2-Amino-3-Hydroxypyridine

AKA: 16867-03-1, 2-Amino-3-pyridinol, 3-Pyridinol, 3-Hydroxy-2-pyridinamine, 3-HYDROXY-2-AMINOPYRIDINE, JAROCOL 2A3HP, RODOL 2A3PYR
Synthetic
Not Clean
OriginDerived from pyridine, a nitrogen-containing aromatic compound synthesized from petroleum-based feedstocks. Produced through selective amino and hydroxyl group substitution on the pyridine ring via multi-step organic synthesis.
2-amino-3-hydroxypyridine is a monohydroxypyridine and an aminopyridine.
Formula
C5H6N2O
Mol. Weight
110.11
CAS #
16867-03-1
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Hair Dyeing
Antioxidant Protection
Colors Hair
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 672)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 672)
Eye Irritant in Testing
1 study / 1 irritating (CIR 672)
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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