Nylon-11
AKA “11-AMINOUNDECANOIC ACID, 2432-99-7, Undecanoic acid, 11-amino-, 11-Aminoundecylic acid, NCI-C50613, SFU34976HB, NSC-240503, NSC-662428, DTXSID5020077, RefChem:907971
Ingredient
Ingredient Facts
Nylon-11
AKA: 11-AMINOUNDECANOIC ACID, 2432-99-7, Undecanoic acid, 11-amino-, 11-Aminoundecylic acid, NCI-C50613, SFU34976HB, NSC-240503, NSC-662428, DTXSID5020077, RefChem:907971
Ingredient · Bulking · EWG: 1
Synthetic
Plant Oil
Clean
11-Aminoundecanoic acid, homopolymer
Solubility less than 0.1 mg/mL at 70 °F (NTP, 1992)
Formula
C11H23NO2
Mol. Weight
201.31
CAS #
25035-04-5
Form
Powder
State
11-aminoundecanoic acid appears as white crystalline solid or powder. (NTP, 1992)
See origin →
Functions
Bulking
Viscosity Controlling
Adds Body & Volume
Controls Viscosity
Adds volume
Controls product thickness
Traditional Use
Synthetic polyamide created in the 20th century for various industrial and cosmetic applications. Used in cosmetics as a polymer for texture and spreadability improvement.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR