Sindoor me major rasayanik chemical Vermilion hota hai. Is ka chemical composition Pb3O4 hai.

Vermilion ek orange red pigment hota hai jiski wajah se sindoor ka colour hame orange red dikhai deta hai.

Hope you find this answer helpful.

Hello Umesh,

The chemical name of Sindoor is vermillion which is an orange red pigment

Its chemical composition is Pb304 .

It is the read lead which is made up of cinnabar.

it's chemical formula is Hgs.

Hope it is clear now.

wish you luck for the future :)