Thermo Scientific™ Pierce™ Triethylamine (TEA) Solvent

Bottles of 99.5%-pure TEA (MW 101.2, CAS 121-44-8) liquid (sold by weight); for HPLC use as an ion-pairing agent in reverse-phase peptide separations.

Brand: Thermo Scientific™

Manufacturer Part Number: 25108


UNSPSC: 41116105

Code: PN

Additional Details:
Additional Details: CAS Number: 121-44-8 Weight: 1.81440kg Transport: UN number : 1296 Chem class : 1b Pack group : II

Product Code. 11831385

Quantity Price
1 £ 105.0 / 100g
EU Stock 1
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Description and Specification


For Use With HPLC
Hazards Flammable, Harmful, Irritant
Item Description 100g
Standard Components Triethylamine
Standard Concentration 98 to 100%
Description Pierce Triethylamine (TEA), Sequencing Grade
Formulation Clear, colorless liquid of TEA (at least 99.5% pure; low water)
Quantity 100g
Storage 2° - 8°C

Triethylamine is an ion-pairing reagent that alters selectivity in reverse-phase HPLC separations. By pairing with peptides, it effectively sharpens peaks, resulting in improved peak resolution.


  • >99.5% triethylamine purity, allowing sensitive peptide detection at low UV wavelengths in reverse-phase HPLC peptide separation systems Packaged in amber glass bottles with protective PTFE-lined fluorocarbon caps for reagent integrity
  • Has a low UV absorbance to provide the most sensitive detection across all wavelengths

Properties of Triethylamine

  • Alternate names TEA, Diethylethanamine Molecular formula C6H15N Molecular weight 101.19 Density 0.726g/mL

Ordering Information:

X in the ordering table indicates that hazardous shipping charges apply.