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

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

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-]

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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

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

Carbachol, 98.3%

CAS: 51-83-2 Molecular Formula: C6H15ClN2O2 Molecular Weight (g/mol): 182.65 MDL Number: MFCD00012011 InChI Key: AIXAANGOTKPUOY-UHFFFAOYSA-N Synonym: carbachol,carbamoylcholine chloride,carbachol chloride,carbacholine,carbocholine,jestryl,doryl,carbamylcholine chloride,miostat,isopto carbachol PubChem CID: 5831 ChEBI: CHEBI:3385 IUPAC Name: 2-(trimethylazaniumyl)ethyl carbamate chloride SMILES: [Cl-].C[N+](C)(C)CCOC(N)=O

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Specifications

PubChem CID	5831
CAS	51-83-2
Molecular Weight (g/mol)	182.65
ChEBI	CHEBI:3385
MDL Number	MFCD00012011
SMILES	[Cl-].C[N+](C)(C)CCOC(N)=O
Synonym	carbachol,carbamoylcholine chloride,carbachol chloride,carbacholine,carbocholine,jestryl,doryl,carbamylcholine chloride,miostat,isopto carbachol
IUPAC Name	2-(trimethylazaniumyl)ethyl carbamate chloride
InChI Key	AIXAANGOTKPUOY-UHFFFAOYSA-N
Molecular Formula	C6H15ClN2O2

Tetra-n-dodecylammonium iodide, 98%

CAS: 40797-39-5 Molecular Formula: C48H100IN Molecular Weight (g/mol): 818.24 MDL Number: MFCD00051856 InChI Key: OBMLOTDECOTAGU-UHFFFAOYSA-M Synonym: tetradodecylazanium iodide,tetra-n-dodecylammonium iodide,tetradodecylammonium iodide,tetradodecylazanium,iodide PubChem CID: 3084801 SMILES: [I-].CCCCCCCCCCCC[N+](CCCCCCCCCCCC)(CCCCCCCCCCCC)CCCCCCCCCCCC

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Specifications

PubChem CID	3084801
CAS	40797-39-5
Molecular Weight (g/mol)	818.24
MDL Number	MFCD00051856
SMILES	[I-].CCCCCCCCCCCC[N+](CCCCCCCCCCCC)(CCCCCCCCCCCC)CCCCCCCCCCCC
Synonym	tetradodecylazanium iodide,tetra-n-dodecylammonium iodide,tetradodecylammonium iodide,tetradodecylazanium,iodide
InChI Key	OBMLOTDECOTAGU-UHFFFAOYSA-M
Molecular Formula	C48H100IN

Tetra-n-butylammonium hydroxide, 1.0M in methanol

CAS: 2052-49-5 Molecular Formula: C16H37NO Molecular Weight (g/mol): 259.48 MDL Number: MFCD00009425 InChI Key: VDZOOKBUILJEDG-UHFFFAOYSA-M 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 PubChem CID: 2723671 SMILES: [OH-].CCCC[N+](CCCC)(CCCC)CCCC

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Specifications

PubChem CID	2723671
CAS	2052-49-5
Molecular Weight (g/mol)	259.48
MDL Number	MFCD00009425
SMILES	[OH-].CCCC[N+](CCCC)(CCCC)CCCC
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
InChI Key	VDZOOKBUILJEDG-UHFFFAOYSA-M
Molecular Formula	C16H37NO

(1-Hexyl)trimethylammonium bromide, 98%

CAS: 2650-53-5 Molecular Formula: C9H22BrN Molecular Weight (g/mol): 224.186 MDL Number: MFCD00051872 InChI Key: JYVPKRHOTGQJSE-UHFFFAOYSA-M Synonym: hexyltrimethylammonium bromide,hexyltrimethylazanium bromide,acmc-209grw,hexyltrimethylammoniumbromide,n-hexyltrimethylammonium bromide,n,n,n,n-hexyltrimethylammonium bromide,1-hexanaminium,n,n-trimethyl-, bromide,1-hexyl trimethylammonium bromide,1-hexanaminium,n,n,n-trimethyl-, bromide 1:1 PubChem CID: 10059492 IUPAC Name: hexyl(trimethyl)azanium;bromide SMILES: CCCCCC[N+](C)(C)C.[Br-]

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Specifications

PubChem CID	10059492
CAS	2650-53-5
Molecular Weight (g/mol)	224.186
MDL Number	MFCD00051872
SMILES	CCCCCC[N+](C)(C)C.[Br-]
Synonym	hexyltrimethylammonium bromide,hexyltrimethylazanium bromide,acmc-209grw,hexyltrimethylammoniumbromide,n-hexyltrimethylammonium bromide,n,n,n,n-hexyltrimethylammonium bromide,1-hexanaminium,n,n-trimethyl-, bromide,1-hexyl trimethylammonium bromide,1-hexanaminium,n,n,n-trimethyl-, bromide 1:1
IUPAC Name	hexyl(trimethyl)azanium;bromide
InChI Key	JYVPKRHOTGQJSE-UHFFFAOYSA-M
Molecular Formula	C9H22BrN

Tetramethylammonium hydroxide, 25% w/w aq. soln., Thermo Scientific Chemicals

CAS: 75-59-2 Molecular Formula: C4H13NO MDL Number: MFCD00008280 InChI Key: WGTYBPLFGIVFAS-UHFFFAOYSA-M 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 PubChem CID: 60966

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Specifications

PubChem CID	60966
CAS	75-59-2
MDL Number	MFCD00008280
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
InChI Key	WGTYBPLFGIVFAS-UHFFFAOYSA-M
Molecular Formula	C4H13NO

Tetramethylammonium hydroxide pentahydrate, 98%

CAS: 10424-65-4 Molecular Formula: C4H23NO6 Molecular Weight (g/mol): 181.23 MDL Number: MFCD00149566 InChI Key: MYXKPFMQWULLOH-UHFFFAOYSA-M Synonym: tetramethylammonium hydroxide pentahydrate,b2hkt2lckq,unii-b2hkt2lckq,methanaminium, n,n,n-trimethyl-, hydroxide, pentahydrate,tmaoh,tetramethylammoniumhydroxid,tetrametanoamonio hydroxido,tetrametiloamonio hydroxido,methanaminium, n,n,n-trimethyl-, hydroxide, hydrate 1:1:5,acmc-2098bm PubChem CID: 82620 IUPAC Name: tetramethylazanium;hydroxide;pentahydrate SMILES: O.O.O.O.O.[OH-].C[N+](C)(C)C

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Specifications

PubChem CID	82620
CAS	10424-65-4
Molecular Weight (g/mol)	181.23
MDL Number	MFCD00149566
SMILES	O.O.O.O.O.[OH-].C[N+](C)(C)C
Synonym	tetramethylammonium hydroxide pentahydrate,b2hkt2lckq,unii-b2hkt2lckq,methanaminium, n,n,n-trimethyl-, hydroxide, pentahydrate,tmaoh,tetramethylammoniumhydroxid,tetrametanoamonio hydroxido,tetrametiloamonio hydroxido,methanaminium, n,n,n-trimethyl-, hydroxide, hydrate 1:1:5,acmc-2098bm
IUPAC Name	tetramethylazanium;hydroxide;pentahydrate
InChI Key	MYXKPFMQWULLOH-UHFFFAOYSA-M
Molecular Formula	C4H23NO6

(1-Tetradecyl)trimethylammonium bromide, 98%

CAS: 1119-97-7 Molecular Formula: C17H38BrN Molecular Weight (g/mol): 336.40 MDL Number: MFCD00011770 InChI Key: CXRFDZFCGOPDTD-UHFFFAOYSA-M Synonym: cetrimide,tetradecyltrimethylammonium bromide,myristyltrimethylammonium bromide,tetradonium bromide,n,n,n-trimethyltetradecan-1-aminium bromide,tetradecyl trimethyl ammonium bromide,myrtrimonium bromide,mytab,mitmab,morpan t PubChem CID: 14250 ChEBI: CHEBI:3565 IUPAC Name: trimethyl(tetradecyl)azanium;bromide SMILES: [Br-].CCCCCCCCCCCCCC[N+](C)(C)C

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Specifications

PubChem CID	14250
CAS	1119-97-7
Molecular Weight (g/mol)	336.40
ChEBI	CHEBI:3565
MDL Number	MFCD00011770
SMILES	[Br-].CCCCCCCCCCCCCC[N+](C)(C)C
Synonym	cetrimide,tetradecyltrimethylammonium bromide,myristyltrimethylammonium bromide,tetradonium bromide,n,n,n-trimethyltetradecan-1-aminium bromide,tetradecyl trimethyl ammonium bromide,myrtrimonium bromide,mytab,mitmab,morpan t
IUPAC Name	trimethyl(tetradecyl)azanium;bromide
InChI Key	CXRFDZFCGOPDTD-UHFFFAOYSA-M
Molecular Formula	C17H38BrN

Trimethyl-1-octylammonium bromide, 97%

CAS: 2083-68-3 Molecular Formula: C11H26BrN Molecular Weight (g/mol): 252.24 MDL Number: MFCD00051873 InChI Key: XCOHAFVJQZPUKF-UHFFFAOYSA-M Synonym: n-octyltrimethylammonium bromide,octalone,octyltrimethylammonium bromide,n,n,n-trimethyloctan-1-aminium bromide,1-octanaminium, n,n,n-trimethyl-, bromide,n,n,n-trimethyl-1-octanaminium bromide,trimethyloctylammonium bromide 6ci,7ci,n-octyltrimethylammoniumbromide,trimethyloctylamine, bromide,trimethyl octyl azanium bromide PubChem CID: 74964 ChEBI: CHEBI:346954 IUPAC Name: trimethyl(octyl)azanium;bromide SMILES: CCCCCCCC[N+](C)(C)C.[Br-]

Pricing and Availability
Specifications

PubChem CID	74964
CAS	2083-68-3
Molecular Weight (g/mol)	252.24
ChEBI	CHEBI:346954
MDL Number	MFCD00051873
SMILES	CCCCCCCC[N+](C)(C)C.[Br-]
Synonym	n-octyltrimethylammonium bromide,octalone,octyltrimethylammonium bromide,n,n,n-trimethyloctan-1-aminium bromide,1-octanaminium, n,n,n-trimethyl-, bromide,n,n,n-trimethyl-1-octanaminium bromide,trimethyloctylammonium bromide 6ci,7ci,n-octyltrimethylammoniumbromide,trimethyloctylamine, bromide,trimethyl octyl azanium bromide
IUPAC Name	trimethyl(octyl)azanium;bromide
InChI Key	XCOHAFVJQZPUKF-UHFFFAOYSA-M
Molecular Formula	C11H26BrN

Benzyldimethyl-n-tetradecylammonium chloride hydrate, 98%, Thermo Scientific Chemicals

CAS: 139-08-2 Molecular Formula: C23H42ClN Molecular Weight (g/mol): 368.05 MDL Number: MFCD00011771 InChI Key: OCBHHZMJRVXXQK-UHFFFAOYSA-M Synonym: miristalkonium chloride,n-benzyl-n,n-dimethyltetradecan-1-aminium chloride,zephiramine,benzyldimethyltetradecylammonium chloride,tetradecyldimethylbenzylammonium chloride,myristalkonium chloride,dibactol,faringets,quaternario 14b,sanibond 200lg PubChem CID: 8755 SMILES: [Cl-].CCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1

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Specifications

PubChem CID	8755
CAS	139-08-2
Molecular Weight (g/mol)	368.05
MDL Number	MFCD00011771
SMILES	[Cl-].CCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1
Synonym	miristalkonium chloride,n-benzyl-n,n-dimethyltetradecan-1-aminium chloride,zephiramine,benzyldimethyltetradecylammonium chloride,tetradecyldimethylbenzylammonium chloride,myristalkonium chloride,dibactol,faringets,quaternario 14b,sanibond 200lg
InChI Key	OCBHHZMJRVXXQK-UHFFFAOYSA-M
Molecular Formula	C23H42ClN

N-Dodecyl-N,N-dimethyl-3-ammonio-1-propanesulfonate

CAS: 14933-08-5 Molecular Formula: C17H37NO3S Molecular Weight (g/mol): 335.547 MDL Number: MFCD00036909 InChI Key: IZWSFJTYBVKZNK-UHFFFAOYSA-N Synonym: lauryl sultaine,lauryl sulfobetaine,n-dodecyl-n,n-dimethyl-3-ammonio-1-propanesulfonate,3-dodecyldimethylammonio propane-1-sulfonate,zwittergent 3-12,3-dodecyldimethylammonio propanesulfonate,sulfobetaine 12,unii-r6p3kw3e8u,3-lauryldimethylammonio propanesulfonate,dodecyldimethyl 3-sulphonatopropyl ammonium PubChem CID: 84703 ChEBI: CHEBI:75303 IUPAC Name: 3-[dodecyl(dimethyl)azaniumyl]propane-1-sulfonate SMILES: CCCCCCCCCCCC[N+](C)(C)CCCS(=O)(=O)[O-]

Pricing and Availability
Specifications

PubChem CID	84703
CAS	14933-08-5
Molecular Weight (g/mol)	335.547
ChEBI	CHEBI:75303
MDL Number	MFCD00036909
SMILES	CCCCCCCCCCCC[N+](C)(C)CCCS(=O)(=O)[O-]
Synonym	lauryl sultaine,lauryl sulfobetaine,n-dodecyl-n,n-dimethyl-3-ammonio-1-propanesulfonate,3-dodecyldimethylammonio propane-1-sulfonate,zwittergent 3-12,3-dodecyldimethylammonio propanesulfonate,sulfobetaine 12,unii-r6p3kw3e8u,3-lauryldimethylammonio propanesulfonate,dodecyldimethyl 3-sulphonatopropyl ammonium
IUPAC Name	3-[dodecyl(dimethyl)azaniumyl]propane-1-sulfonate
InChI Key	IZWSFJTYBVKZNK-UHFFFAOYSA-N
Molecular Formula	C17H37NO3S

Acetylcholine chloride, 98+%

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

Quaternary ammonium salts

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