Tetramethylammonium hydroxide, AR 25%

Name: Tetramethylammonium hydroxide, AR 25%
Brand: Vaqora Chemicals
SKU: VQ-045947

About Tetramethylammonium hydroxide, AR 25%

Listed under CAS 75-59-2, Tetramethylammonium hydroxide is an indicator available from Vaqora Chemicals (AR grade), specified at 25% purity. With the molecular formula C4H13NO, it has a molar mass of 91.15 g/mol. Its systematic (IUPAC) name is tetramethylazanium hydroxide. It is also known as NMW-W or Hydroxyde de tetramethylammonium.

It is supplied as a liquid. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for titration end-point detection, pH determination, analytical testing and molecular biology workflows. Typical end-use sectors are academic and industrial research.

Available in 50 mL, 100 mL, 250 mL and 500 mL packs, Tetramethylammonium hydroxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Molecular biology workflows

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Tetramethylammonium hydroxide, AR 25%
Catalogue No.	VQ-045947
CAS Number	75-59-2
IUPAC name	tetramethylazanium hydroxide
Molecular formula	C₄H₁₃NO
Molecular weight	91.15 g/mol
Exact mass	91.0997
Grade	AR
Purity / assay	25%
HSN code	29239000
InChIKey	WGTYBPLFGIVFAS-UHFFFAOYSA-M
SMILES	C[N+](C)(C)C.[OH-]
PubChem CID	60966

Physical properties
Physical form	Liquid
H-bond donors / acceptors	1 / 1
TPSA	1 Å²
Synonyms	NMW-W, Hydroxyde de tetramethylammonium, Ammonium, tetramethyl-, hydroxide, NMD 3, Methanaminium, N,N,N-trimethyl-, hydroxide, Methanaminium, N,N,N-trimethyl-, hydroxide (1:1), N,N,N-trimethylmethanaminium hydroxide, Tetrametanoamonio hydroxido, Tetrametiloamonio hydroxido

Safety & hazard information (GHS)

Corrosive

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H300+H310Fatal if swallowed or in contact with skin
H300Fatal if swallowed
H310Fatal in contact with skin
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P260, P262, P264, P264 + P265, P270, P273, P280, P301 + P316, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P308 + P316, P316, P317, P319, P321, P330, P361 + P364, P363, P391, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 75-59-2

Tetramethylammonium hydroxide 0.1 N in isopropanol / methanol

CAS: 75-59-2
Formula: C₄H₁₃NO
MW: 91.15 g/mol

VQ-000784

Tetramethylammonium hydroxide 10% for polarography

CAS: 75-59-2
Formula: C₄H₁₃NO
MW: 91.15 g/mol

VQ-000785

Tetramethylammonium hydroxide 1M solution in methanol

CAS: 75-59-2
Formula: C₄H₁₃NO
MW: 91.15 g/mol

VQ-000786

Tetramethylammonium hydroxide 1M solution in water

CAS: 75-59-2
Formula: C₄H₁₃NO
MW: 91.15 g/mol

VQ-000787

Tetramethylammonium hydroxide 25% in methanol

CAS: 75-59-2
Formula: C₄H₁₃NO
MW: 91.15 g/mol

VQ-000788

Tetramethylammonium hydroxide 25% in water

CAS: 75-59-2
Formula: C₄H₁₃NO
MW: 91.15 g/mol

VQ-000411

Frequently asked questions

What is the CAS number of Tetramethylammonium hydroxide, AR 25%?

The CAS Registry Number of Tetramethylammonium hydroxide, AR 25% is 75-59-2. It is also known as NMW-W, Hydroxyde de tetramethylammonium, Ammonium, tetramethyl-, hydroxide.

What is the molecular formula and molecular weight of Tetramethylammonium hydroxide, AR 25%?

Tetramethylammonium hydroxide, AR 25% has the molecular formula C4H13NO and a molecular weight of 91.15 g/mol. Its IUPAC name is tetramethylazanium hydroxide.

Which grade and pack sizes of Tetramethylammonium hydroxide, AR 25% can I order?

We supply Tetramethylammonium hydroxide, AR 25% in AR (25%) grade, in 50 mL, 100 mL, 250 mL, 500 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tetramethylammonium hydroxide, AR 25%?

Yes. Every lot of Tetramethylammonium hydroxide, AR 25% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tetramethylammonium hydroxide, AR 25% be shipped internationally?

Yes. Tetramethylammonium hydroxide, AR 25% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.