Tetramethyl Ammonium Hydroxide Solution 25% in water

Product Description

Tetramethyl Ammonium Hydroxide Solution 25% in Water (Code: 06220) is a high-purity, colorless to slightly yellow aqueous solution of a strong organic base. It is a quaternary ammonium hydroxide known for its powerful alkalinity and precise reactivity, making it an essential reagent in semiconductor fabrication, photoresist development, and advanced organic synthesis.

This solution provides a safer and more convenient handling form compared to solid TMAH hydrates. It is widely used in microelectronics, chemical processing, analytical chemistry, and polymer research due to its high purity, stability, and consistent performance.

Key Features

• Product Code: 06220
• Chemical Name: Tetramethyl Ammonium Hydroxide Solution (25% in Water)
• Molecular Formula: C₄H₁₃NO
• Molecular Weight: 91.15 g/mol
• CAS Number: 75-59-2
• Appearance: Clear, colorless to pale yellow liquid
• Concentration: 25% w/w aqueous solution
• Purity: ≥99% (Reagent Grade, on dry basis)
• pH: Approximately 13–14 (strongly basic)
• Solubility: Completely miscible with water, methanol, and ethanol
• Odor: Slight amine-like odor

Applications

Laboratory & Research

• Commonly used as a strong organic base in organic and inorganic synthesis.
• Serves as a photoresist developer and silicon etchant in microfabrication research.
• Effective titrant and catalyst in analytical and kinetic studies.
• Applied in polymer chemistry for crosslinking and curing reactions.
• Utilized in nanomaterial and surface modification studies.

Industrial Uses

• Semiconductor Industry: Used for silicon wafer cleaning, etching, and photoresist development.
• Electronics Manufacturing: Key reagent in display panel and circuit fabrication processes.
• Chemical Processing: Employed as a catalyst, base, and pH modifier.
• Polymer & Coatings: Used in curing agents, crosslinkers, and specialty resin formulations.
• Surface Treatment: Acts as a cleaning and stripping agent for precision components.

Safety & Handling

• Hazard: Highly corrosive; causes severe burns to skin, eyes, and mucous membranes. Toxic if ingested or inhaled.
• Precautions: Handle only in a chemical fume hood with proper ventilation. Avoid contact with skin and eyes. Wear alkali-resistant gloves, face shield, goggles, and protective clothing.
• Storage: Store in tightly sealed, corrosion-resistant containers. Keep in a cool, dry, and well-ventilated area, away from acids and oxidizers. Avoid contact with carbon dioxide and moisture.
• Disposal: Dispose of according to institutional and national regulations for hazardous alkaline waste. Neutralize cautiously before disposal.

Price in Bangladesh

Available in 100 mL, 250 mL, 500 mL, and 1 L laboratory-grade bottles.
Bulk and custom volumes available on request for industrial and R&D applications.
Special pricing offered for universities and semiconductor research facilities.

Why Choose Tetramethyl Ammonium Hydroxide Solution 25% (06220) from M/S Bright Scientific Co.?

• High-purity (≥99%) aqueous TMAH solution with consistent quality.
• Formulated for semiconductor, laboratory, and industrial-grade applications.
• Supplied in corrosion-resistant, safety-sealed bottles.
• Nationwide supply network across Bangladesh with competitive rates.
• Trusted by laboratories, universities, and high-tech manufacturing industries.

Contact Information

M/S Bright Scientific Co.
📞 Phone: 01711285976