Glacial Acetic Acid Chang Chun Taiwan – Acetic Acid Technical Grade (30Kg Carboy)
Glacial Acetic Acid Tech Grade Chang Chun (Taiwan), commonly referred to as industrial acetic acid (GAA), is a short-chain carboxylic acid with the chemical formula CH₃COOH, manufactured by Chang Chun Petrochemical Co., Ltd. (Taiwan). Featuring a guaranteed assay of minimum 99.0 wt%, a freezing point of ≥ 14.0°C, and a specific gravity of 1.049 – 1.056 (20/4°C), the product appears as a clear, colorless liquid with a characteristic pungent odor and complete water solubility. It serves as an essential polar solvent, dyebath acidulant, coagulant, and pH buffer across the textile dyeing, natural rubber, electroplating, industrial cleaning, and polymer synthesis industries.
Technical Specifications – Glacial Acetic Acid Chang Chun Petrochemical (Taiwan)
| Analytical Parameters & Identification | Technical Specifications (Chang Chun TDS) |
|---|---|
| Commercial Name / Active Substance | Glacial Acetic Acid (GAA) / Industrial Acetic Acid / Ethanoic Acid |
| Manufacturer / Country of Origin | Chang Chun Petrochemical Co., Ltd. – Made in Taiwan |
| Molecular Formula / Molecular Weight | CH₃COOH | M = 60.05 g/mol |
| CAS No. & UN Transport Code | CAS: 64-19-7 | UN 2789 (Hazard: Class 8 Corrosive + Class 3 Flammable Liquid, PG II) |
| Appearance | Clear, colorless liquid, free from suspended matter (Clear & Free) |
| Color (APHA No.) | Max 30 |
| Specific Gravity (20/4°C) | 1.049 – 1.056 |
| Assay as CH₃COOH | Min 99.0 wt% |
| Freezing Point | Min 14.0°C |
| Solubility in Water | Clear, colorless solution |
| Nonvolatile Residue | Max 0.01 wt% (Max 100 ppm) |
| Heavy Metals (as Pb) | Max 0.001 wt% (Max 10 ppm) |
| Sulfate Content (as SO₄²⁻) | Max 0.0019 wt% (Max 19 ppm) |
| Chloride Content (as Cl⁻) | Max 0.00036 wt% (Max 3.6 ppm) |
| Standard Distribution Packaging | 30 Kg Net Grey HDPE Carboy / 210 Kg Drum / 1050 Kg IBC Tank |
Key Technological Properties & Advantages of Chang Chun GAA
- Ultra-Low Inorganic Impurities: Controlling Sulfate to ≤ 0.0019 wt% and Chloride to ≤ 0.00036 wt% significantly mitigates localized pitting corrosion on stainless steel equipment and prevents ionic contamination during organic synthesis.
- Stable Organic Acid Buffering: Operating as a weak monoprotic carboxylic acid (pKa ≈ 4.76), it forms a dependable pH buffer system. It neutralizes residual alkalis steadily without inducing pH shock or degrading natural fibers like strong mineral acids (H₂SO₄, HCl).
- Natural Glacial Crystallization: Backed by an assay of ≥ 99.0 wt%, the liquid exhibits a natural freezing point of ≥ 14.0°C, crystallizing into transparent ice-like plates during cold weather. This physical phase transition is reversible upon gentle warming without affecting chemical properties.
- Strong Polar Solvent Capability: Infinitely miscible with water, alcohols, and ethers, it provides an optimal reaction medium for esterification, oxidation, and acetylation processes.
Practical Industrial Applications across Key Sectors
Engineered to Chang Chun Petrochemical's dependable industrial standards, Glacial Acetic Acid Tech Grade serves essential manufacturing processes:
- Textile Dyeing & Fabric Finishing: Neutralizes alkaline residues (NaOH) following scouring and mercerizing; functions as a leveling dyebath acidulant that facilitates uniform fixation of acid and disperse dyes on wool, silk, cotton, and polyester fibers without lowering tensile strength.
- Natural Rubber Latex Coagulation: Acts as a controlled latex coagulant, ensuring homogeneous coagulation from core to surface, maintaining physical elasticity, and preventing premature aging of raw rubber.
- Chemical, Polymer & Adhesive Synthesis: Essential raw material for producing Vinyl Acetate Monomer (VAM – the foundation of PVAc wood glues, EVA resins, and waterborne paints), industrial ester solvents (Ethyl Acetate, Butyl Acetate), and cellulose acetate fibers.
- Metal Electroplating & Surface Finishing: Utilized in inorganic descaling baths, oxide film strippers, and pH buffering formulations for industrial copper and nickel plating baths.
- Agrochemicals & Industrial Cleaners: Formulated as a polar solvent and pH regulator in industrial descalers, pipeline cleaners, and pesticide formulation intermediates.
Safe Handling, Dilution Protocol & Warehouse Storage
- Personal Protective Equipment (PPE): Classified as a dual hazard chemical (Class 8 Corrosive + Class 3 Flammable Liquid). Operators must wear splash goggles or a full face shield, heavy-duty butyl rubber gloves, an organic vapor respirator, a chemical apron, and boots. Dispensing must occur in well-ventilated areas.
- Mandatory Dilution Protocol: Always adhere to the principle of slowly pouring acid into water while stirring gently. Never add water directly to concentrated acid to prevent localized exothermic boiling and hazardous chemical splashing.
- Storage Conditions: Store in dedicated high-density polyethylene (HDPE) carboys, composite drums, or SUS 316 stainless steel tanks. Avoid carbon steel, zinc, or mild steel containers as corrosion generates flammable hydrogen gas. Keep away from heat, sparks, open flames, and strong oxidizers.
⚠️ CHEMICAL SAFETY WARNING (GHS DANGER - UN 2789, CLASS 8 & CLASS 3, PG II):
• Hazards: Flammable liquid and vapor. Causes severe skin burns and serious eye damage. Concentrated vapors cause acute respiratory irritation.
• Skin Contact: Immediately remove contaminated garments and flush skin with plenty of clean running water for at least 15 minutes.
• Eye Contact: Rinse cautiously with clean water or an emergency eyewash station for at least 15 minutes, then seek immediate medical care.
• Grade Limitation: This is a Technical Grade chemical intended strictly for industrial applications (textiles, rubber, electroplating). Never use this product in food processing, culinary vinegar, or pharmaceutical applications.
Supply Policy for Chang Chun Acetic Acid at THP Chemical
Tan Hung Phu Chemical Co., Ltd. (THP Chemical) is a reliable distributor of Glacial Acetic Acid Tech Grade Chang Chun (Taiwan), supplying manufacturing plants nationwide:
- Consistent quality compliant with Chang Chun Petrochemical's official technical data sheet (TDS).
- Multiple packaging options available from stock: 30 Kg Net grey HDPE carboys, 210 Kg drums, 1050 Kg IBC tanks, or bulk road tankers.
- Full provision of batch-specific Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), and official VAT invoices.
- Standardized central warehousing in Ho Chi Minh City ensuring steady supply and prompt, safe nationwide delivery.
Frequently Asked Questions (FAQ)
1. What is the operational significance of the Freezing Point ≥ 14.0°C?
A freezing point of ≥ 14.0°C is characteristic of high-purity acetic acid (≥ 99.0 wt%). When ambient storage temperatures fall below 14.0°C, the product naturally solidifies into an ice-like mass. If frozen, gently warm the container in a heated room or water bath (< 40°C); thawing does not compromise chemical quality.
2. How do low Chloride and Sulfate levels benefit industrial processes?
With Chloride capped at Max 0.00036 wt% (3.6 ppm) and Sulfate at Max 0.0019 wt% (19 ppm), the acid significantly reduces the risk of pitting corrosion in stainless steel piping and prevents unwanted catalytic poisoning during ester solvent synthesis.
3. Why is acetic acid preferred over strong mineral acids in textile dyeing?
Acetic acid provides a mild, self-buffering pH profile that facilitates steady dye exhaustion onto fibers without causing sudden pH drops. Crucially, it does not hydrolyze or tender natural cotton or wool fibers unlike sulfuric or hydrochloric acids.
4. Can this Technical Grade product be used for culinary vinegar production?
No. This product is strictly an industrial Technical Grade chemical formulated for manufacturing, dyeing, and electroplating. For food or beverage applications, please contact THP Chemical for certified Food Grade Acetic Acid (E260) with complete food safety certification.
Textile dyehouses, rubber processing facilities, and chemical plants seeking wholesale quotations for Glacial Acetic Acid Chang Chun Tech Grade (30 kg Carboy / Drum / IBC Tank), or requesting batch COA and MSDS documentation, please contact our Sales Division directly:
Công ty TNHH Hóa Chất Tân Hưng Phú (THP Chemical)
Hotline / Zalo:
0913 711 647
Email:
tanhungphu@thpchemical.com
