Tetraethylammonium hydroxide solution (TEAOH) - AR, 25% in water , CAS No.77-98-5

CAS: 77-98-5 Cat. No.: T102754 Formula: C8H21NO Molecular Weight: 147.26 Beilstein Registry Number: 3912961 EC Number: 201-073-3 PubChem CID: 6509
AVAILABLE TO ORDER
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. 25% in water
Synonyms
Tetraethyl ammonium hydroxide | IPC-TEA-OH | TEA hydroxide | TEAH
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
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Size
Germany (EU)
USA*
Price
Qty
25ml
T102754-25ml
Made to order · 8–12 wks
€10.33
50ml
T102754-50ml
Made to order · 8–12 wks
€25.95
100ml
T102754-100ml
Made to order · 8–12 wks
€25.95
250ml
T102754-250ml
—
3 In stock
€86.69
500ml
T102754-500ml
—
2 In stock
€72.80
Enter a quantity for the sizes you want to add.
🧪
Why this grade

AR, 25% in water AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships FedEx DG Service Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 101 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Tetraethyl ammonium hydroxide | IPC-TEA-OH | TEA hydroxide | TEAH
Specifications & Purity
AR, 25% in water
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
Grade
AR
Names and Identifiers
Pubchem Sid508813034
Canonical SmilesCC[N+](CC)(CC)CC.[OH-]
IUPAC Nametetraethylazanium;hydroxide
InChIKeyLRGJRHZIDJQFCL-UHFFFAOYSA-M
INCHI1S/C8H20N.H2O/c1-5-9(6-2,7-3)8-4;/h5-8H2,1-4H3;1H2/q+1;/p-1
Isomeric SMILES CC[N+](CC)(CC)CC.[OH-]
WGK Germany 3
PubChem CID 6509
Molecular Weight 147.26
Beilstein 3912961

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic nitrogen compounds
ClassOrganonitrogen compounds
SubclassQuaternary ammonium salts
Intermediate Tree Nodes Not available
Direct ParentTetraalkylammonium salts
Alternative Parents Organopnictogen compounds  Organic salts  Organic oxoanionic compounds  Organic oxides  Hydrocarbon derivatives  Amines  
Molecular FrameworkAliphatic acyclic compounds
Substituents Tetraalkylammonium salt - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organic salt - Organic hydroxide - Amine - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as tetraalkylammonium salts. These are organonitrogen compounds containing a quaternary ammonium substituted with four alkyl chains.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

72 results found

Lot NumberCertificate TypeDateItem
C2606588Certificate of AnalysisFeb 26, 2026 T102754
C2606587Certificate of AnalysisFeb 26, 2026 T102754
C2606586Certificate of AnalysisFeb 26, 2026 T102754
C2606585Certificate of AnalysisFeb 26, 2026 T102754
C2606584Certificate of AnalysisFeb 26, 2026 T102754
H2529551Certificate of AnalysisAug 16, 2025 T102754
H2529550Certificate of AnalysisAug 16, 2025 T102754
H2529549Certificate of AnalysisAug 16, 2025 T102754
H2529548Certificate of AnalysisAug 16, 2025 T102754
H2529547Certificate of AnalysisAug 16, 2025 T102754
H2529546Certificate of AnalysisAug 16, 2025 T102754
F2626041Certificate of AnalysisAug 16, 2025 T102754
E2508409Certificate of AnalysisApr 16, 2025 T102754
E2508419Certificate of AnalysisApr 16, 2025 T102754
E2508418Certificate of AnalysisApr 16, 2025 T102754
E2508417Certificate of AnalysisApr 16, 2025 T102754
E2508416Certificate of AnalysisApr 16, 2025 T102754
G2510506Certificate of AnalysisApr 16, 2025 T102754
E2508408Certificate of AnalysisApr 16, 2025 T102754
E2508406Certificate of AnalysisApr 16, 2025 T102754
E2508405Certificate of AnalysisApr 16, 2025 T102754
G2510504Certificate of AnalysisApr 16, 2025 T102754
E2508407Certificate of AnalysisApr 16, 2025 T102754
G2510507Certificate of AnalysisApr 16, 2025 T102754
G2510508Certificate of AnalysisApr 16, 2025 T102754
G2510509Certificate of AnalysisApr 16, 2025 T102754
G2510510Certificate of AnalysisApr 16, 2025 T102754
G2510511Certificate of AnalysisApr 16, 2025 T102754
G2511569Certificate of AnalysisApr 16, 2025 T102754
G2511570Certificate of AnalysisApr 16, 2025 T102754
K2517250Certificate of AnalysisApr 16, 2025 T102754
D2121319Certificate of AnalysisFeb 07, 2025 T102754
A2510476Certificate of AnalysisNov 18, 2024 T102754
A2510588Certificate of AnalysisNov 18, 2024 T102754
A2510589Certificate of AnalysisNov 18, 2024 T102754
A2510590Certificate of AnalysisNov 18, 2024 T102754
A2510591Certificate of AnalysisNov 18, 2024 T102754
A2510587Certificate of AnalysisNov 18, 2024 T102754
A2510487Certificate of AnalysisNov 18, 2024 T102754
J2425763Certificate of AnalysisOct 14, 2024 T102754
J2425764Certificate of AnalysisOct 14, 2024 T102754
J2425765Certificate of AnalysisOct 14, 2024 T102754
J2425761Certificate of AnalysisOct 14, 2024 T102754
C2429762Certificate of AnalysisMar 13, 2024 T102754
C2429761Certificate of AnalysisMar 13, 2024 T102754
C2429760Certificate of AnalysisMar 13, 2024 T102754
D2324641Certificate of AnalysisApr 14, 2023 T102754
D2324639Certificate of AnalysisApr 14, 2023 T102754
D2324649Certificate of AnalysisApr 14, 2023 T102754
D2324849Certificate of AnalysisApr 14, 2023 T102754
D2324857Certificate of AnalysisApr 14, 2023 T102754
J2211187Certificate of AnalysisSep 16, 2022 T102754
J2211145Certificate of AnalysisSep 16, 2022 T102754
J2211148Certificate of AnalysisSep 16, 2022 T102754
J2211143Certificate of AnalysisSep 16, 2022 T102754
J2211144Certificate of AnalysisSep 16, 2022 T102754
J2211188Certificate of AnalysisSep 16, 2022 T102754
K2218101Certificate of AnalysisSep 16, 2022 T102754
I1812190Certificate of AnalysisJul 18, 2022 T102754
D2229048Certificate of AnalysisMar 26, 2022 T102754
D2229054Certificate of AnalysisMar 26, 2022 T102754
D2229055Certificate of AnalysisMar 26, 2022 T102754
E2227156Certificate of AnalysisMar 26, 2022 T102754
A2331329Certificate of AnalysisMar 26, 2022 T102754
A2331330Certificate of AnalysisMar 26, 2022 T102754
E2227149Certificate of AnalysisMar 26, 2022 T102754
E2227157Certificate of AnalysisMar 26, 2022 T102754
E2227154Certificate of AnalysisMar 26, 2022 T102754
A2218516Certificate of AnalysisDec 23, 2021 T102754
A2219120Certificate of AnalysisDec 23, 2021 T102754
A2218338Certificate of AnalysisDec 23, 2021 T102754
A2218339Certificate of AnalysisDec 23, 2021 T102754
Chemical and Physical Properties
SensitivityAir sensitive
Refractive Index1.380
Flash Point(°C)>170
Boil Point(°C)96.4°C
Molecular Weight147.260 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count4
Exact Mass147.162 Da
Monoisotopic Mass147.162 Da
Topological Polar Surface Area1.000 Ų
Heavy Atom Count10
Formal Charge0
Complexity47.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Citations of This Product
Solution Calculators
Reviews

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