Tetra Methyl Ammonium Hydroxide

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MOQ : 50 Kilograms

Tetra Methyl Ammonium Hydroxide Specification

Storage Instructions
Store in tightly closed container, away from heat and light, at room temperature

Density
1.07 Gram per cubic centimeter(g/cm3)

Physical State
Liquid

Usage
Used in microelectronics, pharmaceuticals, photoresist developer, silicon wafer etching

Molecular Weight
91.15 g/mol

Purity
>99% (as TMAH)

Boiling point
100C (approx., aqueous solution)

Packaging Type
HDPE Drum, IBC Tank, Jerry Can

Shelf Life
12 months

Size
Typically available in 25L, 50L, 200L packs

Molecular Formula
C4H13NO

Grade
Electronic Grade

Appearance
Colorless to pale yellow liquid

Purity(%)
25%, 30%, 35% (by wt. in H2O)

Tetra Methyl Ammonium Hydroxide Trade Information

Minimum Order Quantity
50 Kilograms

Supply Ability
1 Kilograms Per Week

Delivery Time
1 Week

About Tetra Methyl Ammonium Hydroxide

Tetra Methyl Ammonium Hydroxide

Technical Specifications

CAS NO.	75-59-2
EMPIRICAL FORMULA	C₄H₁₃NO
MOLECULAR WEIGHT	191.15
APPEARANCE	CLEAR COLOURLESS TO LIGHT YELLOW LIQUID
ASSAY (BY TITRATION)	25 % ( + / - 1% )

Exceptional Purity for Precision Applications

Tetra Methyl Ammonium Hydroxide is crafted to meet the stringent demands of electronic manufacturing and semiconductor industries. Its electronic grade quality, boasting over 99% purity as TMAH, ensures optimal performance in sensitive processes like silicon wafer etching and photoresist developing. This high degree of consistency and reliability makes it indispensable for advanced technological applications.

Versatile Packaging and Usage Flexibility

Choose from several convenient packaging sizesincluding 25L, 50L, and 200L optionsto suit your distribution, storage, and handling needs. The compatibility of TMAH with various packaging types enhances operational flexibility for distributors, exporters, manufacturers, and end-users across India. Its stable liquid form and density of 1.07 g/cm facilitate straightforward integration into industrial workflows.

FAQs of Tetra Methyl Ammonium Hydroxide:

Q: How should Tetra Methyl Ammonium Hydroxide (TMAH) be stored to ensure maximum shelf life?

A: TMAH should be stored in tightly closed containers made from HDPE or compatible materials, away from heat and light at room temperature. Proper storage under these conditions preserves its quality and extends shelf life up to 12 months.

Q: What applications benefit most from using Electronic Grade TMAH?

A: Electronic Grade TMAH is primarily used in microelectronics, photoresist development, silicon wafer etching, and pharmaceutical manufacturing due to its high purity and consistency, ensuring reliable and precise results in sensitive processes.

Q: When is TMAH typically utilized in silicon wafer processing?

A: TMAH is commonly employed during the etching and cleaning stages of silicon wafer fabrication, where its selective etching properties help achieve intricate patterning necessary for modern semiconductor devices.

Q: Where can TMAH be sourced in India and in what packaging sizes?

A: Tetra Methyl Ammonium Hydroxide is distributed, exported, and supplied throughout India by manufacturers, traders, and wholesalers. It is available in 25L, 50L, and 200L packs, usually delivered in HDPE drums, IBC tanks, or jerry cans.

Q: What is the typical process for using TMAH as a photoresist developer?

A: TMAH is employed as an aqueous solution to develop photoresist patterns after exposure in lithographic processes. Its high purity ensures clean development and precise transfer of patterns onto silicon wafers or other substrates.

Q: Can you highlight the main benefit of using high-purity TMAH in microelectronics manufacturing?

A: Using high-purity (electronic grade) TMAH minimizes the risk of contamination, leading to higher yields and more reliable performance in the fabrication of intricate microelectronic devices.

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