Tetramethylammonium chloride

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Structural formula
Structural formula of tetramethylammonium chloride
General
Surname Tetramethylammonium chloride
other names
  • N , N , N -trimethylmethanaminium chloride (IUPAC)
  • TMA
Molecular formula C 4 H 12 ClN
Brief description

colorless solid

External identifiers / databases
CAS number 75-57-0
EC number 200-880-8
ECHA InfoCard 100,000,801
PubChem 6379
Wikidata Q2667590
properties
Molar mass 109.60 g mol −1
Physical state

firmly

Melting point

> 300 ° C

solubility

very soluble in water (657.6 g l −1 at 20 ° C)

safety instructions
GHS labeling of hazardous substances
06 - Toxic or very toxic 08 - Dangerous to health 09 - Dangerous for the environment

danger

H and P phrases H: 300-311-315-370-411
P: 260-273-280-301 + 310 + 330-302 + 352 + 312-308 + 311
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Tetramethylammonium chloride is an inorganic chemical compound from the group of quaternary ammonium compounds , with the constitutional formula [N (CH 3 ) 4 ] Cl.

Extraction and presentation

Tetramethylammonium chloride

Tetramethylammonium chloride is formed (in addition to methylamine , dimethylamine and trimethylamine ) when chloromethane reacts with ammonia .

properties

Tetramethylammonium chloride is a colorless solid that is soluble in water. The solution can be titrated with iron (III) chloride .

use

Tetramethylammonium chloride is used in experimental pharmacology as a ganglionic substance that has no central effects. It is not accessible to the brain and is of no therapeutic importance. It is also used as part of fracking solutions.

Individual evidence

  1. a b c d e data sheet Tetramethylammonium chloride, ≥99.0% (AT) from Sigma-Aldrich , accessed on December 11, 2015 ( PDF ).
  2. a b Entry on tetramethylammonium chloride in the GESTIS substance database of the IFA , accessed on January 8, 2018(JavaScript required) .
  3. Adalbert Wollrab: Organic Chemistry An introduction for teacher training and minor students . Springer-Verlag, 2014, ISBN 978-3-642-45144-7 , pp. 913 ( limited preview in Google Book search).
  4. James E. Huheey, Ellen A. Keiter, Richard L. Keiter: Inorganic chemistry principles of structure and reactivity . Walter de Gruyter, 2003, ISBN 978-3-11-017903-3 , p. 372 ( limited preview in Google Book search).
  5. Spektrum.de: Tetramethylammoniumchlorid , accessed on December 11, 2015.
  6. Entry on Tetramethylammonium chloride in the Hazardous Substances Data Bank , accessed on December 11, 2015.
  7. ^ Robert B. Northrop, Anne N. Connor: Ecological Sustainability Understanding Complex Issues . CRC Press, 2013, ISBN 978-1-4665-6512-8 , pp. 96 ( limited preview in Google Book search).