TAA Triacetonamine CAS 826-36-8
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TAA Triacetonamine CAS 826-36-8

White or off white crystalline powder/crystal melting point at room temperature: 35-40 ℃
Boiling point: 205-208 ℃
Solubility: Easily soluble in organic solvents such as water, ethanol, acetone, toluene, etc
Stability: Stable at room temperature, easily hygroscopic, with a slight ammonia odor, alkaline, easily oxidized
It is the core intermediate of hindered amine light stabilizers (HALS), and almost all high-end anti-aging additives are made from this raw material
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  • 826-36-8

  • bosschem

  • 826-36-8

Triacetonamine Basic information
Triacetone amine Chemical Properties Uses
Product Name: Triacetonamine
CAS: 826-36-8
MF: C9H17NO
MW: 155.24
EINECS: 212-554-2
Mol File: 826-36-8.mol


Triacetonamine Chemical Properties
Melting point 59-61 °C
Boiling point 105-105°C/18mm
density 0.9796 (rough estimate)
refractive index 1.4680 (estimate)
Fp 73°C
storage temp. 2-8°C
solubility DMSO, Methanol
pka 9.20±0.60(Predicted)
form Solid
color Pale Orange to Light Brown
Water Solubility 249g/L at 20℃
SMILES CC1(C)CC(=O)CC(C)(C)N1
LogP 1.32 at 25℃
CAS DataBase Reference 826-36-8(CAS DataBase Reference)
NIST Chemistry Reference 4-Piperidinone, 2,2,6,6-tetramethyl-(826-36-8)
EPA Substance Registry System 4-Piperidinone, 2,2,6,6-tetramethyl- (826-36-8)


Item Test Index Test Results
Appearance Colorless transparent liquid Colorless transparent liquid
Assay % 25±0.5 25.25
Carbonate % <0.1 0.04
Bromine ppm <100 55
Na (ppm)Sodium <5 0.20
K (ppm)Potassium <5 0.40
Chroma (hazen)APHA <20 10
Conclusion Qualified PASS



Item Specifications Results
Appearance Red or light yellow powder Red or light yellow powder
Chroma, Hazen ≤20 20
Fe, ppm ≤5 5
Heavy metal, ppm ≤5 5
Water, ppm ≤200 200

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