tribasic sodium phosphate vs trisodium orthophosphate

tribasic sodium phosphate and trisodium orthophosphate both are nouns.

Word	Noun	Adjective	Verb	Adverb
tribasic sodium phosphate	Yes	No	No	No
trisodium orthophosphate	Yes	No	No	No

As nouns, tribasic sodium phosphate and trisodium orthophosphate are synonyms defined as:

tribasic sodium phosphate and trisodium orthophosphate: the tertiary phosphate of sodium used as a builder in soaps and detergents

Other synonyms of tribasic sodium phosphate include trisodium phosphate.

tribasic sodium phosphate (noun)	trisodium orthophosphate (noun)
the tertiary phosphate of sodium used as a builder in soaps and detergents	the tertiary phosphate of sodium used as a builder in soaps and detergents