tribasic sodium phosphate vs trisodium phosphate

tribasic sodium phosphate and trisodium phosphate both are nouns.

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

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

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

Other synonyms of tribasic sodium phosphate include trisodium orthophosphate.

tribasic sodium phosphate (noun)	trisodium phosphate (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