(C16-C18) Unsaturated alky alcohol ethoxylate 60120-14-1 62229-31-6 68155-01-1 76296-82-7 76600-58-3 76600-59-4 8036-14-4 81989-49-3 Alcohols, C16 and C18-unsatd, ethoxylated Polyoxyethylene cetyl and oleyl ethers