Quaternary ammonium salts

Ammonium salts in which a nitrogen atom (with a +1 formal charge) has four carbon-nitrogen single bonds; this nitrogen could be bonded to four functional groups containing carbon.

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Tetrabutylammonium Phosphate (White to Off-White Powder/HPLC Grade), Fisher Chemical™

CAS: 5574-97-0 Molecular Formula: C16H38NO4P Molecular Weight (g/mol): 339.46 MDL Number: MFCD00064526 InChI Key: ARRNBPCNZJXHRJ-UHFFFAOYSA-M PubChem CID: 2735142 IUPAC Name: tetrabutylazanium dihydrogen phosphate SMILES: OP(O)([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC

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Specifications

PubChem CID	2735142
CAS	5574-97-0
Molecular Weight (g/mol)	339.46
MDL Number	MFCD00064526
SMILES	OP(O)([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC
IUPAC Name	tetrabutylazanium dihydrogen phosphate
InChI Key	ARRNBPCNZJXHRJ-UHFFFAOYSA-M
Molecular Formula	C16H38NO4P

Tetrabutylammonium fluoride, 75% solution in water

CAS: 429-41-4 Molecular Formula: C16H36FN Molecular Weight (g/mol): 261.47 MDL Number: MFCD00011747 InChI Key: FPGGTKZVZWFYPV-UHFFFAOYSA-M Synonym: tetrabutylammonium fluoride,tbaf,tetrabutylazanium fluoride,tetrabutyl ammonium fluoride,tetra-n-butylammonium fluoride,tetrabutylamine, fluoride,n,n,n-tributylbutan-1-aminium fluoride,1-butanaminium, n,n,n-tributyl-, fluoride,n,n,n-tributyl-1-butanaminium fluoride,1-butanaminium, n,n,n-tributyl-, fluoride 1:1 PubChem CID: 2724141 ChEBI: CHEBI:51990 SMILES: [F-].CCCC[N+](CCCC)(CCCC)CCCC

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Specifications

PubChem CID	2724141
CAS	429-41-4
Molecular Weight (g/mol)	261.47
ChEBI	CHEBI:51990
MDL Number	MFCD00011747
SMILES	[F-].CCCC[N+](CCCC)(CCCC)CCCC
Synonym	tetrabutylammonium fluoride,tbaf,tetrabutylazanium fluoride,tetrabutyl ammonium fluoride,tetra-n-butylammonium fluoride,tetrabutylamine, fluoride,n,n,n-tributylbutan-1-aminium fluoride,1-butanaminium, n,n,n-tributyl-, fluoride,n,n,n-tributyl-1-butanaminium fluoride,1-butanaminium, n,n,n-tributyl-, fluoride 1:1
InChI Key	FPGGTKZVZWFYPV-UHFFFAOYSA-M
Molecular Formula	C16H36FN

(1-Tetradecyl)trimethylammonium chloride, 98%

CAS: 4574-04-3 MDL Number: MFCD00059968

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Specifications

CAS	4574-04-3
MDL Number	MFCD00059968

Tetrapropylammonium bromide, 98%

CAS: 1941-30-6 Molecular Formula: C₁₂H₂₈BrN Molecular Weight (g/mol): 266.26 MDL Number: MFCD00011840 InChI Key: BGQMOFGZRJUORO-UHFFFAOYSA-M Synonym: tetrapropylammonium bromide,tetra-n-propylammonium bromide,1-propanaminium, n,n,n-tripropyl-, bromide,tetrapropylazanium bromide,tpabr,n,n,n-tripropyl-1-propanaminium bromide,n,n,n-tripropylpropan-1-aminium bromide,tetrapropylammonium bromide tpabr,1-propanaminium, n,n,n-tripropyl-, bromide 1:1,tetra propyl ammonium bromide PubChem CID: 74745 ChEBI: CHEBI:55318 IUPAC Name: tetrapropylazanium;bromide SMILES: CCC[N+](CCC)(CCC)CCC.[Br-]

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Specifications

PubChem CID	74745
CAS	1941-30-6
Molecular Weight (g/mol)	266.26
ChEBI	CHEBI:55318
MDL Number	MFCD00011840
SMILES	CCC[N+](CCC)(CCC)CCC.[Br-]
Synonym	tetrapropylammonium bromide,tetra-n-propylammonium bromide,1-propanaminium, n,n,n-tripropyl-, bromide,tetrapropylazanium bromide,tpabr,n,n,n-tripropyl-1-propanaminium bromide,n,n,n-tripropylpropan-1-aminium bromide,tetrapropylammonium bromide tpabr,1-propanaminium, n,n,n-tripropyl-, bromide 1:1,tetra propyl ammonium bromide
IUPAC Name	tetrapropylazanium;bromide
InChI Key	BGQMOFGZRJUORO-UHFFFAOYSA-M
Molecular Formula	C₁₂H₂₈BrN

Tetra-n-butylammonium tetrafluoroborate, 99%

CAS: 429-42-5 Molecular Formula: C16H36BF4N Molecular Weight (g/mol): 329.27 MDL Number: MFCD00011634 InChI Key: NNZZSJSQYOFZAM-UHFFFAOYSA-N Synonym: tetrabutylammonium tetrafluoroborate,tetra-n-butylammonium tetrafluoroborate,tetrabutylammonium fluoroborate,1-butanaminium, n,n,n-tributyl-, tetrafluoroborate 1-,tetrabutyl ammonium tetrafluoroborate,tetrabutylammonium ion tetrafluoroborate,1-butanaminium, n,n,n-tributyl-, tetrafluoroborate 1-1:1,tbabf4,acmc-209jry,tbabf4; PubChem CID: 67932 IUPAC Name: tetrabutylazanium;tetrafluoroborate SMILES: F[B-](F)(F)F.CCCC[N+](CCCC)(CCCC)CCCC

Pricing and Availability
Specifications

PubChem CID	67932
CAS	429-42-5
Molecular Weight (g/mol)	329.27
MDL Number	MFCD00011634
SMILES	F[B-](F)(F)F.CCCC[N+](CCCC)(CCCC)CCCC
Synonym	tetrabutylammonium tetrafluoroborate,tetra-n-butylammonium tetrafluoroborate,tetrabutylammonium fluoroborate,1-butanaminium, n,n,n-tributyl-, tetrafluoroborate 1-,tetrabutyl ammonium tetrafluoroborate,tetrabutylammonium ion tetrafluoroborate,1-butanaminium, n,n,n-tributyl-, tetrafluoroborate 1-1:1,tbabf4,acmc-209jry,tbabf4;
IUPAC Name	tetrabutylazanium;tetrafluoroborate
InChI Key	NNZZSJSQYOFZAM-UHFFFAOYSA-N
Molecular Formula	C16H36BF4N

Tetramethylammonium hydroxide, 25% in water

CAS: 75-59-2 | C₄H₁₃NO | 91.15 g/mol

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Specifications

Viscosity	3.13 mPa.s (19°C)
Linear Formula	(CH₃)₄NOH
Molecular Weight (g/mol)	91.15
InChI Key	WGTYBPLFGIVFAS-UHFFFAOYSA-M
Density	1.0140g/mL
PubChem CID	60966
Name Note	25% in Water
Percent Purity	23 to 27%
Fieser	11,514
RTECS Number	PA0875000
Formula Weight	91.15
Melting Point	-25.0°C
Boiling Point	102.0°C
Color	Colorless to Yellow
Physical Form	Solution
Chemical Name or Material	Tetramethylammonium hydroxide
SMILES	C[N+](C)(C)C.[OH-]
Merck Index	15,9371
CAS	7732-18-5
Health Hazard 3	GHS P Statement Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. Rinse mouth. IF IN EYES: Rinse cautiously with water for several minutes. Remove con
MDL Number	MFCD00008280
Health Hazard 2	GHS H Statement Causes severe skin burns and eye damage. Toxic if swallowed. Fatal in contact with skin. Causes damage to organs. Causes damage to organs through prolonged or repeated exposure. Toxic to aquatic life w
Solubility Information	Solubility in water: soluble.
Packaging	Plastic bottle
Flash Point	>95°C
Health Hazard 1	GHS Signal Word: Danger
Refractive Index	1.3780 to 1.3840 (20°C, 589nm)
Synonym	tetramethylammonium hydroxide,tmah,hydroxyde de tetramethylammonium,nmw-w,nmd 3,tetramethyl ammonium hydroxide,unii-5gkp7317q2,ammonium, tetramethyl-, hydroxide,methanaminium, n,n,n-trimethyl-, hydroxide,tetramethylammoniumhydroxide
TSCA	TSCA
IUPAC Name	tetramethylazanium;hydroxide
Beilstein	04,5
Molecular Formula	C₄H₁₃NO
EINECS Number	200-882-9
Specific Gravity	1.014

LiChropur™ Tetraheptylammonium bromide , ≥99.0% (AT), MilliporeSigma™ Supelco™

MDL Number: MFCD00011861

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Specifications

MDL Number	MFCD00011861

Tetramethylammonium fluoride tetrahydrate, 98%

CAS: 17787-40-5 Molecular Formula: C₄H₁₂FN·₄H₂O Molecular Weight (g/mol): 165.21 MDL Number: MFCD00149968 InChI Key: HQFTZNVQVRRDLN-UHFFFAOYSA-M Synonym: tetramethylammonium fluoride tetrahydrate,tetramethylazanium fluoride tetrahydrate,methanaminium, n,n,n-trimethyl-, fluoride, tetrahydrate,tetramethylammonium tetrahydrate fluoride,tetramethylammonium ion tetrahydrate fluoride,acmc-1c8r1,tetramethylammoniumfluoridetetrahydrate,methanaminium,n,n,n-trimethyl-,fluoride,tetrahydrate 9ci,tetramethylamine, fluoride, hydrate, hydrate, hydrate, hydrate,methanaminium,n,n,n-trimethyl-, fluoride, tetrahydrate 9ci PubChem CID: 2723808 IUPAC Name: tetramethylazanium;fluoride;tetrahydrate SMILES: C[N+](C)(C)C.O.O.O.O.[F-]

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Specifications

PubChem CID	2723808
CAS	17787-40-5
Molecular Weight (g/mol)	165.21
MDL Number	MFCD00149968
SMILES	C[N+](C)(C)C.O.O.O.O.[F-]
Synonym	tetramethylammonium fluoride tetrahydrate,tetramethylazanium fluoride tetrahydrate,methanaminium, n,n,n-trimethyl-, fluoride, tetrahydrate,tetramethylammonium tetrahydrate fluoride,tetramethylammonium ion tetrahydrate fluoride,acmc-1c8r1,tetramethylammoniumfluoridetetrahydrate,methanaminium,n,n,n-trimethyl-,fluoride,tetrahydrate 9ci,tetramethylamine, fluoride, hydrate, hydrate, hydrate, hydrate,methanaminium,n,n,n-trimethyl-, fluoride, tetrahydrate 9ci
IUPAC Name	tetramethylazanium;fluoride;tetrahydrate
InChI Key	HQFTZNVQVRRDLN-UHFFFAOYSA-M
Molecular Formula	C₄H₁₂FN·₄H₂O

Tetraethylammonium chloride, For electrochemical analysis, ≥99.0%, MilliporeSigma™ Supelco™

MDL Number: MFCD00011828 Synonym: TEA chloride

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Specifications

MDL Number	MFCD00011828
Synonym	TEA chloride

Tetra-n-propylammonium bromide, 98%

CAS: 1941-30-6 Molecular Formula: C12H28BrN Molecular Weight (g/mol): 266.267 MDL Number: MFCD00011840 InChI Key: BGQMOFGZRJUORO-UHFFFAOYSA-M Synonym: tetrapropylammonium bromide,tetra-n-propylammonium bromide,1-propanaminium, n,n,n-tripropyl-, bromide,tetrapropylazanium bromide,tpabr,n,n,n-tripropyl-1-propanaminium bromide,n,n,n-tripropylpropan-1-aminium bromide,tetrapropylammonium bromide tpabr,1-propanaminium, n,n,n-tripropyl-, bromide 1:1,tetra propyl ammonium bromide PubChem CID: 74745 ChEBI: CHEBI:55318 IUPAC Name: tetrapropylazanium;bromide SMILES: CCC[N+](CCC)(CCC)CCC.[Br-]

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Specifications

PubChem CID	74745
CAS	1941-30-6
Molecular Weight (g/mol)	266.267
ChEBI	CHEBI:55318
MDL Number	MFCD00011840
SMILES	CCC[N+](CCC)(CCC)CCC.[Br-]
Synonym	tetrapropylammonium bromide,tetra-n-propylammonium bromide,1-propanaminium, n,n,n-tripropyl-, bromide,tetrapropylazanium bromide,tpabr,n,n,n-tripropyl-1-propanaminium bromide,n,n,n-tripropylpropan-1-aminium bromide,tetrapropylammonium bromide tpabr,1-propanaminium, n,n,n-tripropyl-, bromide 1:1,tetra propyl ammonium bromide
IUPAC Name	tetrapropylazanium;bromide
InChI Key	BGQMOFGZRJUORO-UHFFFAOYSA-M
Molecular Formula	C12H28BrN

Tetrabutylammonium bromide, For ion pair chromatography, ≥99.0%, MilliporeSigma™ Supelco™

MDL Number: MFCD00011633

Pricing and Availability
Specifications

MDL Number	MFCD00011633

Tetramethylammonium tetrafluoroborate, 97%

CAS: 661-36-9 Molecular Formula: C4H12BF4N Molecular Weight (g/mol): 160.95 MDL Number: MFCD00011745 InChI Key: XWFABLFRYCHILB-UHFFFAOYSA-N Synonym: tetramethylammonium tetrafluoroborate,tetramethylammonium fluoroborate,borate 1-, tetrafluoro-, tetramethylammonium salt,tetramethylazanium tetrafluoroborate,n,n,n-trimethylmethanaminium tetrafluoroborate 1-,tetramethylammonium ion tetrafluoroborate,ammonium, tetramethyl-, tetrafluoroborate 1-,acmc-209ntt,methanaminium, n,n,n-trimethyl-, tetrafluoroborate 1-,tetramethyl ammonium tetrafluoroborate PubChem CID: 12621 IUPAC Name: tetramethylazanium;tetrafluoroborate SMILES: C[N+](C)(C)C.F[B-](F)(F)F

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Specifications

PubChem CID	12621
CAS	661-36-9
Molecular Weight (g/mol)	160.95
MDL Number	MFCD00011745
SMILES	C[N+](C)(C)C.F[B-](F)(F)F
Synonym	tetramethylammonium tetrafluoroborate,tetramethylammonium fluoroborate,borate 1-, tetrafluoro-, tetramethylammonium salt,tetramethylazanium tetrafluoroborate,n,n,n-trimethylmethanaminium tetrafluoroborate 1-,tetramethylammonium ion tetrafluoroborate,ammonium, tetramethyl-, tetrafluoroborate 1-,acmc-209ntt,methanaminium, n,n,n-trimethyl-, tetrafluoroborate 1-,tetramethyl ammonium tetrafluoroborate
IUPAC Name	tetramethylazanium;tetrafluoroborate
InChI Key	XWFABLFRYCHILB-UHFFFAOYSA-N
Molecular Formula	C4H12BF4N

Tetrabutylammonium chloride, 95%, Tech., contains also bromide

CAS: 1112-67-0 Molecular Formula: C₁₆H₃₆ClN Molecular Weight (g/mol): 277.92 MDL Number: MFCD00011635 InChI Key: NHGXDBSUJJNIRV-UHFFFAOYSA-M Synonym: tetrabutylammonium chloride,tetrabutyl ammonium chloride,tetra-n-butylammonium chloride,tbac,tetrabutylazanium chloride,1-butanaminium, n,n,n-tributyl-, chloride,tetrabutylammoniumchloride,1-butanaminium, n,n,n-tributyl-, chloride 1:1,n,n,n-tributyl-1-butanaminium chloride,n,n,n-tributylbutan-1-aminium chloride PubChem CID: 70681 ChEBI: CHEBI:51988 IUPAC Name: tetrabutylazanium;chloride SMILES: CCCC[N+](CCCC)(CCCC)CCCC.[Cl-]

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Specifications

PubChem CID	70681
CAS	1112-67-0
Molecular Weight (g/mol)	277.92
ChEBI	CHEBI:51988
MDL Number	MFCD00011635
SMILES	CCCC[N+](CCCC)(CCCC)CCCC.[Cl-]
Synonym	tetrabutylammonium chloride,tetrabutyl ammonium chloride,tetra-n-butylammonium chloride,tbac,tetrabutylazanium chloride,1-butanaminium, n,n,n-tributyl-, chloride,tetrabutylammoniumchloride,1-butanaminium, n,n,n-tributyl-, chloride 1:1,n,n,n-tributyl-1-butanaminium chloride,n,n,n-tributylbutan-1-aminium chloride
IUPAC Name	tetrabutylazanium;chloride
InChI Key	NHGXDBSUJJNIRV-UHFFFAOYSA-M
Molecular Formula	C₁₆H₃₆ClN

Tetrabutylammonium tetrafluoroborate, 98%

Pricing and Availability
Specifications

PubChem CID	67932
CAS	429-42-5
Molecular Weight (g/mol)	329.27
MDL Number	MFCD00011634
SMILES	F[B-](F)(F)F.CCCC[N+](CCCC)(CCCC)CCCC
Synonym	tetrabutylammonium tetrafluoroborate,tetra-n-butylammonium tetrafluoroborate,tetrabutylammonium fluoroborate,1-butanaminium, n,n,n-tributyl-, tetrafluoroborate 1-,tetrabutyl ammonium tetrafluoroborate,tetrabutylammonium ion tetrafluoroborate,1-butanaminium, n,n,n-tributyl-, tetrafluoroborate 1-1:1,tbabf4,acmc-209jry,tbabf4;
IUPAC Name	tetrabutylazanium;tetrafluoroborate
InChI Key	NNZZSJSQYOFZAM-UHFFFAOYSA-N
Molecular Formula	C16H36BF4N

Tetra-n-hexylammonium bromide, 98%

CAS: 4328-13-6 Molecular Formula: C24H52BrN Molecular Weight (g/mol): 434.59 MDL Number: MFCD00011858 InChI Key: SYZCZDCAEVUSPM-UHFFFAOYSA-M Synonym: tetrahexylammonium bromide,tetrahexylazanium bromide,tetra-n-hexylammonium bromide,1-hexanaminium, n,n,n-trihexyl-, bromide,1-hexanaminium, n,n,n-trihexyl-, bromide 1:1,n,n,n-trihexylhexan-1-aminiumbromide,acmc-209jtn,tetra-n-hexylammonium bromide 10g,1-hexanaminium,n,n,n-trihexyl-, bromide 1:1 PubChem CID: 78026 IUPAC Name: tetrahexylazanium;bromide SMILES: [Br-].CCCCCC[N+](CCCCCC)(CCCCCC)CCCCCC

Pricing and Availability
Specifications

PubChem CID	78026
CAS	4328-13-6
Molecular Weight (g/mol)	434.59
MDL Number	MFCD00011858
SMILES	[Br-].CCCCCC[N+](CCCCCC)(CCCCCC)CCCCCC
Synonym	tetrahexylammonium bromide,tetrahexylazanium bromide,tetra-n-hexylammonium bromide,1-hexanaminium, n,n,n-trihexyl-, bromide,1-hexanaminium, n,n,n-trihexyl-, bromide 1:1,n,n,n-trihexylhexan-1-aminiumbromide,acmc-209jtn,tetra-n-hexylammonium bromide 10g,1-hexanaminium,n,n,n-trihexyl-, bromide 1:1
IUPAC Name	tetrahexylazanium;bromide
InChI Key	SYZCZDCAEVUSPM-UHFFFAOYSA-M
Molecular Formula	C24H52BrN

Quaternary ammonium salts

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