Isopropylamine Dodecylbenzenesulfonate
AKA “Arylan PWS, Rhodacal 330, Siponate 330, Nansa YS 94, Atlas G 711, Witconate P 10-59, Atlas G 3300, EINECS 247-556-2
Synthetic
Ingredient Facts
Isopropylamine dodecylbenzenesulfonate
AKA: Arylan PWS, Rhodacal 330, Siponate 330, Nansa YS 94, Atlas G 711, Witconate P 10-59, Atlas G 3300, EINECS 247-556-2
Synthetic · Cleansing · EWG: 3
Synthetic
Cleanser
Synthetic
Clean
A gentle cleanser that removes dirt and oil while keeping your skin balanced. Derived from natural sources, it helps create a smooth, effective lather.
Formula
C21H39NO3S
Mol. Weight
385.60
CAS #
26264-05-1
Form
Liquid
State
Dodecylbenzenesulfonic acid, [isopropylamine salt] appears as off-white solid with a sweet petroleum odor. May float or sink and mix with water. (USCG, 1999)
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Cleansing Surfactant
Traditional Use
Synthetic surfactant developed in the mid-20th century for cleansing and emulsifying applications in cosmetics. Created as a replacement for earlier surfactants to provide better cleaning power with reduced skin irritation.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
EWG
3
CIR
Insufficient
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUpermitted
JAPANpermitted
CANADApermitted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR