Tetramethylammonium hydroxide, 1.0 M aq. soln., ACS

Product Code. 15466635

Brand: Thermo Scientific Alfa Aesar 044938.AK

Description

CAS: 75-59-2 | C4H13NO | 91.154 g/mol

Tetramethylammonium hydroxide is used as anisotropic etching of silicon, as a basic solvent in the development of acidic photo resist in the photolithography process, and is highly effective in stripping photo resist, and is used as a surfactant in the synthesis of ferrofluid, to inhibit nanoparticle aggregation.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 75-59-2
• Molecular Formula: C4H13NO
• Molecular Weight (g/mol): 91.154
• MDL Number: MFCD00008280
• InChI Key: WGTYBPLFGIVFAS-UHFFFAOYSA-M
• Synonym: tetramethylammonium hydroxide, tmah, hydroxyde de tetramethylammonium, nmw-w, nmd 3, tetramethyl ammonium hydroxide, unii-5gkp7317q2, ammonium, tetramethyl-, hydroxide, methanaminium, n,n,n-trimethyl-, hydroxide, tetramethylammoniumhydroxide
• PubChem CID: 60966
• IUPAC Name: tetramethylazanium;hydroxide
• SMILES: C[N+](C)(C)C.[OH-]

• Color: Colorless to Yellow
• Linear Formula: (CH₃)₄NOH
• Quantity: 250 mL
• UN Number: UN1835
• Beilstein: 3558708
• Sensitivity: Air Sensitive
• Merck Index: 14,9224
• Solubility Information: Soluble in water.
• Formula Weight: 91.15
• Grade: ACS
• Concentration or Composition (by Analyte or Components): 1.0M aq. soln.
• Physical Form: Liquid
• Chemical Name or Material: Tetramethylammonium hydroxide

Safety and Handling

Product Identifier

• Tetramethylammonium hydroxide, 1.0M aqueous solution

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 3
• Acute toxicity Category 4
• LONG-TERM AQUATIC HAZARD Chronic 3
• Serious eye damage/eye irritation Category 1
• Skin corrosion/irritation Category 1 B
• Specific target organ toxicity Category 1
• Specific target organ toxicity after single exposure Category 1

Hazard Statement

• H302-Harmful if swallowed.
• H311-Toxic in contact with skin.
• H314-Causes severe skin burns and eye damage.
• H318-Causes serious eye damage.
• H370-Causes damage to organs.
• H372-Causes damage to organs.
• H412-Harmful to aquatic life with long lasting effects.

Precautionary Statement

• P260-Do not breathe dust/fume/gas/mist/vapours/spray.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

Supplemental information

• MIXTURE LIST-Contains : Tetramethylammoniumhydroxide

SDS

RUO – Research Use Only