14937-42-9

Basic information

• Product Name: TETRAKIS(DECYL)AMMONIUM BROMIDE
• Synonyms: TETRA-N-DECYLAMMONIUM BROMIDE;TETRAKIS(DECYL)AMMONIUM BROMIDE;TETRA-DECYLAMMONIUM BROMIDE;TETRA DECYL AMMONIA BROMIDE;TETRAKIS(DECYL)AMMONIUM BROMIDE, FOR IPC;Tetra-n-decylammoniumbromide95+%;Tetrakisdecylaminium·bromide;Tetradecylaminium·bromide
• CAS NO: 14937-42-9
• Molecular Formula: Br*C₄₀H₈₄N
• Molecular Weight: 659.01
• EINECS: 239-013-3
• Product Categories: Ammonium Bromides (Quaternary);Quaternary Ammonium Compounds
• Mol File: 14937-42-9.mol
• Article Data: 0

Chemical Properties

• Melting Point: 89-90 °C
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: White/Fine Powder
• Density: g/cm³
• Storage Temp.: Inert atmosphere,Room Temperature
• Solubility: ethanol: 0.1 g/mL, clear, colorless
• Stability: Stable. Hygroscopic. Incompatible with strong oxidizing agents.
• BRN: 5842649
• CAS DataBase Reference: TETRAKIS(DECYL)AMMONIUM BROMIDE(CAS DataBase Reference)
• NIST Chemistry Reference: TETRAKIS(DECYL)AMMONIUM BROMIDE(14937-42-9)
• EPA Substance Registry System: TETRAKIS(DECYL)AMMONIUM BROMIDE(14937-42-9)

Safety Data

• Statements: 36/37/38
• Safety Statements: 22-24/25
• WGK Germany: 3
• Hazardous Substances Data: 14937-42-9(Hazardous Substances Data)

Usage

Chemical Properties

white powder

Uses

Tetrakis(decyl)ammonium Bromide is a stabilizing agent, that is being used to promote substantial nanoparticle growth. Tetrakis(decyl)ammonium Bromide is also a quaternary alkyl salt used to produce organoclays.

General Description

Tetrakis(decyl)ammonium bromide is a cationic surfactant.

InChI:InChI=1/C40H84N.BrH/c1-5-9-13-17-21-25-29-33-37-41(38-34-30-26-22-18-14-10-6-2,39-35-31-27-23-19-15-11-7-3)40-36-32-28-24-20-16-12-8-4;/h5-40H2,1-4H3;1H/q+1;/p-1

Synthetic route

2N(C4H9)4(1+)*H(1+)*(C6H5P(O))2PW11O39(3-)=(N(C4H9)4)2H((C6H5P(O))2PW11O39) + tetrakis(decyl)ammonium bromide (14937-42-9) → 2N(C10H21)4(1+)*H(1+)*(C6H5P(O))2PW11O39(3-)=(N(C10H21)4)2H((C6H5P(O))2PW11O39)

Conditions	Yield
In chloroform; acetonitrile addn. of a soln. of the tetraalkylammonium salt in CHCl3 to a hot soln. of the heteropolytungstate in acetonitrile at 60°C, stirring for 3.5 h; concg., (80°C), cooling to room temp., decantation, dissolving in CHCl3-CH3CN, concg., (80°C), cooling to room temp., decantation, drying in vac.; second crop on repetition of procedure;	100%

12-molybdosilicic acid + tetrakis(decyl)ammonium bromide (14937-42-9) → (tetra-n-decylammonium)4(SiMo12O40)

Conditions	Yield
In dichloromethane; water dropwise addn. of an aqueous soln. of the acid to a soln. of the ammonium bromide in CH2Cl2 with stirring, stirring for 30 min; sepg. of the heavy layer, addn. to ethanol at 40°C, evapn. of the solvents, drying of the obtained gum in vacuo;

hydrogen hexachloroplatinate(IV) monohydrate + tetrakis(decyl)ammonium bromide (14937-42-9) → platinum (7440-06-4)

Conditions	Yield
With NaBH4 In water; toluene aq. soln. of Pt compd. added to toluene soln. of TDAB, stirred, aq. layer septd., toluene soln. of NaBH4 added to toluene soln. of Pt compd., stirred overnight; evapd., septd., TEM;

dodecatungstosilic acid + tetrakis(decyl)ammonium bromide (14937-42-9) → [(tetra-n-decylammonium)]4[SiW12O40]

Conditions	Yield
In water at 20℃; for 1h; Solvent;

10-molybdo-2-vanadophosphoric acid + tetrakis(decyl)ammonium bromide (14937-42-9) → 5C40H84N(1+)*PV2Mo10O40(5-)

Conditions	Yield
In methanol at 20℃;

Downstream Products

• 7440-06-4 platinum