Alternatively, the phosphate ester may be prepared by a reaction of the ethoxylated alcohol with {TAIL ~ phosphoric anhydride} to form {HEAD ~ a di ester/mono ester mixture} 
Alternatively , the phosphate ester may be prepared by a reaction of the ethoxylated alcohol with { TAIL ~ phosphoric anhydride } to form { HEAD ~ a di ester / mono ester mixture }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD