What is a tributylamine structural formula


Structural formula
Surname Tributylamine
other names
  • N,N-Dibutyl-1-butanamine
  • Tri-n-butylamine
Molecular formula C.12H27N
CAS number 102-82-9
Brief description

colorless to yellowish, hygroscopic liquid with an amine-like odor[1]

Molar mass 185.35 g mol−1
Physical state



0.78 g cm−3[1]

Melting point

−70 ° C[1]

boiling point

214 ° C[1]

Vapor pressure

0.37 hPa (20 ° C)[1]


very bad in water (50 mg l−1)[1]

Refractive index


safety instructions

oral rat: 114 mg kg−1[1]

As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions. Refractive index: Na-D line, 20 ° C
Template: Infobox chemical / molecular formula search available

Tributylamine is a chemical compound that is mainly used as a solvent in syntheses. It belongs to the amine class of substances.


Tributylamine is a base, but is sterically more hindered than the more commonly used triethylamine due to the relatively larger butyl groups.


Tributylamine is used as:

safety instructions

Since tributylamine can be used to manufacture narcotics, it is on the monitoring list of the Basic Substance Monitoring Act (GÜG) and Regulation (EEC) No. 3677/90[4].

Web links

Individual evidence

  1. 1,01,11,21,31,41,51,61,71,81,9Entry to CAS no. 102-82-9 in the GESTIS substance database of the IFA, accessed on July 16, 2011 (JavaScript required).
  2. ↑ http: //docs.appliedbiosystems.com/pebiodocs/00114249.pdf
  3. ↑ Since December 1, 2012, only GHS hazardous substance labeling has been permitted for substances. Until June 1, 2015, the R-phrases of this substance can still be used to classify preparations, after which the EU hazardous substance labeling is of purely historical interest.
  4. ↑ http: //www.kmf-laborchemie.de/pdf/GUEG_Liste_A_Drogen-Vorprodukte.pdf