains lead or other toxic pigments may be hazardous. Paint containing flammable solvents can be a fire or explosion hazard when in the can or when being applied.
There is no difference. They both mean the same.
It is a substance of moderate toxicity.
corrosive
Waste
ASBESTOS
EXPOSURE