Trichlorosilane:
Trichlorosilane is the building block for ultrapure silicon and silicon-containing organic compounds used in surface science and nanotechnology to form Self-assembled monolayers. 
Up Stream Materials/Building Blocks:
​Hydrochloric Acid (by/co-product)

Hydrogen Chloride
Silicon (metallurgical grade) 
Silicon Tetrachloride (by/co-product)
Hexachlorodisilane(by/co-product)

Dichlorosilane (by/co-product)

Down Stream Materials Consuming Trichlorosilane:

Silicon organic compounds

Silicon (ultrapure used by the electronics industry

 Octadecyltrichlorosilane(OTS)

Perfluoroctyltrichlorosilane (PFOTCS)

Perfluordecyltrichlorosilane(FDTS).