Question: are some sections of the sds that are not mandatory?
Answer: Section 1: Product/Chemical Identification. ...  Section 2: Hazard Identification. ...  Section 3: Composition of the Chemical. ...  Section 4: First Aid Measures. ...  Section 5: Firefighting. ...  Section 6: Spills, Leaks, Cleanup. ...  Section 7: Handling and Storage.