Tetraethylammonium hydroxide

Modify Date: 2024-01-02 21:16:41

Tetraethylammonium hydroxide Structure
Tetraethylammonium hydroxide structure
 Common Name Tetraethylammonium hydroxide
CAS Number 77-98-5 Molecular Weight 147.258
Density 1.023 g/mL at 25 °C Boiling Point 110 °C
Molecular Formula C8H21NO Melting Point -98ºC
MSDS Chinese Flash Point 11 °C
Symbol GHS05
GHS05		 Signal Word Danger

 Names

Name Tetraethylammonium hydroxide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.023 g/mL at 25 °C
Boiling Point 110 °C
Melting Point -98ºC
Molecular Formula C8H21NO
Molecular Weight 147.258
Flash Point 11 °C
Exact Mass 147.162308
PSA 23.06000
LogP 1.70600
Index of Refraction n20/D 1.422
Stability Stable, but absorbs carbon dioxide from the air
Water Solubility SOLUBLE

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
KH3150000
CHEMICAL NAME :
Ethanaminium, N,N,N-triethyl-, hydroxide
CAS REGISTRY NUMBER :
77-98-5
LAST UPDATED :
199710
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C8-H20-N.H-O
MOLECULAR WEIGHT :
147.30
WISWESSER LINE NOTATION :
2K2&2&2 &Q

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
107 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 28,367,1926
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Parenteral
SPECIES OBSERVED :
Amphibian - frog
DOSE/DURATION :
60 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85IXA4 "Structure et Activite Pharmacodyanmique des Medicaments du Systeme Nerveux Vegetatif," Bovet, D., and F. Bovet-Nitti, New York, S. Karger, 1948 Volume(issue)/page/year: -,681,1948 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4954 No. of Facilities: 6 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 215 (estimated) No. of Female Employees: 168 (estimated)

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes F:Flammable
Risk Phrases R11;R23/24/25;R34;R39/23/24/25;R51
Safety Phrases S7-S16-S26-S36/37/39-S45-S61
RIDADR UN 3286 3/PG 2
WGK Germany 3
RTECS KH3150000
Packaging Group II
Hazard Class 8
HS Code 2923900090

 Synthetic Route

Diethyl sulfate structure

Diethyl sulfate

CAS#:64-67-5

Ethanol structure

Ethanol

CAS#:64-17-5

Triethylamine structure

Triethylamine

CAS#:121-44-8

~93%

Tetraethylammonium hydroxide Structure

Tetraethylammon...

CAS#:77-98-5

Literature: Guangqiang SHI and Nongyue WANG Patent: US2005/65376 A1, 2005 ; Location in patent: Page/Page column 11 ;
Tetraethylammonium bromide structure

Tetraethylammon...

CAS#:71-91-0

~75%

Tetraethylammonium hydroxide Structure

Tetraethylammon...

CAS#:77-98-5

Literature: Attri, Pankaj; Venkatesu, Pannuru; Kumar, Anil Journal of Physical Chemistry B, 2010 , vol. 114, # 42 p. 13415 - 13425 Title/Abstract Full Text View citing articles Show Details Kavitha; Attri, Pankaj; Venkatesu, Pannuru; Devi, R. S. Rama; Hofman Journal of Physical Chemistry B, 2012 , vol. 116, # 15 p. 4561 - 4574
Ethyl carbonate structure

Ethyl carbonate

CAS#:105-58-8

~%

Tetraethylammonium hydroxide Structure

Tetraethylammon...

CAS#:77-98-5

Tetraethylammonium hydrogencarbonate structure

Tetraethylammon...

CAS#:17351-61-0

Literature: EP269949 A2, ;
Tetraethylammonium Iodide structure

Tetraethylammon...

CAS#:68-05-3

~%

Tetraethylammonium hydroxide Structure

Tetraethylammon...

CAS#:77-98-5

Literature: Zeitschrift fuer Chemie (Stuttgart, Germany), , vol. 23, # 2 p. 62 - 63
Tetraethylammonium chloride structure

Tetraethylammon...

CAS#:56-34-8

~%

Tetraethylammonium hydroxide Structure

Tetraethylammon...

CAS#:77-98-5

Literature: Journal of the Chemical Society, , vol. 91, p. 1794
Ethyl iodide structure

Ethyl iodide

CAS#:75-03-6

Triethylamine structure

Triethylamine

CAS#:121-44-8

~%

Tetraethylammonium hydroxide Structure

Tetraethylammon...

CAS#:77-98-5

Literature: Justus Liebigs Annalen der Chemie, , vol. 78, p. 257

 Customs

HS Code 2923900090
Summary 2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

 Articles42

More Articles
Extracellular quaternary ammonium blockade of transient receptor potential vanilloid subtype 1 channels expressed in Xenopus laevis oocytes.

Mol. Pharmacol. 82(6) , 1129-35, (2012)

Transient receptor potential vanilloid subtype 1 (TRPV1) channels are essential nociceptive integrators in primary afferent neurons. These nonselective cation channels are inhibited by local anestheti...

Remarkably regioselective deacylation of cellulose esters using tetraalkylammonium salts of the strongly basic hydroxide ion.

Carbohydr. Polym. 111 , 25-32, (2014)

Tetraalkylammonium hydroxides have been found to mediate regioselective deacylation of cellulose esters. This deacylation surprisingly shows substantial selectivity for the removal of the acyl groups ...

Use of ion-pairing reagent for improving iodine speciation analysis in seaweed by pressure-driven capillary electrophoresis and ultraviolet detection.

J. Chromatogr. A. 1379 , 112-7, (2015)

This study achieved resolution improvement for iodine speciation in the presence of an ion-pairing reagent by a pressure-driven capillary electrophoresis (CE) system. Addition of 0.01mM tetrabutyl amm...

 Synonyms

Ethanaminium, N,N,N-triethyl-, hydroxide (1:1)
Tetraethylammonium hydroxide
tetraethyl-ammoniuhydroxide
Tetraethylammoniumhydroxides
EINECS 201-073-3
Tetraethylazanium hydroxide
TEA HYDROXIDE
Tetraethylammonium h
TENOH
N,N,N-Triethylethanaminium hydroxide
IPC-TEA-OH
MFCD00009024
2K2&2&2 &&OH-
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