ChemicalBook > CAS DataBase List > Tetraethylammonium hydroxide

Tetraethylammonium hydroxide

Product Name
Tetraethylammonium hydroxide
CAS No.
77-98-5
Chemical Name
Tetraethylammonium hydroxide
Synonyms
TEA HYDROXIDE;Tetraethylammoniumhydroxid;tetraethyl-ammoniuhydroxide;Tetraethylamminonium hydroxide;n,n,n-triethyl-ethanaminiuhydroxide;tetraethylammoniumhydroxide,solution;Ethanaminum,N,N,N-triethyl-,hydroxide;tetraethylammonioumhydroxide(aqueous);Ethanaminium,N,N,N-triethyl-,hydroxide;TENOH
CBNumber
CB3751910
Molecular Formula
C8H21NO
Formula Weight
147.26
MOL File
77-98-5.mol
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Tetraethylammonium hydroxide Property

Melting point:
-98C
Boiling point:
110 °C
Density 
1.023 g/mL at 25 °C
refractive index 
n20/D 1.422
Flash point:
11 °C
storage temp. 
2-8°C
form 
Solution
color 
colorless to yellow
PH
>13 (H2O, 20°C)
Water Solubility 
SOLUBLE
Sensitive 
Air Sensitive
Merck 
14,9201
BRN 
3912961
Stability:
Stable, but absorbs carbon dioxide from the air
InChIKey
LRGJRHZIDJQFCL-UHFFFAOYSA-M
CAS DataBase Reference
77-98-5(CAS DataBase Reference)
EPA Substance Registry System
Tetraethyl ammonium hydroxide (77-98-5)
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Safety

Hazard Codes 
C,N,T,F
Risk Statements 
34-51-39/23/24/25-23/24/25-11-35
Safety Statements 
7-16-26-36/37/39-45-61-36/37
RIDADR 
UN 3286 3/PG 2
WGK Germany 
3
RTECS 
KH3150000
F 
9-34
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
29239000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.22149
Product name
Tetraethylammonium hydroxide
Purity
(20% aqueous solution) for synthesis
Packaging
250ML
Price
$82.8
Updated
2025/07/31
Sigma-Aldrich
Product number
8.22149
Product name
Tetraethylammonium hydroxide
Purity
(20% aqueous solution) for synthesis
Packaging
1L
Price
$243
Updated
2025/07/31
Sigma-Aldrich
Product number
177806
Product name
Tetraethylammonium hydroxide solution
Purity
20 wt. % in H2O
Packaging
100g
Price
$53.88
Updated
2025/07/31
Sigma-Aldrich
Product number
177806
Product name
Tetraethylammonium hydroxide solution
Purity
20 wt. % in H2O
Packaging
1kg
Price
$305.36
Updated
2025/07/31
TCI Chemical
Product number
I0363
Product name
Tetraethylammonium Hydroxide (10% in Water) [Reagent for Ion-Pair Chromatography]
Packaging
25mL
Price
$61
Updated
2025/07/31
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Tetraethylammonium hydroxide Chemical Properties,Usage,Production

Chemical Properties

colourless liquid

Uses

Tetraethylammonium hydroxide is a strong organic base and finds applications in photovoltaic chemicals, advanced ceramics, flat panel display chemicals, selective etching and transesterification catalysts. Its solution (35 wt. % in H2O) may be used as an organic structure-directing agent (SDA)/template in the synthesis of mesoporous molecular sieves and zeolite samples.

General Description

The product is 20wt.% solution of tetraethylammonium hydroxide (TEA hydroxide, TENOH) in H2O. TEA hydroxide is a quaternary ammonium hydroxide (QAH). It participates in the synthesis of zeolite beta. TENOH peptized titania aqueous sols have been employed in the preparation of nanocrystalline anatase films.

Hazard

Strong irritant to skin and tissue.

Tetraethylammonium hydroxide Preparation Products And Raw materials

Raw materials

Preparation Products

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Tetraethylammonium hydroxide Suppliers

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View Lastest Price from Tetraethylammonium hydroxide manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
Tetraethylammonium hydroxide 77-98-5
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-12-10
Henan Fengda Chemical Co., Ltd
Product
Tetraethylammonium hydroxide 77-98-5
Price
US $158.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-01-05
Zhuozhou Wenxi import and Export Co., Ltd
Product
Tetraethylammonium hydroxide 77-98-5
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-07-10

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