Molekula

Tetramethylammonium hydroxide, 4% solution in water

SKU 90037811 CAS 75-59-2 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Tetramethylammonium hydroxide, 4% solution in water, is a strong organic base used in semiconductor manufacturing, organic synthesis, and as a reagent in analytical chemistry. It is a clear, colorless liquid with a characteristic ammoniacal odor. Available in 1 L and 5 L containers, it has a pH of approximately 12.5. Molekula supplies Tetramethylammonium hydroxide, 4% solution in water from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

Contact sales

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Paste this into the structure editor to work on it

Overview

SKU: 90037811
CAS Number: 75-59-2
IUPAC Name: tetramethylazanium hydroxide
EC Number: 200-882-9
Exact Mass: 91.0997
SMILES: C[N+](C)(C)C.[OH-]
InChIKey: WGTYBPLFGIVFAS-UHFFFAOYSA-M
InChI: InChI=1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
PubChem CID: 60966

Synonyms

Ammonium, tetramethyl-, hydroxide
Hydroxyde de tetramethylammonium
Methanaminium, N,N,N-trimethyl-, hydroxide
Methanaminium, N,N,N-trimethyl-, hydroxide (1:1)
N,N,N-trimethylmethanaminium hydroxide
NMD 3
NMW-W
tetramethylazanium;hydroxide
TMAH
TMAOH

See all 6 other grades of CAS 75-59-2 →

Frequently asked questions

What is tetramethylammonium hydroxide, 4% solution in water used for?

It is commonly used as a reagent in organic synthesis, particularly in quaternary ammonium salt formation, and as a base in semiconductor manufacturing and photoresist processing.

What is the chemical formula and molecular weight of tetramethylammonium hydroxide?

The chemical formula is C4H13NO, and the molecular weight is approximately 91.15 g/mol.

How should tetramethylammonium hydroxide, 4% solution be stored?

Store in a cool, dry place away from light and incompatible materials; keep container tightly closed and avoid contact with acids.

What grade is available for this product?

This product is available as a reagent grade solution, suitable for laboratory and industrial applications.

Can Molekula supply tetramethylammonium hydroxide in bulk?

Yes, Molekula can supply tetramethylammonium hydroxide in bulk quantities; please contact our sales team for pricing and availability.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.