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33729 Sigma-Aldrich

Triethanolamine

puriss. p.a., ≥99% (GC)

Synonym: 2,2′,2′′-Nitrilotriethanol, Tris(2-hydroxyethyl)amine

  • CAS Number 102-71-6

  • Linear Formula (HOCH2CH2)3N

  • Molecular Weight 149.19

  •  Beilstein Registry Number 1699263

  •  EC Number 203-049-8

  •  MDL number MFCD00002855

  •  PubChem Substance ID 57648906

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Puriss p.a., T-Z, Puriss p.a. More...
vapor density   5.14 (vs air)
vapor pressure   0.01 mmHg ( 20 °C)
InChI Key   GSEJCLTVZPLZKY-UHFFFAOYSA-N
grade   puriss. p.a.
assay   ≥99% (GC)
form   viscous liquid
autoignition temp.   600 °F
expl. lim.   8.5 %
impurities   ≤0.0001% heavy metals (as Pb)
  ≤0.1% ethanolamine
  ≤0.1% water (Karl Fischer)
  ≤0.5% diethanolamine (GC)
ign. residue   ≤0.005% (as SO4)
refractive index   n20/D 1.485(lit.)
useful pH range   7.3 - 8.3
pKa (25 °C)   7.8
bp   190-193 °C/5 mmHg(lit.)
mp   17.9-21 °C(lit.)
transition temp   solidification point 20-22 °C
solubility   : soluble149 g/L at 20 °C (completely)
density   1.124 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤1 mg/kg
  sulfate (SO42-): ≤20 mg/kg
cation traces   Fe: ≤1 mg/kg

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
KL9275000
Flash Point(F) 
354.2 °F
Flash Point(C) 
179 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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