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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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

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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

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-]

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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

Tetra-n-butylammonium hexafluorophosphate, 98%

CAS: 3109-63-5 Molecular Formula: C16H36F6NP Molecular Weight (g/mol): 387.44 MDL Number: MFCD00011748 InChI Key: BKBKEFQIOUYLBC-UHFFFAOYSA-N Synonym: tetrabutylammonium hexafluorophosphate,tetra-n-butylammonium hexafluorophosphate,tetrabutylammonium hexafluorophosphate v,1-butanaminium, n,n,n-tributyl-, hexafluorophosphate 1-,1-butanaminium, n,n,n-tributyl-, hexafluorophosphate 1-1:1,acmc-1ahjo,n,n,n-tributyl-1-butanaminium hexafluorophosphate,ksc225q6r,tetrabutylammoniumhexafluorophosphate,tetrabutylazanium hexafluorophosphate PubChem CID: 165075 SMILES: F[P-](F)(F)(F)(F)F.CCCC[N+](CCCC)(CCCC)CCCC

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Specifications

PubChem CID	165075
CAS	3109-63-5
Molecular Weight (g/mol)	387.44
MDL Number	MFCD00011748
SMILES	F[P-](F)(F)(F)(F)F.CCCC[N+](CCCC)(CCCC)CCCC
Synonym	tetrabutylammonium hexafluorophosphate,tetra-n-butylammonium hexafluorophosphate,tetrabutylammonium hexafluorophosphate v,1-butanaminium, n,n,n-tributyl-, hexafluorophosphate 1-,1-butanaminium, n,n,n-tributyl-, hexafluorophosphate 1-1:1,acmc-1ahjo,n,n,n-tributyl-1-butanaminium hexafluorophosphate,ksc225q6r,tetrabutylammoniumhexafluorophosphate,tetrabutylazanium hexafluorophosphate
InChI Key	BKBKEFQIOUYLBC-UHFFFAOYSA-N
Molecular Formula	C16H36F6NP

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

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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
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

Tetraethylammonium bromide, 98%

CAS: 71-91-0 Molecular Formula: C₈H₂₀BrN Molecular Weight (g/mol): 210.16 MDL Number: MFCD00011825 InChI Key: HWCKGOZZJDHMNC-UHFFFAOYSA-M Synonym: tetraethylammonium bromide,teab,tea bromide,tetrylammonium bromide,sympatektoman,tetranium,etylon,bromethyl,beparon,etambro PubChem CID: 6285 IUPAC Name: tetraethylazanium;bromide SMILES: CC[N+](CC)(CC)CC.[Br-]

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Specifications

PubChem CID	6285
CAS	71-91-0
Molecular Weight (g/mol)	210.16
MDL Number	MFCD00011825
SMILES	CC[N+](CC)(CC)CC.[Br-]
Synonym	tetraethylammonium bromide,teab,tea bromide,tetrylammonium bromide,sympatektoman,tetranium,etylon,bromethyl,beparon,etambro
IUPAC Name	tetraethylazanium;bromide
InChI Key	HWCKGOZZJDHMNC-UHFFFAOYSA-M
Molecular Formula	C₈H₂₀BrN

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

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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

Tetraethylammonium chloride

CAS: 56-34-8 Molecular Formula: C8H20ClN Molecular Weight (g/mol): 165.71 MDL Number: MFCD00149992 InChI Key: YMBCJWGVCUEGHA-UHFFFAOYSA-M Synonym: tetraethylammonium chloride,tetraethyl ammonium chloride,etamon chloride,tea chloride,teac,n,n,n-triethylethanaminium chloride,tetraethylammoniumchloride,ethanaminium, n,n,n-triethyl-, chloride,tetraethyl-ammonium chloride,unii-8b82z83xnn PubChem CID: 5946 ChEBI: CHEBI:78161 IUPAC Name: tetraethylazanium;chloride SMILES: [Cl-].CC[N+](CC)(CC)CC

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Specifications

PubChem CID	5946
CAS	56-34-8
Molecular Weight (g/mol)	165.71
ChEBI	CHEBI:78161
MDL Number	MFCD00149992
SMILES	[Cl-].CC[N+](CC)(CC)CC
Synonym	tetraethylammonium chloride,tetraethyl ammonium chloride,etamon chloride,tea chloride,teac,n,n,n-triethylethanaminium chloride,tetraethylammoniumchloride,ethanaminium, n,n,n-triethyl-, chloride,tetraethyl-ammonium chloride,unii-8b82z83xnn
IUPAC Name	tetraethylazanium;chloride
InChI Key	YMBCJWGVCUEGHA-UHFFFAOYSA-M
Molecular Formula	C8H20ClN

Tetraethylammonium tetrafluoroborate, 99%

CAS: 429-06-1 Molecular Formula: C8H20BF4N Molecular Weight (g/mol): 217.06 MDL Number: MFCD00011827 InChI Key: XJRAKUDXACGCHA-UHFFFAOYSA-N Synonym: tetraethylammonium tetrafluoroborate,tetraethylazanium tetrafluoroborate,tetraethylammoniumtetrafluoroborate,acmc-1ago3,ksc238k1t,ethanaminium, n,n,n-triethyl-, tetrafluoroborate 1-,ethanaminium, n,n,n-triethyl-, tetrafluoroborate 1-1:1,tetraethyl ammonium tetrafluoroborate,tetraethylammonium tetra fluoro borate PubChem CID: 2724277 IUPAC Name: tetraethylazanium;tetrafluoroborate SMILES: F[B-](F)(F)F.CC[N+](CC)(CC)CC

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Specifications

PubChem CID	2724277
CAS	429-06-1
Molecular Weight (g/mol)	217.06
MDL Number	MFCD00011827
SMILES	F[B-](F)(F)F.CC[N+](CC)(CC)CC
Synonym	tetraethylammonium tetrafluoroborate,tetraethylazanium tetrafluoroborate,tetraethylammoniumtetrafluoroborate,acmc-1ago3,ksc238k1t,ethanaminium, n,n,n-triethyl-, tetrafluoroborate 1-,ethanaminium, n,n,n-triethyl-, tetrafluoroborate 1-1:1,tetraethyl ammonium tetrafluoroborate,tetraethylammonium tetra fluoro borate
IUPAC Name	tetraethylazanium;tetrafluoroborate
InChI Key	XJRAKUDXACGCHA-UHFFFAOYSA-N
Molecular Formula	C8H20BF4N

Tetrabutylammonium tetrafluoroborate, 98%

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

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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 hydrogensulfate, 99+%, HPLC grade

CAS: 80526-82-5 Molecular Formula: C₄H₁₃NO₄S Molecular Weight (g/mol): 171.21 MDL Number: MFCD00036149 InChI Key: DWTYPCUOWWOADE-UHFFFAOYSA-M Synonym: tetramethylammonium hydrogen sulfate,tetramethylammonium bisulfate,tetramethylammonium hydrogen sulphate,tetramethylammonium hydrogensulfate,hydrogen sulfate; tetramethylazanium,methanaminium, n,n,n-trimethyl-, sulfate 1:1,hydrogen sulfate; tetramethylammonium,acmc-209pjn,ch3 4n hso4 .h2o,tetramethylammonium bisulfate solution PubChem CID: 157340 IUPAC Name: hydrogen sulfate;tetramethylazanium SMILES: C[N+](C)(C)C.OS(=O)(=O)[O-]

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Specifications

PubChem CID	157340
CAS	80526-82-5
Molecular Weight (g/mol)	171.21
MDL Number	MFCD00036149
SMILES	C[N+](C)(C)C.OS(=O)(=O)[O-]
Synonym	tetramethylammonium hydrogen sulfate,tetramethylammonium bisulfate,tetramethylammonium hydrogen sulphate,tetramethylammonium hydrogensulfate,hydrogen sulfate; tetramethylazanium,methanaminium, n,n,n-trimethyl-, sulfate 1:1,hydrogen sulfate; tetramethylammonium,acmc-209pjn,ch3 4n hso4 .h2o,tetramethylammonium bisulfate solution
IUPAC Name	hydrogen sulfate;tetramethylazanium
InChI Key	DWTYPCUOWWOADE-UHFFFAOYSA-M
Molecular Formula	C₄H₁₃NO₄S

L(-)-Carnitine, 99+%

CAS: 541-15-1 Molecular Formula: C₇H₁₅NO₃ Molecular Weight (g/mol): 161.2 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)	161.2
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

Tetrabutylammonium hydrogen sulfate, 99%, extra pure

CAS: 32503-27-8 Molecular Formula: C16H37NO4S Molecular Weight (g/mol): 339.54 MDL Number: MFCD00011637 InChI Key: SHFJWMWCIHQNCP-UHFFFAOYSA-M Synonym: tetrabutylammonium hydrogen sulfate,tetrabutylammonium hydrogensulfate,tetrabutylammonium bisulfate,tetra-n-butylammonium hydrogen sulfate,tbahs,tetrabutylammonium sulfate 1:1,1-butanaminium, n,n,n-tributyl-, sulfate 1:1,tetrabutylammonium hydrogen sulphate,tetrabutylazanium hydrogen sulfate,ipc-tba-hs PubChem CID: 94433 IUPAC Name: hydrogen sulfate;tetrabutylazanium SMILES: OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC

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Specifications

PubChem CID	94433
CAS	32503-27-8
Molecular Weight (g/mol)	339.54
MDL Number	MFCD00011637
SMILES	OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC
Synonym	tetrabutylammonium hydrogen sulfate,tetrabutylammonium hydrogensulfate,tetrabutylammonium bisulfate,tetra-n-butylammonium hydrogen sulfate,tbahs,tetrabutylammonium sulfate 1:1,1-butanaminium, n,n,n-tributyl-, sulfate 1:1,tetrabutylammonium hydrogen sulphate,tetrabutylazanium hydrogen sulfate,ipc-tba-hs
IUPAC Name	hydrogen sulfate;tetrabutylazanium
InChI Key	SHFJWMWCIHQNCP-UHFFFAOYSA-M
Molecular Formula	C16H37NO4S

Tetrabutylammonium hydroxide, 40 wt.% solution in methanol

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	0.9100g/mL
PubChem CID	2723671
Name Note	40 wt.% solution in methanol
Percent Purity	≥40%
Fieser	05,645; 11,500
Formula Weight	259.46
Melting Point	-98.0°C
Boiling Point	65.0°C
Color	Colorless to Yellow
Physical Form	Solution
Chemical Name or Material	Tetrabutylammonium hydroxide
SMILES	[OH-].CCCC[N+](CCCC)(CCCC)CCCC
CAS	67-56-1
Health Hazard 3	GHS P Statement Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove conta
MDL Number	MFCD00009425
Health Hazard 2	GHS H Statement Toxic in contact with skin. Toxic if swallowed. Causes severe skin burns and eye damage. Toxic if inhaled. Causes damage to organs. Highly flammable liquid and vapor.
Solubility Information	Solubility in water: soluble
Packaging	Glass bottle
Flash Point	12°C
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	0.91

Quaternary ammonium salts

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Tetrabutylammonium phosphate monobasic, 99%, HPLC grade Greener Choice ProductThis product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More About the Greener Choice Program

Tetramethylammonium hydrogensulfate, 99+%, HPLC grade Greener Choice ProductThis product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More About the Greener Choice Program

Tetrabutylammonium phosphate monobasic, 99%, HPLC grade

Tetramethylammonium hydrogensulfate, 99+%, HPLC grade