Do all products and chemicals have WHMIS label?

No, All products do not come under a WHMIS Label.

WHMIS covers only products that are sold in controlled amounts. WHMIS labels come for hazardous chemicals and equipment. Its purpose is to warn employees of the hazards of a product. It can also be used to list the precautions of using a product.

They don't because househouldproducts and stuff need different labels