Benzyl trimethyl ammonium chloride

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Structural formula
Structural formula of benzyltrimethylammonium chloride
General
Surname Benzyl trimethyl ammonium chloride
other names

BTMACl

Molecular formula C 10 H 16 ClN
Brief description

colorless solid with a characteristic odor

External identifiers / databases
CAS number 56-93-9
EC number 200-300-3
ECHA InfoCard 100,000,273
PubChem 5963
Wikidata Q22829137
properties
Molar mass 185.70 g mol −1
Physical state

firmly

density

1.07 g cm −3

Melting point

243 ° C

solubility
Refractive index

1.4440 (20 ° C)

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

danger

H and P phrases H: 301 + 311-332-341-412
P: 273-280-302 + 352-308 + 310
Toxicological data

500 mg kg −1 ( LD 50 ,  rat ,  oral )

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

Benzyltrimethylammonium chloride is a chemical compound from the group of quaternary ammonium salts and chlorides .

Extraction and presentation

Benzyltrimethylammonium chloride is made by reacting benzyl chloride and trimethylamine in absolute ethanol . In addition, a reaction with benzyldimethylamine and methyl chloride , with or without a solvent , can be used to prepare this compound. It can also be made by dissolving benzyl chloride in diethyl ether and adding 25% trimethylamine in methanol .

properties

Benzyltrimethylammonium chloride is a flammable, hardly ignitable, hygroscopic , crystalline, colorless solid with a characteristic odor, which is easily soluble in water. It decomposes when heated, producing ammonia and hydrogen chloride .

use

Benzyltrimethylammonium chloride is an economically important catalyst . The compound is used as an antistatic agent , cleaning agent , softener for textiles and in paper products.

Individual evidence

  1. ↑ a b c d e f g h Entry on benzyltrimethylammonium chloride in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
  2. ↑ a b c d data sheet Benzyltrimethylammonium chloride, 97% from AlfaAesar, accessed on November 3, 2018 ( PDF )(JavaScript required) .
  3. ↑ Benzyltrimethylammonium chloride data sheet (PDF) from Merck , accessed on November 3, 2018.
  4. ^ US Department of Health and Human Services: NTP Technical Report on the Toxicity Studies of Benzyltrimethylammonium Chloride (PDF), February 2000, accessed November 2, 2018.
  5. ↑ Uri Zoller: Handbook of Detergents . CRC Press, Abingdon 2008, ISBN 978-1-4398-3295-0 , pp. 229 ( limited preview in Google Book Search - 6 Volume Set).