Description

Description

  • Key performance benefit: Acetic Acid, Glacial, Electronic Grade is essential for etching solutions in semiconductor chip production due to its extremely low metal content. Its high purity level of ≥99.7% ensures optimal performance in sensitive electronic applications, minimizing the risk of contamination.
  • Material & construction: This product is a colorless, pungent-smelling liquid, known for its hygroscopic nature. It is anhydrous, forming dimers linked by hydrogen bonds, which contribute to its stability and effectiveness in various chemical processes.
  • Risk reduction/compliance benefit: With a quality level of 200 and ACS reagent grade, this acetic acid meets stringent standards for electronic applications, reducing the risk of impurities that could compromise sensitive electronic components.
  • Protection level: The product's low impurity levels, including ≤0.01% acetic anhydride and ≤0.001% evaporation residue, ensure high protection against contamination. It also passes tests for Cr2O72- and MnO4- as reducing agents, enhancing its reliability in critical applications.
  • Comfort & usability: The liquid form of this acetic acid allows for easy handling and precise measurement, making it user-friendly for laboratory and industrial settings. Its solubility in water (602.9 g/l at 25 °C) facilitates its integration into various chemical processes.
  • Safety & compliance assurance: The product's low pH of 2.5 and compliance with ACS reagent standards ensure it adheres to safety and quality guidelines, assuring users in high-stakes environments.

Recommended For

  • Semiconductor chip etching
  • Sensitive electronics manufacturing
  • Oxidation reaction solvent
  • Synthetic peptide analysis
  • Peroxyacetic acid preparation
  • Mass spectrometry applications

Available Variants

  • Acetic Acid, Glacial, Electronic Grade (SKU: A1001-1GL)
  • Acetic Acid, Glacial, Electronic Grade (SKU: A1001-1GL-CS4)

Primary Industries

  • Semiconductor manufacturing
  • Electronics fabrication
  • Chemical synthesis
  • Analytical laboratories
  • Industrial cleaning

Standards and Certifications

  • ACS reagent grade
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Properties

Assay ≥99.7%
Form Liquid
Vapor density 2.07 (vs air)
Vapor pressure 11.4 mmHg (20 °C)
Autoignition temperature 800 °F
Explosive limits 16% at 92 °F, 4% at 59 °F
Impurities ≤0.0004 meq/g Titr. base, ≤0.01% acetic anhydride
Evaporation residue ≤0.001%
Color APHA ≤10
Refractive index n20/D 1.371 (lit.)
pH 2.5 (20 °C, 50 g/L)
Boiling point 117-118 °C (lit.)
Melting point 16.2 °C (lit.)
Solubility Water soluble (602.9 g/l at 25 °C)
Density 1.04 g/mL at 25 °C (lit.)
Anion traces Chloride (Cl-): ≤1 ppm, Sulfate (SO42-): ≤1 ppm
Cation traces Fe: ≤0.2 ppm, Heavy metals: ≤0.5 ppm (by ICP)

FAQs

What is electronic grade glacial acetic acid used for?

Electronic grade glacial acetic acid is primarily used in semiconductor manufacturing and high-precision electronics fabrication. It serves as an etching and cleaning solvent where ultra-low metal contamination is critical. It is also used in analytical chemistry and advanced synthesis processes that require consistent purity and minimal ionic interference in application environments.

Why is low metal content important?

Low metal content is essential in electronic-grade chemicals because trace metals can disrupt semiconductor performance, cause defects, and reduce yield. Even ppm-level contamination affects conductivity and circuit reliability. Ultra-pure reagents ensure process stability, improve device longevity, and support precision manufacturing in sensitive electronic and analytical applications across industry settings.

How should it be stored?

Store glacial acetic acid in a tightly sealed container in a cool, well-ventilated area away from heat sources, oxidizers, and incompatible materials. Maintain temperatures above its freezing point to prevent solidification. Use corrosion-resistant containers and ensure secondary containment to safely prevent leaks and exposure in laboratory or industrial environments.

What makes this grade different from reagent grade?

Electronic-grade glacial acetic acid is purified to significantly lower metal and ionic impurity levels than standard reagent-grade chemicals. It meets stricter specifications for semiconductor and microelectronics applications, ensuring minimal contamination risk, higher process reliability, and compatibility with ultra-sensitive manufacturing environments that require compliance with extreme chemical purity standards.

Is it suitable for semiconductor manufacturing?

Yes, electronic grade glacial acetic acid is specifically formulated for semiconductor manufacturing processes such as wafer etching, cleaning, and surface preparation. Its extremely low metal-ion content and high purity reduce defect risk, improve yield consistency, and support advanced fabrication environments that require strict contamination control in electronic manufacturing systems.