OriginSynthesized from propylene oxide and ammonia, belonging to the alkanolamine chemical family. Produced through the reaction of ammonia with propylene oxide under controlled temperature and pressure conditions.
1,1',1''-Nitrilotripropan-2-ol
Solubility Soluble (NTP, 1992)
Formula
C9H21NO3
Mol. Weight
191.27
CAS #
122-20-3
Form
Liquid
State
Triisopropanolamine is a white solid with slight odor of ammonia. Denser than water.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Buffering
Stabilizes pH
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
7
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
3 studies / 3 not sensitizing (CIR 165 and 934)
Mixed Eye Irritation Results
6 studies / 5 irritating / 1 not irritating / reactions moderate to severe (CIR 165 and 934)
Mixed Skin Irritation Results
10 studies / 7 irritating / 1 mixed / 2 not irritating / reactions slight to moderate (CIR 165 and 934)
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