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90279 Sigma

Triethanolamine

≥99.0% (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 57653380

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Properties

Related Categories Biochemicals and Reagents, Biological Buffers, Buffer Convenience Packaging, Buffer Solutions, Buffers A to Z More...
vapor density   5.14 (vs air)
vapor pressure   0.01 mmHg ( 20 °C)
InChI Key   GSEJCLTVZPLZKY-UHFFFAOYSA-N
assay   ≥99.0% (GC)
form   liquid
  viscous liquid
autoignition temp.   600 °F
expl. lim.   8.5 %
impurities   ≤0.1% ethanolamine (GC)
  ≤0.2% water
  ≤0.3% diethanolamine (GC)
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.)
solubility   H2O: soluble1 M, clear, colorless
density   1.124 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤5 mg/kg
  sulfate (SO42-): ≤20 mg/kg
cation traces   Ca: ≤5 mg/kg
  Cd: ≤1 mg/kg
  Co: ≤1 mg/kg
  Cr: ≤1 mg/kg
  Cu: ≤1 mg/kg
  Fe: ≤1 mg/kg
  K: ≤20 mg/kg
  Mg: ≤1 mg/kg
  Mn: ≤1 mg/kg
  Ni: ≤1 mg/kg
  Pb: ≤1 mg/kg
  Zn: ≤1 mg/kg

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Interactive Buffer Table
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

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