Aminomethyl Propanol
AKA “2-Amino-2-methyl-1-propanol, 2-Aminoisobutanol, Aminomethylpropanol, Isobutanol-2-amine, 1-Propanol, AMP Regular, 2-AMINO-2-METHYLPROPANOL, Amp-95
Synthetic
Ingredient Facts
Aminomethyl propanol
AKA: 2-Amino-2-methyl-1-propanol, 2-Aminoisobutanol, Aminomethylpropanol, Isobutanol-2-amine, 1-Propanol, AMP Regular, 2-AMINO-2-METHYLPROPANOL, Amp-95
Synthetic · Buffering · EWG: 4
Synthetic
Synthetic
Clean
Helps balance the formula's pH so it feels comfortable on skin and works effectively without irritation.
Solubility MISCIBLE WITH WATER; SOL IN ALCOHOLS
Formula
C4H11NO
Mol. Weight
89.14
CAS #
124-68-5
Form
Liquid
State
2-amino-2-methyl-1-propanol appears as a clear light colored liquid. Insoluble in water and about the same density as water. Flash point 172 °F. Used to make other chemicals.
See origin →
Functions
Buffering
Viscosity Controlling
pH Adjuster
Fights Acne
Maintains optimal pH
Traditional Use
Synthetic buffering agent developed in the mid-20th century for cosmetic formulations. Created to regulate pH in skincare and color cosmetic products for improved stability.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-4
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR