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.

1 – 15 of 137 results

Tetramethylammonium Hydroxide, 10% in Water

CAS: 75-59-2 | C₄H₁₃NO | 91.15 g/mol

Pricing and Availability
Specifications

Linear Formula	(CH₃)₄NOH
Molecular Weight (g/mol)	91.15
InChI Key	WGTYBPLFGIVFAS-UHFFFAOYSA-M
Density	1.0000g/mL
PubChem CID	60966
Name Note	10% in Water
Percent Purity	9.5 to 10.5%
Fieser	11,514
RTECS Number	PA0875000
Formula Weight	91.15
Boiling Point	100.0°C
Color	Colorless
Physical Form	Liquid
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 Do not breathe dust/fume/gas/mist/vapors/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediat
MDL Number	MFCD00008280
Health Hazard 2	GHS H Statement Harmful if swallowed. Toxic in contact with skin. Causes severe skin burns and eye damage.
Solubility Information	Solubility in water: soluble.
Packaging	Plastic bottle
Health Hazard 1	GHS Signal Word: Danger
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, 50
Molecular Formula	C₄H₁₃NO
EINECS Number	200-882-9
Specific Gravity	1

Tetrabutylammonium hydroxide, 40 wt.% (1.5M) solution in water

CAS: 2052-49-5 | C16H37NO | 259.48 g/mol

Pricing and Availability
Specifications

Linear Formula	[CH₃(CH₂)₃]₄NOH
Molecular Weight (g/mol)	259.48
InChI Key	VDZOOKBUILJEDG-UHFFFAOYSA-M
Density	0.9950g/mL
PubChem CID	2723671
Name Note	40 wt.% Solution in Water
Percent Purity	38 to 42% (Total base)
Fieser	05,645; 11,500
Formula Weight	259.46
Boiling Point	>100.0°C
Color	White to Yellow
Physical Form	Crystals or Powder
Chemical Name or Material	Tetrabutylammonium hydroxide
SMILES	[OH-].CCCC[N+](CCCC)(CCCC)CCCC
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. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with wat
MDL Number	MFCD00009425
Health Hazard 2	GHS H Statement Causes severe skin burns and eye damage. Harmful if swallowed.
Solubility Information	Solubility in water: soluble.
Packaging	Plastic bottle
Health Hazard 1	GHS Signal Word: Danger
Synonym	tetrabutylammonium hydroxide,tetra-n-butylammonium hydroxide,tetrabutylazanium hydroxide,tetrabutylammoniumhydroxide,1-butanaminium, n,n,n-tributyl-, hydroxide,ammonium, tetrabutyl-, hydroxide,n,n,n-tributyl-1-butanaminium hydroxide,tetra n-butyl ammonium hydroxide,tetra-n-butyl ammonium hydroxide,1-butanaminium, n,n,n-tributyl-, hydroxide 1:1
IUPAC Name	tetrabutylazanium;hydroxide
Beilstein	04, II, 634
Molecular Formula	C16H37NO
EINECS Number	218-147-6
Specific Gravity	0.995

Tetramethylammonium hydroxide, 25% in water

CAS: 75-59-2 | C₄H₁₃NO | 91.15 g/mol

Pricing and Availability
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

Tetraethylammonium hydroxide, 20 wt.% in water

CAS: 77-98-5 | C8H21NO | 147.26 g/mol

Pricing and Availability
Specifications

Linear Formula	(C₂H₅)₄NOH
Molecular Weight (g/mol)	147.26
InChI Key	LRGJRHZIDJQFCL-UHFFFAOYSA-M
Density	1.0200g/mL
PubChem CID	6509
Name Note	20 wt.% in Water
Percent Purity	≥20%
RTECS Number	KH3150000
Formula Weight	147.26
Boiling Point	102.0°C
Color	Colorless to Yellow
Physical Form	Liquid
Chemical Name or Material	Tetraethylammonium hydroxide
SMILES	[OH-].CC[N+](CC)(CC)CC
Merck Index	15, 9346
CAS	7732-18-5
Health Hazard 3	GHS P Statement IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,if pre
MDL Number	MFCD00009024
Health Hazard 2	GHS H Statement May be corrosive to metals. Causes severe skin burns and eye damage. Toxic if swallowed. Causes damage to organs if swallowed. Causes damage to organs through prolonged or repeated exposure in contact with s
Solubility Information	Solubility in water: soluble.
Packaging	Plastic bottle
Health Hazard 1	GHS Signal Word: Danger
Refractive Index	1.402
Synonym	tetraethylammonium hydroxide,tetraethyl ammonium hydroxide,unii-ra8vu41b1f,ammonium, tetraethyl-, hydroxide,tetraethylazanium hydroxide,ethanaminium, n,n,n-triethyl-, hydroxide,ra8vu41b1f,ethanaminium, n,n,n-triethyl-, hydroxide 1:1,tetraethylammonium hydroxide solution in water,n,n,n-triethylethanaminium
TSCA	TSCA
IUPAC Name	tetraethylazanium;hydroxide
Molecular Formula	C8H21NO
EINECS Number	201-073-3
Specific Gravity	1.02

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

Pricing and Availability
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

Acetylcholine Chloride, 99%

CAS: 60-31-1 Molecular Formula: C₇H₁₆ClNO₂ Molecular Weight (g/mol): 181.66 MDL Number: MFCD00011698 InChI Key: JUGOREOARAHOCO-UHFFFAOYSA-M Synonym: acetylcholine chloride,miochol,acecoline,chloroacetylcholine,arterocoline,acecholin,ovisot,ach chloride,azetylcholinchlorid,2-acetyloxy-n,n,n-trimethylethanaminium chloride PubChem CID: 6060 ChEBI: CHEBI:2417 IUPAC Name: 2-acetyloxyethyl(trimethyl)azanium;chloride SMILES: CC(=O)OCC[N+](C)(C)C.[Cl-]

Pricing and Availability
Specifications

PubChem CID	6060
CAS	60-31-1
Molecular Weight (g/mol)	181.66
ChEBI	CHEBI:2417
MDL Number	MFCD00011698
SMILES	CC(=O)OCC[N+](C)(C)C.[Cl-]
Synonym	acetylcholine chloride,miochol,acecoline,chloroacetylcholine,arterocoline,acecholin,ovisot,ach chloride,azetylcholinchlorid,2-acetyloxy-n,n,n-trimethylethanaminium chloride
IUPAC Name	2-acetyloxyethyl(trimethyl)azanium;chloride
InChI Key	JUGOREOARAHOCO-UHFFFAOYSA-M
Molecular Formula	C₇H₁₆ClNO₂

Tetrabutylammonium bromide, 99+%

CAS: 1643-19-2 Molecular Formula: C₁₆H₃₆BrN Molecular Weight (g/mol): 322.36 MDL Number: MFCD00011633 InChI Key: JRMUNVKIHCOMHV-UHFFFAOYSA-M Synonym: tetrabutylammonium bromide,tetra-n-butylammonium bromide,tbab,tetrabutylazanium bromide,tetrabutyl ammonium bromide,tetrabutyl-ammonium bromide,aliquat 100,tbabr,ipc-tba-br,unii-vjz168i98r PubChem CID: 74236 ChEBI: CHEBI:51993 IUPAC Name: tetrabutylazanium;bromide SMILES: CCCC[N+](CCCC)(CCCC)CCCC.[Br-]

Pricing and Availability
Specifications

PubChem CID	74236
CAS	1643-19-2
Molecular Weight (g/mol)	322.36
ChEBI	CHEBI:51993
MDL Number	MFCD00011633
SMILES	CCCC[N+](CCCC)(CCCC)CCCC.[Br-]
Synonym	tetrabutylammonium bromide,tetra-n-butylammonium bromide,tbab,tetrabutylazanium bromide,tetrabutyl ammonium bromide,tetrabutyl-ammonium bromide,aliquat 100,tbabr,ipc-tba-br,unii-vjz168i98r
IUPAC Name	tetrabutylazanium;bromide
InChI Key	JRMUNVKIHCOMHV-UHFFFAOYSA-M
Molecular Formula	C₁₆H₃₆BrN

Tetrabutylammonium iodide, 98%

CAS: 311-28-4 Molecular Formula: C16H36IN Molecular Weight (g/mol): 369.38 MDL Number: MFCD00011636 InChI Key: DPKBAXPHAYBPRL-UHFFFAOYSA-M Synonym: tetrabutylammonium iodide,tetra-n-butylammonium iodide,tbai,tetrabutylazanium iodide,tetra-n-butylammoniumjodid,tetrabutyl ammonium iodide,1-butanaminium, n,n,n-tributyl-, iodide,n,n,n-tributyl-1-butanaminium iodide,tetra-n-butylammoniumjodid czech,tetrabutylammonium ion iodide PubChem CID: 67553 IUPAC Name: tetrabutylazanium;iodide SMILES: [I-].CCCC[N+](CCCC)(CCCC)CCCC

Pricing and Availability
Specifications

PubChem CID	67553
CAS	311-28-4
Molecular Weight (g/mol)	369.38
MDL Number	MFCD00011636
SMILES	[I-].CCCC[N+](CCCC)(CCCC)CCCC
Synonym	tetrabutylammonium iodide,tetra-n-butylammonium iodide,tbai,tetrabutylazanium iodide,tetra-n-butylammoniumjodid,tetrabutyl ammonium iodide,1-butanaminium, n,n,n-tributyl-, iodide,n,n,n-tributyl-1-butanaminium iodide,tetra-n-butylammoniumjodid czech,tetrabutylammonium ion iodide
IUPAC Name	tetrabutylazanium;iodide
InChI Key	DPKBAXPHAYBPRL-UHFFFAOYSA-M
Molecular Formula	C16H36IN

Tetrabutylammonium phosphate monobasic, 99%, HPLC grade

CAS: 5574-97-0 Molecular Formula: C16H38NO4P Molecular Weight (g/mol): 339.46 MDL Number: MFCD00064526 InChI Key: ARRNBPCNZJXHRJ-UHFFFAOYSA-M Synonym: tetrabutylammonium dihydrogen phosphate,tetrabutylammonium phosphate,tetrabutylammonium dihydrogenphosphate,1-butanaminium, n,n,n-tributyl-, phosphate 1:1,tetra-n-butylammonium phosphate,tetrabutylazanium dihydrogen phosphate,dihydrogen phosphate; tetrabutylazanium,dihydrogen phosphate; tetrabutylammonium,tetrabutyl ammonium dihydrogen phosphate,tetrabutylammonium ion dihydrogenphosphate ion PubChem CID: 2735142 IUPAC Name: dihydrogen phosphate;tetrabutylazanium SMILES: OP(O)([O-])=O.CCCC[N+](CCCC)(CCCC)CCCC

Pricing and Availability
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
Synonym	tetrabutylammonium dihydrogen phosphate,tetrabutylammonium phosphate,tetrabutylammonium dihydrogenphosphate,1-butanaminium, n,n,n-tributyl-, phosphate 1:1,tetra-n-butylammonium phosphate,tetrabutylazanium dihydrogen phosphate,dihydrogen phosphate; tetrabutylazanium,dihydrogen phosphate; tetrabutylammonium,tetrabutyl ammonium dihydrogen phosphate,tetrabutylammonium ion dihydrogenphosphate ion
IUPAC Name	dihydrogen phosphate;tetrabutylazanium
InChI Key	ARRNBPCNZJXHRJ-UHFFFAOYSA-M
Molecular Formula	C16H38NO4P

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Choline Chloride, 99%

CAS: 67-48-1 Molecular Formula: C5H14ClNO Molecular Weight (g/mol): 139.62 MDL Number: MFCD00011721 InChI Key: SGMZJAMFUVOLNK-UHFFFAOYSA-M Synonym: choline chloride,hepacholine,biocolina,biocoline,lipotril,paresan,luridin chloride,choline hydrochloride,cholinium chloride,bilineurin chloride PubChem CID: 6209 ChEBI: CHEBI:133341 IUPAC Name: 2-hydroxyethyl(trimethyl)azanium;chloride SMILES: [Cl-].C[N+](C)(C)CCO

Pricing and Availability
Specifications

PubChem CID	6209
CAS	67-48-1
Molecular Weight (g/mol)	139.62
ChEBI	CHEBI:133341
MDL Number	MFCD00011721
SMILES	[Cl-].C[N+](C)(C)CCO
Synonym	choline chloride,hepacholine,biocolina,biocoline,lipotril,paresan,luridin chloride,choline hydrochloride,cholinium chloride,bilineurin chloride
IUPAC Name	2-hydroxyethyl(trimethyl)azanium;chloride
InChI Key	SGMZJAMFUVOLNK-UHFFFAOYSA-M
Molecular Formula	C5H14ClNO

PubChem CID	6209
CAS	67-48-1
Molecular Weight (g/mol)	139.62
ChEBI	CHEBI:133341
MDL Number	MFCD00011721
SMILES	[Cl-].C[N+](C)(C)CCO
Synonym	choline chloride,hepacholine,biocolina,biocoline,lipotril,paresan,luridin chloride,choline hydrochloride,cholinium chloride,bilineurin chloride
IUPAC Name	2-hydroxyethyl(trimethyl)azanium;chloride
InChI Key	SGMZJAMFUVOLNK-UHFFFAOYSA-M
Molecular Formula	C5H14ClNO

L-Carnitine, 98+%

CAS: 541-15-1 Molecular Formula: C7H15NO3 Molecular Weight (g/mol): 161.201 MDL Number: MFCD00038747 InChI Key: PHIQHXFUZVPYII-ZCFIWIBFSA-N Synonym: l-carnitine,levocarnitine,vitamin bt,r-carnitine,carnitor,--carnitine,carnitine,--l-carnitine,karnitin,l---carnitine PubChem CID: 10917 ChEBI: CHEBI:16347 IUPAC Name: (3R)-3-hydroxy-4-(trimethylazaniumyl)butanoate SMILES: C[N+](C)(C)CC(CC(=O)[O-])O

Pricing and Availability
Specifications

PubChem CID	10917
CAS	541-15-1
Molecular Weight (g/mol)	161.201
ChEBI	CHEBI:16347
MDL Number	MFCD00038747
SMILES	C[N+](C)(C)CC(CC(=O)[O-])O
Synonym	l-carnitine,levocarnitine,vitamin bt,r-carnitine,carnitor,--carnitine,carnitine,--l-carnitine,karnitin,l---carnitine
IUPAC Name	(3R)-3-hydroxy-4-(trimethylazaniumyl)butanoate
InChI Key	PHIQHXFUZVPYII-ZCFIWIBFSA-N
Molecular Formula	C7H15NO3

Tetrapropylammonium chloride, 94%

CAS: 5810-42-4 Molecular Formula: C₁₂H₂₈ClN Molecular Weight (g/mol): 221.81 MDL Number: MFCD00038729 InChI Key: FBEVECUEMUUFKM-UHFFFAOYSA-M Synonym: tetrapropylammonium chloride,tetrapropyl ammonium chloride,tetra-n-propylammonium chloride,1-propanaminium, n,n,n-tripropyl-, chloride,1-propanaminium, n,n,n-tripropyl-, chloride 1:1,n,n,n-tripropylpropan-1-aminium chloride,tetrapropylazanium chloride,acmc-209m2k,ksc491c1h,tetra-n-propylammonium chloride 1g PubChem CID: 79880 IUPAC Name: tetrapropylazanium;chloride SMILES: CCC[N+](CCC)(CCC)CCC.[Cl-]

Pricing and Availability
Specifications

PubChem CID	79880
CAS	5810-42-4
Molecular Weight (g/mol)	221.81
MDL Number	MFCD00038729
SMILES	CCC[N+](CCC)(CCC)CCC.[Cl-]
Synonym	tetrapropylammonium chloride,tetrapropyl ammonium chloride,tetra-n-propylammonium chloride,1-propanaminium, n,n,n-tripropyl-, chloride,1-propanaminium, n,n,n-tripropyl-, chloride 1:1,n,n,n-tripropylpropan-1-aminium chloride,tetrapropylazanium chloride,acmc-209m2k,ksc491c1h,tetra-n-propylammonium chloride 1g
IUPAC Name	tetrapropylazanium;chloride
InChI Key	FBEVECUEMUUFKM-UHFFFAOYSA-M
Molecular Formula	C₁₂H₂₈ClN

Tetraheptylammonium bromide, 99%

CAS: 4368-51-8 Molecular Formula: C₂₈H₆₀BrN Molecular Weight (g/mol): 490.69 MDL Number: MFCD00011861 InChI Key: YQIVQBMEBZGFBY-UHFFFAOYSA-M Synonym: tetraheptylammonium bromide,tetra-n-heptylammonium bromide,1-heptanaminium, n,n,n-triheptyl-, bromide,tetraheptylazanium bromide,1-heptanaminium, n,n,n-triheptyl-, bromide 1:1,acmc-209jv6,nhep4 1+ *br 1- PubChem CID: 78073 IUPAC Name: tetraheptylazanium;bromide SMILES: CCCCCCC[N+](CCCCCCC)(CCCCCCC)CCCCCCC.[Br-]

Pricing and Availability
Specifications

PubChem CID	78073
CAS	4368-51-8
Molecular Weight (g/mol)	490.69
MDL Number	MFCD00011861
SMILES	CCCCCCC[N+](CCCCCCC)(CCCCCCC)CCCCCCC.[Br-]
Synonym	tetraheptylammonium bromide,tetra-n-heptylammonium bromide,1-heptanaminium, n,n,n-triheptyl-, bromide,tetraheptylazanium bromide,1-heptanaminium, n,n,n-triheptyl-, bromide 1:1,acmc-209jv6,nhep4 1+ *br 1-
IUPAC Name	tetraheptylazanium;bromide
InChI Key	YQIVQBMEBZGFBY-UHFFFAOYSA-M
Molecular Formula	C₂₈H₆₀BrN

Tetra-n-butylammonium bromide, 98+%

CAS: 1643-19-2 Molecular Formula: C16H36BrN Molecular Weight (g/mol): 322.375 MDL Number: MFCD00011633 InChI Key: JRMUNVKIHCOMHV-UHFFFAOYSA-M Synonym: tetrabutylammonium bromide,tetra-n-butylammonium bromide,tbab,tetrabutylazanium bromide,tetrabutyl ammonium bromide,tetrabutyl-ammonium bromide,aliquat 100,tbabr,ipc-tba-br,unii-vjz168i98r PubChem CID: 74236 ChEBI: CHEBI:51993 IUPAC Name: tetrabutylazanium;bromide SMILES: CCCC[N+](CCCC)(CCCC)CCCC.[Br-]

Pricing and Availability
Specifications

PubChem CID	74236
CAS	1643-19-2
Molecular Weight (g/mol)	322.375
ChEBI	CHEBI:51993
MDL Number	MFCD00011633
SMILES	CCCC[N+](CCCC)(CCCC)CCCC.[Br-]
Synonym	tetrabutylammonium bromide,tetra-n-butylammonium bromide,tbab,tetrabutylazanium bromide,tetrabutyl ammonium bromide,tetrabutyl-ammonium bromide,aliquat 100,tbabr,ipc-tba-br,unii-vjz168i98r
IUPAC Name	tetrabutylazanium;bromide
InChI Key	JRMUNVKIHCOMHV-UHFFFAOYSA-M
Molecular Formula	C16H36BrN

Quaternary ammonium salts

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