Alibaba offers 173 sodium borate formula products. about 1% of these are electronics chemicals, 1% are phosphate, and 1% are rubber auxiliary agents. a wide variety of sodium borate formula options are available to you, such as chemical auxiliary agent, phosphate, and carbonate. Alibaba offers 169 sodium borate chemical formula products. about 1% of these are sulphate, 1% are leather auxiliary agents, and 1% are electronics chemicals. a wide variety of sodium borate chemical formula options are available to you, such as chemical auxiliary Aggregated ghs information provided by 1563 companies from 25 notifications to the echa c&l inventory. each notification may be associated with multiple companies. reported as not meeting ghs hazard criteria by 1 of 1563 companies. for more detailed information, please visit echa c&l Formula and structure: borax can be found as anhydrous, pentahydrate or decahydrated salt. the anhydrous and decahydrate forms are the most common. the borax decahydrate chemical formula is na 2 b 4 o 7.10h 2 o (also written as na 2 [b 4 o 5 (oh) 4]·8h 2 o) and its molecular formula is h 20 b 4 na 2 o 17.