All four of these products are based on isodecyl alcohol, C9-11-iso, C10-rich Alcohol. The four and five mole EO adducts, PEL-ALC IDA-4 and IDA-5, are both very good wetting agents. The 30 mole ethoxylates are good dispersing agents and high HLB emulsifiers. PEL-ALC DA-30, 70% is an easy to handle grade of Isodeceth-30 sold as a 70% solution in water.