426318

Tetramethylammonium hydroxide solution

ACS reagent

• Synonym(s): N,N,N-trimethyl-methanaminium hydroxide, TMAH, TMAOH
• Linear Formula: (CH₃)₄N(OH)
• CAS Number: 75-59-2
• Molecular Weight: 91.15
• Beilstein: 3558708
• MDL number: MFCD00008280
• PubChem Substance ID: 24866695
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 200
• form: liquid
• concentration: 1.0 M±0.02 M in H₂O
• ign. residue: ≤5 ppm
• color: APHA: ≤10
• refractive index: n20/D 1.3497
• bp: 100 °C
• density: 1.005 g/mL at 25 °C
• anion traces: chloride (Cl^-): ≤0.03%
• cation traces: K: ≤2 ppm; Na: ≤2 ppm
• SMILES string: [OH-].C[N+](C)(C)C
• InChI: 1S/C4H12N.H2O/c1-5(2,3)4;/h1-4H3;1H2/q+1;/p-1
• InChI key: WGTYBPLFGIVFAS-UHFFFAOYSA-M

Description

Application

Tetramethylammonium hydroxide solution can be used as:

• A reagent in the organocatalyzed photoinduced Birch reduction of arenes to 1,4-cyclohexadienes.
• A catalyst to synthesize 1,2-dihydro-1-arylnaphtho-oxazine-3-one derivatives via one-pot three-component condensation reaction of 2-naphthol, aromatic aldehydes, and urea.
• A peptizing agent for magnetite nanoparticles to promote repulsive stabilization forces.
• A template in the hydrothermal synthesis of hierarchical zeolite T aggregates with different sizes.

Packaging

250 mL in glass bottle

1 L in glass bottle

Safety Information

• Pictograms: GHS05,GHS06,GHS08
• Signal Word: Danger
• Hazard Statements: H301 + H311 - H314 - H371 - H373 - H412
• Precautionary Statements: P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - STOT RE 2 Dermal - STOT SE 2
• Target Organs: Central nervous system
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves