C12-15 pareth-12

C12-15 pareth-12 (International Nomenclature of Cosmetic Ingredients (INCI) name) is an emulsifier and surfactant commonly used in cosmetics formulations. It is a polyethylene glycol ether formed by combining synthetic C₁₂–C₁₅ fatty alcohols with 12 moles of ethylene oxide.

C12-15 pareth-12

Names
Other names C12-15 pareth-12 Ethoxylated C12-15 alcohols
Identifiers
CAS Number	68131-39-5
UNII	131316X18L
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

According to the INCI, "the term Pareth applies to ethoxylated paraffinic alcohols containing both even- and odd-carbon chain length fractions."[1]

References

1. "INCI Nomenclature Conventions" (PDF). The Personal Care Products Council. Retrieved July 26, 2020.