Tetramethylammonium hydroxide pentahydrate

Product Details

CasNo： 10424-65-4

MF： C4H13NO.5(H2O)

Appearance： Powder

Delivery Time： 15 days

Packing： 25kg/bag

Purity： 99%

• Basic Information
  • Chinese Name: Tetramethylammonium Hydroxide Pentahydrate
  • English Name: Tetramethylammonium Hydroxide Pentahydrate
  • CAS No.: 10424 - 65 - 4
  • Molecular Formula: C4H13NO.5(H2O)
  • Molecular Weight: 181.23
• Physical and Chemical Properties2
  • Appearance: Colorless needle - like crystals.
  • Melting Point: 67 - 70℃.
  • Density: 1.829.
  • Vapor Density: 1.1 (relative to air).
  • Vapor Pressure: 97mmHg (20℃).
  • Odor: Ammonia - like odor.
  • Solubility: Soluble in water, extremely hygroscopic, and can quickly absorb carbon dioxide in the air.
  • Stability: It decomposes into methanol and trimethylamine at 130℃. As an organic strong base, it has strong corrosiveness.
• Product Specifications
  • Purity: Usually, the purity can reach 99% or above, the alkali content is ≥46.5%, and the carbonate content is ≤1.0%.
  • Packaging: The common packaging is 25kg/bag or carton drum.
• Main Applications5
  • Organosilicon Field: It is used as a catalyst for dimethyl silicone oil, amino silicone oil, phenylmethyl silicone oil, etc., which can improve the reaction efficiency and product quality.
  • Analysis Field: It can be used as a polarographic reagent for polarographic analysis.
  • Product Purification: As an ash - free base, it is used to precipitate many metal elements for product purification.
  • Electronics Industry: In the production of organic silicon wafers, it is often used as a brightener, cleaning agent, and etchant. It can also be used as an etchant for photoresists in the electronics industry.
• Storage Conditions: It should be stored in a cool and ventilated warehouse, and avoid direct contact with air to prevent moisture absorption and deterioration due to carbon dioxide absorption.
• Safety Information
  • Hazard Class: It is corrosive and belongs to dangerous chemicals, with a hazard class of 8.
  • Warning Terms: Harmful by inhalation, in contact with skin and if swallowed. It can cause burns, and there is a risk of explosion if heated under confinement.
  • Safety Terms: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice; Wear appropriate protective clothing, gloves, and eye/face protection; In case of accident or if you feel unwell, seek medical advice immediately.