Nylon-66

Nylon-66 1
molecular structure · PubChem CID 36070
AKA: A 142 (nylon), A 146 (nylon), A 153 (nylon), A 175 (nylon), A 203 (nylon), 126AM30P, A 216V35
Synthetic
Clean
OriginProduced from adipic acid and hexamethylenediamine, both derived from petroleum feedstocks. Synthesized through polycondensation reaction, linking monomers into long polymer chains.
Poly[imino(1,6-dioxo-1,6-hexanediyl)imino-1,6-hexanediyl]
Formula
C12H20N2O2
Mol. Weight
224.30
CAS #
32131-17-2
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Bulking
Opacifying
Viscosity Controlling
Adds Body & Volume
Adds Opacity
Controls Viscosity
Adds volume
Creates creamy opacity
Controls product thickness
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.2–8%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR