81101 Supelco


for HPLC, LiChropur, ≥99.5% (GC)

Synonym: N,N-Diethylethanamine

  • CAS Number 121-44-8

  • Linear Formula (C2H5)3N

  • Molecular Weight 101.19

  •  Beilstein/REAXYS Number 605283

  •  EC Number 204-469-4

  •  MDL number MFCD00009051



Related Categories Analytical Reagents, Analytical/Chromatography, Chromatography Reagents & Solvents, HPLC Buffers and Reagents
grade   for HPLC
vapor density   3.5 (vs air)
vapor pressure   51.75 mmHg ( 20 °C)
assay   ≥99.5% (GC)
form   liquid
autoignition temp.   593 °F
quality   LiChropur
expl. lim.   8 %
application(s)   HPLC: suitable
refractive index   n20/D 1.401 (lit.)
pH   12.7 (15 °C, 100 g/L)
bp   88.8 °C (lit.)
mp   −115 °C (lit.)
density   0.726 g/mL at 25 °C (lit.)
cation traces   Al: ≤0.2 mg/kg
  Ba: ≤0.1 mg/kg
  Bi: ≤0.1 mg/kg
  Ca: ≤0.5 mg/kg
  Cd: ≤0.05 mg/kg
  Co: ≤0.02 mg/kg
  Cr: ≤0.02 mg/kg
  Cu: ≤0.02 mg/kg
  Fe: ≤0.1 mg/kg
  K: ≤0.5 mg/kg
  Li: ≤0.1 mg/kg
  Mg: ≤0.1 mg/kg
  Mn: ≤0.02 mg/kg
  Mo: ≤0.02 mg/kg
  Na: ≤0.5 mg/kg
  Ni: ≤0.02 mg/kg
  Pb: ≤0.1 mg/kg
  Sr: ≤0.1 mg/kg
  Zn: ≤0.1 mg/kg
absorption   cut-off at 250.0-280.0 nm
InChI   1S/C6H15N/c1-4-7(5-2)6-3/h4-6H2,1-3H3



Triethylamine may be used as a mobile phase in:
• High-performance liquid chromatography (HPLC) determination of levofloxacin in soft tissue, bone, bile and serum.
• HPLC determination of phospho- and sphingo-lipids in dairy products.
• HPLC determination of amoxicillin in premixes.


Clear borosilicate glass, high hydrolytic resistance (Type I)

Recommended products

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Signal word 
Target organs 
Respiratory system
UN1296 - class 3 - PG 2 - Triethylamine
WGK Germany 
Flash Point(F) 
12.2 °F
Flash Point(C) 
-11 °C
Protocols & Articles


Assay and Organic Impurity Profiling of Apixaban Using an Ascentis® Express C18 Column and UV Detection

Apixaban is a selective, orally bioavailable, and reversible inhibitor of free and clot-bound factor Xa (which catalyzes the conversion of prothrombin to thrombin). Apixaban is sold under the trade n...
Keywords: High performance liquid chromatography

Assay and Organic Impurity Profiling of Apixaban using an Ascentis Express C18 column and UV Detection

Inject standard solution and determine the retention time of desired analyte in the presence of other components like impurities and excipient.
Keywords: High performance liquid chromatography

Peer-Reviewed Papers


Related Products

related product

Product #


Add to Cart

69372 Triethylammonium acetate buffer, for HPLC, 0.98-1.02 M
80948 Sodium sulfate, for HPLC, LiChropur, 99.0-101.0% (T)
18597 Triethylammonium bicarbonate buffer, 1 M, for HPLC, LiChropur
79762 Ammonium phosphate dibasic, for HPLC, LiChropur, 99.0-101.0% (T)
79884 Ethylenediaminetetraacetic acid disodium salt dihydrate, for HPLC, LiChropur, 99.0-101.0% (KT)
79714 Sodium acetate, for HPLC, LiChropur, 99.0-101.0% (NT)
89273 Borate buffer, for HPLC, LiChropur, 0.127-0.140 M
93752 Phosphoric acid solution, 49.5-50.5%, for HPLC, LiChropur
57618 Potassium phosphate monobasic, for HPLC, LiChropur, 99.5-101.0% (T)
59678 Potassium phosphate dibasic, for HPLC, LiChropur, 99.0-101.0% (T)
56778 Triethylammonium phosphate solution, for HPLC, 0.95-1.05 M
56581 Sodium perchlorate monohydrate, for HPLC, LiChropur, 99.0-101.0% (T)
56982 Potassium phthalate monobasic, for HPLC, LiChropur, 99.5-100.5% (HPLC)
52074 Sodium phosphate monobasic, for HPLC, 99.0-101.0% (T)
57619 Acetic acid – triethylamine solution 1:1, for HPLC, LiChropur
63961 Triethylamine hydrochloride, for HPLC, LiChropur, 99.0-101.0% (AT)
56865 Ammonium trifluoroacetate, for HPLC, 99.0-101.0% (NT)
49685 Phosphoric acid, for HPLC, LiChropur, 85%
69413 Sodium hydroxide solution, for HPLC, LiChropur, 49.0-51.0%
5.43808 Acetic acid 100%, for HPLC LiChropur
5.43828 ortho-Phosphoric acid 85%, for HPLC LiChropur
5.43832 Sodium chloride, for HPLC LiChropur
5.43838 di-Sodium hydrogen phosphate anhydrous, for HPLC LiChropur
5.43837 Ammonium dihydrogen phosphate, for HPLC LiChropur
5.43804 Formic acid 98 - 100%, for HPLC LiChropur
5.43833 Sodium acetate trihydrate, for HPLC LiChropur
5.43835 Ammonium hydrogen carbonate, for HPLC LiChropur
5.43827 Sulfuric acid 98%, for HPLC LiChropur
5.43839 di-Potassium hydrogen phoshpate anhydrous, for HPLC LiChropur
5.43841 Potassium dihydrogen phosphate anhydrous, for HPLC LiChropur
5.43834 Ammonium acetate, for HPLC LiChropur
93350 Trizma® base, puriss. p.a., ≥99.7% (T)
59510 Methanesulfonic acid, for HPLC, LiChropur, ≥99.5% (T)

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?