An etching agent is a chemical used in the semiconductor etching process to selectively remove or strip away the target film layer, creating a designed pattern. Wet etching is one of the most important techniques used in this process, relying on a chemical reaction between the etching agent and the target film layer to achieve precise results. Each type of film layer has a specifically tailored etchant to ensure optimal performance.
Applications
Etching agents are primarily used in two key industries: integrated circuit manufacturing and flat panel display production.
Nitric acid (HNO3) is a strong and highly corrosive mineral acid with the chemical formula HNO3. It is a colorless liquid with a pungent odor and is a key chemical in various industrial and laboratory applications. Nitric acid is widely used in the production of fertilizers, explosives, and chemicals, including nitrate salts and plastics. In the laboratory, it is a common reagent for various chemical reactions and analyses. Nitric acid also plays a vital role in metal processing, particularly for etching and cleaning metals, as well as in the production of electronics and semiconductors. Its corrosive properties, reactivity, and versatility make nitric acid a fundamental compound in numerous industrial processes and scientific research.
Ferric Chloride 38-42% Solution is a light brown aqueous solution with a slight hydrochloric acid odor. It is highly corrosive to most metals and noncombustible. It is primarily used in water and waste water treatment as a flocculant, but it's also used as a chemical intermediate in metal treating, as an etching agent in printed circuit boards and electronics and odor control. Functions Flocculant Etching Agent Chemical Intermediate Sales Specification Appearance: Dark Brown Liquid FeCl3: 38-42% Fe(III): 13.1-14.5% Fe(II):
Hydrofluoric Acid 49% Solution is a colorless liquid. Hydrofluoric Acid, 49% Solution, contains 49% Hydrofluoric Acid mixed with a balanced quantity of Water. It can be used for the electronic industry to perform cleaning of silicon wafers and etching of semiconductors, as these delicate applications require ultra-purified solvents. Hydrofluoric acid is used in a variety of over-the-counter products such as toilet bowl cleaners, concrete cleaners, and metal polishes. However, the uses for industrial applications are far more numerous. hydrofluoric acid is used for quartz purification, glass etching, refrigerant manufacturing, pharmaceuticals, high octane gasoline, aluminum production, plastics, electrical components, and fluorescent light bulbs. Specifications Appearance: Clear liquid. Hydrofluoric Acid: 49% Min Fluorosilicic Acid (H2SiF6): 0.5% Max Sulfur Dioxide: 0.007% Max Sulfuric Acid (H2SO4): 0.08% Max Packing 500/507.508 lb drum, 4 drums per pallet DOT Transportation UN/NA: UN1790 Proper Shipping Name: Hydrofluoric acid Hazard Class: 8 (6.1) Packing Group: II RQ CERCLA/SARA Section 313 Reportable 100 lbs
Application: 1. Used as liquid ammonia stabilizer in refrigeration equipment, rocket propellant, oxidant in pyrotechnic manufacturing, glass etching agent, antistatic agent, molten salt component in metallurgical industry, etc. 2. Used as analytical reagent, dissolving and cooling agent, also used in the manufacture of phosphor. 3. Used in ceramics. Fireworks manufacturing. Molten salt bath. Rocket propellant. freezer. Analysis reagents. 4. Used in the manufacture of phosphors, heat exchange carriers, and other lithium salts. 5. Used as liquid ammonia stabilizer, molten salt component, etc. 6. Mainly used in the electroplating industry, used to make nickel batteries, organic synthesis and production of hardened oil as a catalyst for paint, make other nickel salt raw materials, used for metal coloring, and vat dye mordant.
1. Used as liquid ammonia stabilizer in refrigeration equipment, rocket propellant, oxidant in pyrotechnic manufacturing, glass etching agent, antistatic agent, molten salt component in metallurgical industry, etc. 2. Used as analytical reagent, dissolving and cooling agent, also used in the manufacture of phosphor. 3. Used in ceramics. Fireworks manufacturing. Molten salt bath. Rocket propellant. freezer. Analysis reagents. 4. Used in the manufacture of phosphors, heat exchange carriers, and other lithium salts. 5. Used as liquid ammonia stabilizer, molten salt component, etc. 6. Mainly used in the electroplating industry, used to make nickel batteries, organic synthesis and production of hardened oil as a catalyst for paint, make other nickel salt raw materials, used for metal coloring, and vat dye mordant.
Glycolic acid is a colorless, odorless liquid and the smallest I±-hydroxy acid (AHA). It is used to manufacture adhesives, dye, print, medicines, and crease-proof textiles. Glycolic Acid is also used in leather dyeing, as a tanning agent, in detergents, welding agent, adhesives, plastics, oil well acidification, electroplating, copper pickling, printed wire board flux, soldering products, etching lithographic plates, iron chelating, chemical milling, metal cleaning and demulsifier. Glycolic acid is often included into emulsion polymers, solvents and additives for ink and paint in order to improve flow properties and impart gloss. It is used in surface treatment products that increase the coefficient of friction on tile flooring. It is the active ingredient in household cleaning products like Pine-Sol. Glycolic acid is an outstanding choice for a broad range of cleaning applications due to its dual functional groups, hydroxyl (OH) and carboxyl (COOH). The dual functionality enables exceptional cleaning performance for mineral and hard water scales. Sales Specifications Total Acid: 70%-72% Color Gardner: 3 Max Turbidity, ntu: 6 Max Formic Acid: 1% max Sulfates as S04: 800 ppm Max Iron: 50 ppm Max Appearance: Clear to Light Amber Packing 551.15 lb drum, 4 drums/ pallet 2755.75 lb tote DOT Transportation UN NO. : 3265 PROPER NAME: Corrosive liquid, acidic, organic, n.o.s. (Glycolic acid) HAZARD CLASS: 8 PACKING GROUP: II
It is a white crystal with corrosive to skin and toxic. It is soluble in water and methanol, slightly soluble in ethanol, insoluble in propanone and liquid ammonia. When it is in hot water decomposition will occur to release ammonia and ammonium bifluoride. It is white or colorless transparent orthorhombic crystal at room temperature, with a slightly sour taste. It is easily deliquescent when heated or in hot water and decomposes into ammonia and hydrogen fluoride. Decomposed in hot water, the aqueous solution is strongly acidic. It is obtained by neutralizing anhydrous hydrofluoric acid with liquid ammonia. Mainly used as glass etching agent, wood and wine preservative, disinfectant, zirconium drops reagent and fiber mordant and reagents to extract rare elements. Chemical reagents, glass etchants (used in conjunction with hydrofluoric acid), disinfectants and preservatives in the fermentation industry, solvents for beryllium oxide to beryllium, surface treatment agents for silicon steel sheets, and production of ceramics, magnesium alloys, aluminum alloys, etc., boilers Scale removal and elution of feedwater systems and steam generation systems, acid treatment of oilfield sands, catalysts for alkylation and alkylation of isomerized components.
Gamma-butyrolactone (gbl) Product name: gamma-butyrolactone Cas no: 96-48-0 Chemical formular: c4h6o2 Molecular weight: 86.09 Assay: 99.90% min. Characteristics: Colorless and transparent oily liquid with a smell similar to that of acetone, the boiling point is 204c. It can dissolve mutually with water, acetone, benzene, carbon tetrachloride and alcohol at any proportion. Application: Gbl serves as a chemical intermediate in the manufacture of all pyrrolidones. As an intermediate in the production of vitamins and pharmaceuticals. Used to produce pesticides Photochemical etching Electrolytes of small batteries or capacitors Viscosity modifiers in polyurethanes Surface etching of metal coated plastics Organic paint disbursements for water soluble inks Ph regulators in the dyeing of wool and polyamide fibers Foundry chemistry as a catalyst during curing Curing agents in many coating systems based on urethanes and amides Package: galvanized iron drum of 200kgs net weight Galvanized iron drum of 200kgs net weight
Ferric Chloride Hexahydrate (Solid) Chemical formula: FeCl3· 6H2O CAS No.: 10025-77-1 Purity: 96% Min. Appearance: Yellow solid Packing: 40kg carton Product Origin: Taiwan Ferric Chloride Solution Chemical formula: FeCl3 CAS No.: 7705-08-0 Purity: 40% Min. / 42% Min. Appearance: Brown liquid Packing: 1400 kg IBC drum Product Origin: Taiwan Application: Ferric Chloride is mainly used in water treatment and the manufacturing of printed circuit boards (PCB) for etching process.
