Methyl trioctyl ammonium chloride Property

Melting point:

-20°C

Boiling point:

240°C

Density 

0.884 g/mL at 25 °C(lit.)

vapor pressure 

0Pa at 25℃

refractive index 

n20/D 1.4665(lit.)

Flash point:

>230 °F

storage temp. 

under inert gas (nitrogen or Argon) at 2-8°C

solubility 

soluble in Chloroform, Hexanes

form 

Viscous Liquid

color 

Colourless to pale orange

Odor

Ammonical

Water Solubility 

Partially insoluble

Sensitive 

Hygroscopic

BRN 

4039255

Stability:

Stable. Incompatible wth strong oxidizing agents. Hygroscopic.

InChIKey

XKBGEWXEAPTVCK-UHFFFAOYSA-M

LogP

4.5 at 25℃

CAS DataBase Reference

5137-55-3(CAS DataBase Reference)

EPA Substance Registry System

Methyltrioctylammonium chloride (5137-55-3)

Safety

Hazard Codes 

Xn,N,C

Risk Statements 

22-38-41-50/53-36/37/38-20/21/22-34

Safety Statements 

26-39-60-61-36-45-36/37/39

RIDADR 

UN 2810 6.1/PG 3

WGK Germany 

3

RTECS 

UZ2997500

F 

3-10

HazardClass 

6.1

PackingGroup 

III

HS Code 

29239000

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H301Toxic if swalloed

H314Causes severe skin burns and eye damage

H373May cause damage to organs through prolonged or repeated exposure

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P202Do not handle until all safety precautions have been read and understood.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Methyl trioctyl ammonium chloride Chemical Properties,Usage,Production

Description

Methyltrioctylammonium chloride is a water insoluble quaternary ammonium salt, which is widely used as a counter ion in solvent extraction of anionic metal complexes. It is widely used as a phase transfer catalyst for the catalytic oxidation of cyclohexene to 1,6-hexanedioic acid. In comparison to traditional method of oxidizing cyclohexanol or cyclohexanone with nitric acid or potassium permanganate, the usage of methyltrioctylammonium chloride is a more environmentally friendly reaction.

Reference

N. Pourreza, H. Zavvar Mousavi, Determination of cadmium by flame atomic absorption spectrometry after preconcentration on naphthalene– methyltrioctylammonium chloride adsorbent as tetraiodocadmate (II) ions, Analytica Chimica Acta, 2004, vol. 503, pp. 279-282

Chemical Properties

viscous colourless to pale orange liquid

Uses

Methyltrioctylammonium chloride can be used:

• As a catalyst in the synthesis of acridine dione derivatives from aromatic aldehyde, dimedone and amines under ultrasonic irradiations.
• As a catalyst in the synthesis of extended π-systems using aromatic aldehydes and methyldiazines.
• As a component of a catalytic system used in the Suzuki-Miyaura cross-coupling reaction of a variety of aryl and heteroaryl chlorides in H₂O.

Uses

Mixture of C₈ and C₁₀ chains with C₈ predominating. Used as a metal extraction reagent and a phase-transfer catalyst.

Definition

ChEBI: An organic chloride salt having methyltrioctylammonium as the cation.

Flammability and Explosibility

Not classified

Safety Profile

Poison by ingestion and intraperitoneal routes. When heated to decomposition it emits very toxic fumes of NOx, NH3, and Cl-.

Purification Methods

A 30% (v/v) of Aliquat 336 solution in *benzene is washed twice with an equal volume of 1.5M HBr. [Petrow & Allen, Anal Chem 33 1303 1961.] It is purified by dissolving 50g in CHCl3 (100mL) and shaking with 20% NaOH solution (200mL) for 10minutes, and followed by 20% NaCl (200mL) for 10minutes. It is then washed with a small volume of H2O and filtered through a dry filter paper [Adam & Pribil Talanta 18 733 1971]. n-Alkylammonium chloride n=2,4,6. Recrystallise them from EtOH or an EtOH/Et2O mixture. [Hashimoto & Thomas J Am Chem Soc 107 4655 1985, Chu & Thomas J Am Chem Soc 108 6270 1986.] n-Alkyltrimethylammonium bromide n=10,12,16. Recrystallise them from an EtOH/Et2O mixture. [Hashimoto & Thomas J Am Chem Soc 107 4655 1985.]