Tetraethylammonium hydroxide supplier

Name
Tetraethylammonium hydroxide
EINECS 201-073-3
CAS No. 77-98-5
Article Data20
CAS DataBase
Density 1.023 g/mL at 25 °C
Solubility soluble in water
Melting Point -98 °C
Formula C₈H₂₁NO
Boiling Point 110 °C
Molecular Weight 147.261
Flash Point 11 °C
Transport Information UN 3286 3/PG 2
Appearance colourless liquid
Safety 7-16-26-36/37/39-45-61
Risk Codes 34-51-39/23/24/25-23/24/25-11
Molecular Structure
Hazard Symbols F, T, N, C
Synonyms Ammonium,tetraethyl-, hydroxide (8CI);Ethanaminium, N,N,N-triethyl-, hydroxide (9CI);Tetraethylammonium hydroxide (6CI);Ethanaminium,N,N,N-triethyl-, hydroxide (1:1);
PSA 23.06000
LogP 1.70600

Synthetic route

: 64-67-5
diethyl sulfate

: 64-17-5
ethanol

: 121-44-8
triethylamine

: 77-98-5
tetraethylammonium hydroxide

Conditions

Conditions	Yield
Stage #1: diethyl sulfate; ethanol; triethylamine In water at 140℃; under 7500.75 Torr; for 4h; Stage #2: With sodium hydroxide In ethanol; water at 45℃; for 4h;	95.7%

...Expand

: 71-91-0
tetraethylammonium bromide

: 77-98-5
tetraethylammonium hydroxide

Conditions

Conditions	Yield
With potassium hydroxide In dichloromethane at 20℃; for 10h;	78%
With potassium hydroxide In ethanol at 20℃; for 10h;
With ion-exchange column Amberlyst A26(OH) In methanol
With Amberlite IRA-400-OH ion-exchange column In methanol

: 56-34-8
tetraethylammonium chloride

: 77-98-5
tetraethylammonium hydroxide

Conditions

Conditions	Yield
With methanol; potassium hydroxide durch Zusatz von Wasser und Konzentration unterhalb 50grad unter vermindertem Druck;
With Anion-exchange resin (201 × 7(OH))
With potassium hydroxide In methanol at 20℃; for 2h;

: 75-03-6
ethyl iodide

: 121-44-8
triethylamine

: 77-98-5
tetraethylammonium hydroxide

Conditions

Conditions	Yield
With water; silver(l) oxide

: 68-05-3
tetraethylammonium iodide

: 77-98-5
tetraethylammonium hydroxide

Conditions

Conditions	Yield
With silver(l) oxide In water

: 105-58-8
Diethyl carbonate

A: 77-98-5
tetraethylammonium hydroxide

B: 17351-61-0
tetraethylammonium bicarbonate

Conditions

Conditions	Yield
With triethylamine In water

: 77-98-5
tetraethylammonium hydroxide

: 529477-58-5
N-(hydroxy)-5-(p-methoxyphenyl)-4-methylthiazole-2(3H)-thione

: N-(hydroxy)-5-(p-methoxyphenyl)-4-(methyl)thiazole-2(3H)-thione tetraethylammonium salt

Conditions

Conditions	Yield
In methanol	100%
In methanol at 20℃;

: 554-95-0
benzene-1,3,5-tricarboxylic acid

: 124-46-9, 20734-13-8, 100224-74-6, 593-85-1
guanidine hydrogen carbonate

: 77-98-5
tetraethylammonium hydroxide

: C9H3O6(3-)*2C8H20N(1+)*CH5N3*H(1+)

Conditions

Conditions	Yield
In water for 0.0833333h; Heating;	100%

...Expand

: 124-46-9, 20734-13-8, 100224-74-6, 593-85-1
guanidine hydrogen carbonate

: 144-62-7
oxalic acid

: 77-98-5
tetraethylammonium hydroxide

: 4C8H20N(1+)*3C2O4(2-)*8CH5N3*3CO3(2-)*8H(1+)

Conditions

Conditions	Yield
In water for 0.0833333h;	100%

...Expand

: 1015689-87-8
diethyl 3,3'-{1,2-phenylenebis[imino(2-methyl-4-oxobutane-4,2-diyl)sulfonyl]}dipropanoate

: 77-98-5
tetraethylammonium hydroxide

: bis(N,N,N-triethylethanaminium) 4,4'-[1,2-phenylenedi(imino)]bis(2-methyl-4-oxobutane-2-sulfinate)

Conditions

Conditions	Yield
In methanol; acetonitrile for 0.166667h; retro-Michael reaction;	100%

: 1015689-87-8
diethyl 3,3'-{1,2-phenylenebis[imino(2-methyl-4-oxobutane-4,2-diyl)sulfonyl]}dipropanoate

: 77-98-5
tetraethylammonium hydroxide

: N,N,N-triethylethanaminium 4-{[2-({3-[(3-ethoxy-3-oxopropyl)sulfonyl]-3-methylbutanoyl}amino)phenyl]amino}-2-methyl-4-oxobutane-2-sulfinate

Conditions

Conditions	Yield
In methanol; acetonitrile for 0.166667h; retro-Michael reaction;	100%

: 1015689-85-6
ethyl 3-[(3-{[2-({3-[(3-ethoxy-3-oxopropyl)sulfinyl]-3-methylbutanoyl}amino)phenyl]amino}-1,1-dimethyl-3-oxopropyl)sulfonyl]propanoate

: 77-98-5
tetraethylammonium hydroxide

: N,N,N-triethylethanaminium 4-{[2-({3-[(3-ethoxy-3-oxopropyl)sulfinyl]-3-methylbutanoyl}amino)phenyl]amino}-2-methyl-4-oxobutane-2-sulfinate

Conditions

Conditions	Yield
In methanol; acetonitrile for 0.166667h; retro-Michael reaction;	100%

: 136918-14-4
phthalimide

: 77-98-5
tetraethylammonium hydroxide

: 1174574-34-5
tetraethylammonium 2-(carbamoyl)benzoate

Conditions

Conditions	Yield
In water for 4h; Reflux;	100%
In water for 4h; Reflux;	100%

: 77-98-5
tetraethylammonium hydroxide

: 616-38-6
carbonic acid dimethyl ester

: tetraethylammonium methyl carbonate

Conditions

Conditions	Yield
In methanol at 20℃; for 15h; Inert atmosphere;	100%

: 594-45-6
ethanesulfonic acid

: 77-98-5
tetraethylammonium hydroxide

: C8H20N(1+)*C2H5O3S(1-)

Conditions

Conditions	Yield
In methanol Inert atmosphere;	100%

: hydrogen hexacyanoferrate(II)

: 77-98-5
tetraethylammonium hydroxide

: (tetraethylammonium)4 hexacyanoferrate(II)

Conditions

Conditions	Yield
In water	100%
In water	100%

: 15687-27-1
ibuprofen

: 77-98-5
tetraethylammonium hydroxide

: tetraethylammonium 2-(4-isobutylphenyl)propanoate

Conditions

Conditions	Yield
In methanol for 1h;	100%

: 77-98-5
tetraethylammonium hydroxide

: 112-55-0
1-dodecylthiol

: 33081-80-0
Dodecane-1-thiolatetetraethyl-ammonium;

Conditions

Conditions	Yield
In benzene at 6 - 10℃; for 1h;	99%

: 5231-88-9
1-Amino-2-methoxy-cyclobut-1-ene-3,4-dione

: 77-98-5
tetraethylammonium hydroxide

: 212248-45-8
tetraethylammonium aminosquarate

Conditions

Conditions	Yield
In water pH < 6.0;	99%

: 151-21-3
sodium dodecyl-sulfate

: 77-98-5
tetraethylammonium hydroxide

: 17262-37-2
tetraethylammonium dodecyl sulfate

Conditions

Conditions	Yield
In water using a strong cation-exchange resin;	99%
Stage #1: tetraethylammonium hydroxide With Dowex-50 W-X4 (H(+) form) In water Stage #2: sodium dodecyl-sulfate In methanol Further stages.;

: 77-98-5
tetraethylammonium hydroxide

: 103305-01-7
pentafluoroethylphosphonic acid

: bis(tetraethylammonium)pentafluoroethylphosphonate

Conditions

Conditions	Yield
In water at 20℃;	99%

: 496-41-3
Benzofuran-2-carboxylic acid

: 77-98-5
tetraethylammonium hydroxide

: tetraethylammonium benzofuran-2-carboxylate

Conditions

Conditions	Yield
In methanol; water at 20℃;	99%

: 6314-28-9
benzo[b]thiophene-2-carboxylic acid

: 77-98-5
tetraethylammonium hydroxide

: tetraethylammonium benzothiophene-2-carboxylate

Conditions

Conditions	Yield
In methanol; water at 20℃;	99%

: C9H9F3N2O3S2*C5H5N

: 77-98-5
tetraethylammonium hydroxide

: C9H8F3N2O3S2(1-)*C8H20N(1+)

Conditions

Conditions	Yield
In water Inert atmosphere;	99%

: 91543-32-7
tris(pentafluoroethyl)difluorophosphorane

: 77-98-5
tetraethylammonium hydroxide

A: C2HF4O3P(2-)*4C8H20N(1+)*2F(1-)

B: 354-33-6
1,1,1,2,2-pentafluoroethane

Conditions

Conditions	Yield
In water at 20 - 80℃; for 1.5h; Product distribution / selectivity;	A n/a B 98.8%

...Expand

: 111-88-6
Octanethiol

: 77-98-5
tetraethylammonium hydroxide

: 138555-15-4
Octane-1-thiolatetetraethyl-ammonium;

Conditions

Conditions	Yield
In benzene at 6 - 10℃; for 1h;	98%

: 77-98-5
tetraethylammonium hydroxide

: potassium (2-phenylethynyl)trifluoroborate

: tetraethylammonium (phenylethynyl)trifluoroborate

Conditions

Conditions	Yield
In dichloromethane; water for 0.5h;	98%

: 77-98-5
tetraethylammonium hydroxide

: 1119-70-6
3-isobutylamino-1-propanesulfonic acid

: tetraethylammonium isobutylaminopropanesulfonate

Conditions

Conditions	Yield
In water for 0.5h;	98%

: 3-isopropylamino-1-propanesulfonic acid

: 77-98-5
tetraethylammonium hydroxide

: 946830-15-5
tetraethylammonium N-isopropyl-N-(3-sulfopropyl)amine

Conditions

Conditions	Yield
In water for 0.5h;	98%

: 89585-26-2
dimethyl(4-sulfonatobutyl)ammonium

: 77-98-5
tetraethylammonium hydroxide

: tetraethylammonium dimethylaminobutanesulfonate

Conditions

Conditions	Yield
In water for 0.5h;	98%

: 1119-24-0
3-butylamino-propane-1-sulfonic acid

: 77-98-5
tetraethylammonium hydroxide

: tetraethylammonium n-butylaminopropanesulfonate

Conditions

Conditions	Yield
In water for 0.5h;	98%

: C48H47B2Br2N6O9Zn2(1-)*C8H20N(1+)

: 3-pyridylboronic acid hydrate

: 77-98-5
tetraethylammonium hydroxide

: C8H20N(1+)*C58H55B2N8O9Zn2(1-)

Conditions

Conditions	Yield
Stage #1: C48H47B2Br2N6O9Zn2(1-)*C8H20N(1+); 3-pyridylboronic acid hydrate With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate; tris(dibenzylideneacetone)dipalladium (0) In toluene; butan-1-ol at 120℃; for 12h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube; Stage #2: tetraethylammonium hydroxide In methanol; acetonitrile	98%

...Expand

: 60-29-7
diethyl ether

: 27344-26-9
2,5-diamino-3,6-dibromo-1,4-benzoquinone

: 3C6Cl2O4(2-)*2Zn(2+)*2C2H7N*2H(1+)

: 77-98-5
tetraethylammonium hydroxide

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 1.3C6Cl2O4(2-)*2Zn(2+)*1.7C6H2Br2N2O2(2-)*2C8H20N(1+)*0.57C3H7NO*0.14C4H10O

Conditions

Conditions	Yield
Stage #1: 3,6-diamino-2,5-dibromo-1,4-benzoquinone; 3C6Cl2O4(2-)2Zn(2+)2C2H7N*2H(1+); tetraethylammonium hydroxide; N,N-dimethyl-formamide In water at 75℃; for 48h; Stage #2: diethyl ether	98%

...Expand

: iron(II) triflate

: 303994-61-8
2,6-diformyl-4-tert-butylphenol dioxime

: 77-98-5
tetraethylammonium hydroxide

: 1692-15-5
4-pyridylboronic acid

: C46H47B2Fe2N8O9(1-)*C8H20N(1+)

Conditions

Conditions	Yield
Stage #1: iron(II) triflate; 2,6-diformyl-4-tert-butylphenol dioxime; 4-pyridylboronic acid In methanol at 50℃; for 1h; Glovebox; Stage #2: tetraethylammonium hydroxide In methanol; ethanol at 20℃; for 1h;	97%

...Expand

: C9H9F3N2O4S*C5H5N

: 77-98-5
tetraethylammonium hydroxide

: C9H8F3N2O4S(1-)*C8H20N(1+)

Conditions

Conditions	Yield
In water Inert atmosphere;	97%

: 27344-26-9
2,5-diamino-3,6-dibromo-1,4-benzoquinone

: 3C6Cl2O4(2-)*2Mn(2+)*2C2H7N*2H(1+)

: 77-98-5
tetraethylammonium hydroxide

: 68-12-2, 33513-42-7
N,N-dimethyl-formamide

: 1.8C6Cl2O4(2-)*2Mn(2+)*1.2C6H2Br2N2O2(2-)*2C8H20N(1+)*0.65C3H7NO

Conditions

Conditions	Yield
In water at 75℃; for 48h;	97%

...Expand

Tetraethylammonium hydroxide Chemical Properties

IUPAC Name: Tetraethylazanium hydroxide
Molecular Formula: C₈H₂₁NO
Molecular Weight: 147.26 g/mol
SMILES: [N+](CC)(CC)(CC)CC.[OH-]
InChI: InChI=1/C8H20N.H2O/c1-5-9(6-2,7-3)8-4;/h5-8H2,1-4H3;1H2/q+1;/p-1
EINECS: 201-073-3
Classification Code: Drug / Therapeutic Agent
Product Categories: quarternary ammonium bases; HPLC Ion-Pair Reagents for Acidic Samples; Ammonium Hydroxides (Quaternary); Analytical Chemistry; Ion-Pair Reagents for HPLC; Quaternary Ammonium Compounds
Water Solubility: SOLUBLE
Sensitive: Air Sensitive
Stability: Stable, but absorbs carbon dioxide from the air
Melting Point: -98 °C
Boiling Point: 110 °C
Density: 1.023 g/mL at 25 °C
Flash Point: 11 °C
storage temperature of Tetraethylammonium hydroxide (CAS NO.77-98-5): 2-8 °C

Tetraethylammonium hydroxide Uses

Tetraethylammonium hydroxide (CAS NO.77-98-5) is used as a phase transfer catalyst, the template agent synthesized by molecular sieve and cleaning agents.

Tetraethylammonium hydroxide Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
frog	LDLo	parenteral	60mg/kg (60mg/kg)		"Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948Vol. -, Pg. 681, 1948.
mouse	LDLo	subcutaneous	107mg/kg (107mg/kg)		Journal of Pharmacology and Experimental Therapeutics. Vol. 28, Pg. 367, 1926.

Tetraethylammonium hydroxide Consensus Reports

Reported in EPA TSCA Inventory.

Tetraethylammonium hydroxide Safety Profile

Hazard Codes: Corrosive C, Dangerous N, Toxic T, Flammable F
Risk Statements: 34-51-39/23/24/25-23/24/25-11
R34:Causes burns.
R51:Toxic to aquatic organisms.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
R39:Danger of very serious irreversible effects.
R11:Highly flammable.
Safety Statements: 7-16-26-36/37/39-45-61
S7:Keep container tightly closed.
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3286 3/PG 2
WGK Germany: 3
RTECS: KH3150000
F: 9-34
HazardClass: 8
PackingGroup of Tetraethylammonium hydroxide (CAS NO.77-98-5): II

Tetraethylammonium hydroxide Specification

Tetraethylammonium hydroxide (CAS NO.77-98-5), its Synonyms are Ammonium, tetraethyl-, hydroxide ; Ethanaminium, N,N,N-triethyl-, hydroxide ; Ethanaminium, N,N,N-triethyl-, hydroxide (1:1) . It is colourless liquid.

Product Name

Tetraethylammonium hydroxide

Synthetic route

Tetraethylammonium hydroxide Chemical Properties

Tetraethylammonium hydroxide Uses

Tetraethylammonium hydroxide Toxicity Data With Reference

Tetraethylammonium hydroxide Consensus Reports

Tetraethylammonium hydroxide Safety Profile

Tetraethylammonium hydroxide Specification

Related Products

Hot Products