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Disodium Phosphate
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Glacial Acetic Acid Food Grade
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Glacial Acetic Acid Tech grade
$ 3.00 Original price was: $ 3.00.$ 2.16Current price is: $ 2.16.
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Glacial Acetic Acid Tech grade is a clear, colorless liquid with a pungent vinegar-like odor. It is a less refined form of acetic acid primarily used for industrial and technical applications rather than food or pharmaceutical uses. Typically available in concentrations ranging from 80% to glacial (99-100%), it serves as a crucial chemical reagent, solvent, and intermediate in various industrial processes.
Description
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Glacial Acetic Acid Tech grade
Primary Uses
- Chemical Manufacturing and Industrial Synthesis
- Intermediate in chemical production: Used to synthesize esters (e.g., ethyl acetate, butyl acetate), acetic anhydride, vinyl acetate monomer (VAM), and acetamide.
- Plastic and polymer industry: Employed in the production of cellulose acetate (used in photographic films, coatings, and plastics).
- Rubber processing: Acts as a coagulant in natural rubber latex processing.
- Dye and pigment production: Utilized as a reagent or solvent in the synthesis of dyes, pigments, and ink components.
- Textile Industry
- Dyeing and finishing agent: Used to adjust pH during dyeing processes and enhance dye uptake and fixation on fabrics.
- Scouring and desizing agent: Helps remove starch and other sizing agents from yarns and fabrics before dyeing.
- Cleaning textile equipment: Acts as a descaling and cleaning agent in textile machinery.
- Leather and Tanning Industry
- pH control in tanning: Used in pickling and tanning steps to maintain appropriate acidity levels.
- Softening and fatliquoring processes: Improves the flexibility and texture of hides during processing.
- Agricultural and Veterinary Use
- Silage preservative: Used in diluted form to inhibit mold and microbial spoilage during fodder fermentation.
- pH regulator in pesticides and herbicides: Adjusts formulation pH for better stability and efficacy.
- Natural herbicide component: Included in organic weed control solutions due to its ability to burn plant tissue.
- Antimicrobial for animal housing: Used in disinfectant solutions for cleaning animal pens and tools.
- Cleaning and Maintenance Applications
- Industrial descaler: Removes limescale and mineral deposits from machinery, pipelines, and boilers.
- Degreasing agent: Helps in removing oil and greasy residues from metal surfaces during pre-treatment processes.
- Sanitizing agent in breweries and dairies: Used for cleaning fermentation vessels, tubing, and equipment (non-food contact surfaces only).
- Paints, Coatings, and Adhesives
- Solvent carrier: Functions as a solvent for paints, adhesives, varnishes, and sealants.
- pH control in formulations: Used in coatings and resins to manage acidity during processing.
Secondary Uses
- Water Treatment
- pH adjustment: Occasionally used to control alkalinity and scaling in industrial water treatment systems.
- Electronics Industry
- Etching agent: Involved in the preparation of metal surfaces for microelectronic component fabrication.
- Laboratory and Analytical Applications
- Reagent in titrations and synthesis: Used in various chemical reactions and buffer preparations.
- Solvent medium: Occasionally used to dissolve inorganic salts or act as a medium for specific organic reactions.
- Construction and Surface Preparation
- Concrete cleaning: Removes efflorescence, mineral buildup, and rust stains on masonry and concrete surfaces.
- Surface pH control: Prepares concrete or masonry before coating or sealing
KEY PRODUCT FEATURES
1. Basic Identification Attributes
- Chemical Name (IUPAC): Ethanoic acid
- Common/Trade Names:
- Technical-grade acetic acid
- Glacial acetic acid (if ≥99% purity)
- CAS Number: 64-19-7
- HS Code: 2915.21.00 (varies by country)
- Molecular Formula: C₂H₄O₂ (CH₃COOH)
- Synonyms:
- Methanecarboxylic acid
- Ethylic acid
2. Physical & Chemical Properties
- Physical State: Clear, colorless liquid (glacial form solidifies below 16.6°C)
- Color & Odor: Pungent vinegar-like odor; may appear slightly yellow if impure
- Melting Point: 16.6°C (61.9°F)
- Boiling Point: 118.1°C (244.6°F)
- Density: 1.049 g/cm³ (25°C)
- Solubility:
- Miscible in water, ethanol, ether
- pH Level: Strongly acidic (~2.4 at 1.0 M)
- Vapor Pressure: 15.7 mmHg (25°C)
- Flash Point: 39°C (102°F) (closed cup)
- Autoignition Temperature: 427°C (801°F)
- Viscosity: 1.22 mPa·s (25°C)
3. Safety & Hazard Attributes
- Hazard Class (GHS):
- Corrosive (Category 1B)
- Flammable (Category 3, for concentrations >80%)
- Skin/Eye Irritant (Category 1)
- NFPA Ratings:
- Health: 3 | Flammability: 2 | Reactivity: 0
- Exposure Limits:
- OSHA PEL: 10 ppm (25 mg/m³)
- ACGIH TLV: 10 ppm (25 mg/m³)
- Reactivity:
- Corrosive to metals (releases H₂ gas)
- Reacts violently with oxidizers (e.g., chromic acid, permanganates)
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, ventilated area (<25°C)
- Keep away from oxidizers and bases
- Use corrosion-resistant containers (HDPE, stainless steel 316)
- Incompatible Materials:
- Strong bases (e.g., NaOH), nitric acid, peroxides
- Container Type:
- HDPE drums or stainless steel tanks
- Avoid aluminum and copper
- Shelf Life: Indefinite if sealed (but may absorb moisture)
- Special Handling:
- Use nitrile gloves, goggles, and fume hood
- Ground containers to prevent static sparks
5. Regulatory & Compliance Attributes
- Regulatory Status:
- EPA: Listed as a hazardous substance (CERCLA)
- REACH: Registered
- DOT: UN 2789 (Class 8 – Corrosive)
- Hazard Symbols (GHS):
- Corrosion
- Flame (for concentrations >80%)
- Transportation Restrictions:
- UN Number: 2789
- Packing Group: II
- Waste Disposal:
- Neutralize with sodium bicarbonate before disposal
- EPA Hazardous Waste Code: D002 (corrosive)
6. Environmental & Health Impact
- Ecotoxicity:
- LC50 (fish): ~50–100 mg/L
- Readily biodegradable
- Persistence: Breaks down in air/water within days
- Carcinogenicity: Not classified (IARC/NTP)
- Biodegradability: >90% in 28 days (OECD 301B)
SAFETY HANDLING PRECAUTIONS
Safety Precautions
Personal Protective Equipment (PPE)
- Gloves: Chemical-resistant (neoprene, nitrile, or PVC).
- Eye/Face Protection: Goggles + face shield (mandatory for concentrated acetic acid).
- Respiratory Protection: NIOSH-approved respirator (organic vapor cartridge) if ventilation is inadequate.
- Body Protection: Chemical-resistant apron or suit (for large spills/high concentrations).
Handling & Storage
- Ventilation: Use in a fume hood or well-ventilated area.
- Static Electricity Prevention: Ground and bond containers to avoid sparks.
- Incompatible Materials: Keep away from:
- Oxidizers (e.g., nitric acid, hydrogen peroxide) → violent reactions.
- Bases (e.g., sodium hydroxide) → exothermic neutralization.
- Metals (e.g., aluminum, zinc) → corrosion & hydrogen gas release.
- Storage:
- Sealed, corrosion-resistant containers (HDPE, stainless steel, or glass-lined tanks).
- Cool, dry, well-ventilated area away from sunlight and heat sources.
- Flammable storage cabinet (if ≥80% concentration).
Hygiene Measures
- No eating, drinking, or smoking in handling areas.
- Emergency shower & eyewash station must be accessible.
- Wash hands thoroughly after handling.
First Aid Measures
Inhalation (Vapors/Fumes)
- Move to fresh air immediately.
- If breathing is difficult, administer oxygen and seek medical help.
- If unconscious, perform CPR (if trained) and call emergency services.
Skin Contact
- Remove contaminated clothing immediately.
- Rinse with plenty of water for ≥15 minutes.
- Apply soap to remove residual acid.
- Seek medical attention if burns or irritation persist.
Eye Contact
- Immediately flush eyes with water for ≥15 minutes (hold eyelids open).
- Do NOT rub eyes.
- Seek emergency medical care (risk of corneal damage).
Ingestion
- Do NOT induce vomiting (risk of esophageal burns).
- Rinse mouth with water.
- Drink milk or water to dilute (if conscious).
- Seek immediate medical attention.
Firefighting Measures
Fire Hazards
- Highly flammable (≥80% concentration, flash point 39°C / 102°F).
- Vapors can form explosive mixtures with air.
- Decomposes at high temps, releasing flammable gases (CO, CO₂).
Extinguishing Media
✔ Alcohol-resistant foam
✔ CO₂
✔ Dry chemical powder
✔ Water spray (to cool containers, not direct jet—may spread flames).
Firefighting Precautions
- Wear SCBA (self-contained breathing apparatus) and full protective gear.
- Evacuate area—vapors travel and can ignite.
- Cool nearby containers with water spray to prevent explosion.
- Do NOT extinguish flames unless leak is stopped (risk of re-ignition).
Spill & Leak Control
- Small Spills:
- Neutralize with sodium bicarbonate (baking soda) or calcium carbonate.
- Absorb with inert material (vermiculite, sand).
- Dispose as hazardous waste.
- Large Spills:
- Evacuate area.
- Use acid-resistant PPE.
- Contain spill with barriers (clay, sandbags).
- Ventilate area to disperse vapors.
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