

Tetrasodium EDTA
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Tetrasodium EDTA , also known as ethylenediaminetetraacetic acid tetrasodium salt, is a chemical compound commonly used in various industrial and commercial applications. It is a chelating agent, meaning it has the ability to bind and capture metal ions, thus preventing them from reacting with other substances or causing unwanted effects.
A concise definition of tetra sodium EDTA would be:
“Tetra sodium EDTA is a water-soluble salt derived from ethylenediaminetetraacetic acid, used as a chelating agent to bind and sequester metal ions, serving purposes such as metal complexation, stabilization, and preventing undesired chemical reactions.”
Tetrasodium EDTA Uses
Primary Uses of Tetrasodium EDTA
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Cleaning Products & Detergents
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Water Softening: Binds calcium and magnesium ions in hard water, improving soap and detergent efficiency.
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Stain Removal: Helps break down metal-based stains (rust, lime scale) in laundry and dishwashing detergents.
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Preservative Booster: Extends shelf life by preventing microbial growth in liquid cleaners.
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Cosmetics & Personal Care
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Stabilizer: Prevents discoloration and rancidity in shampoos, lotions, and creams by chelating metal contaminants.
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Foam Booster: Enhances lather in soaps and body washes.
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Preservative Aid: Supports other preservatives (e.g., parabens) in skincare products.
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Pharmaceuticals & Medicine
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Anticoagulant: Used in blood collection tubes (binds calcium to prevent clotting).
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Topical Medications: Stabilizes ointments and creams by inhibiting metal-catalyzed degradation.
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Food Industry
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Preservative (INS 386): Prevents oxidation and discoloration in canned foods, dressings, and beverages.
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Color Retention: Maintains vibrancy in processed foods (e.g., pickles, soft drinks).
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Industrial Applications
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Boiler & Cooling Systems: Prevents scale formation by sequestering metal ions.
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Textile Processing: Improves dye uptake and brightness by removing metal impurities.
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Paper Manufacturing: Enhances bleaching efficiency and reduces yellowing.
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Secondary Uses of Tetrasodium EDTA
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Photography
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Used in developing solutions to prevent metal interference in film processing.
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Agriculture
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Micronutrient Fertilizers: Keeps metal ions soluble for better plant absorption.
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Oil & Gas Industry
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Drilling Fluids: Controls metal ions that affect fluid viscosity.
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Adhesives & Sealants
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Prevents premature curing by chelating metal catalysts.
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Water Treatment
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Removes heavy metals (e.g., lead, mercury) in wastewater remediation.
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APPEARANCE |
Crystalline |
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AVAILABLE PACK SIZE |
25kg( Metal or Plastic Jerrycan/ Bucket, Bag, Box, Polythene bag, Carton bag) |
COUNTRIES OF ORIGIN |
CHINA |
- Basic Identification Attributes
- Chemical Name (IUPAC): Tetrasodium 2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate
- Common/Trade Names:
- EDTA-4Na
- Tetrasodium edetate
- Versene 100XL (Dow)
- CAS Number: [64-02-8] (anhydrous), [13235-36-4] (dihydrate)
- HS Code: 2922.49.90 (Other amino-acids and esters)
- Molecular Formula: C₁₀H₁₂N₂Na₄O₈ (anhydrous)
- Synonyms:
- Edetate tetrasodium salt
- EDTA tetrasodium
- N,N'-1,2-Ethanediylbis[N-(carboxymethyl)glycine] tetrasodium salt
- Physical & Chemical Properties
- Physical State: White crystalline powder
- Color & Odor: Odorless; white to off-white
- Melting Point: >300°C (decomposes)
- Density: 1.46 g/cm³ (anhydrous)
- Solubility:
- Water: 103 g/100 mL (25°C)
- Insoluble in organic solvents (ethanol, acetone)
- pH Level: 10.5–11.5 (1% aqueous solution; strongly alkaline)
- Vapor Pressure: Negligible
- Thermal Stability: Stable to 150°C; decomposes at higher temps
- Safety & Hazard Attributes
- Hazard Class (GHS):
- Skin/Eye Irritation (Category 2) (H315/H319)
- Acute Toxicity (Oral, Category 4) (H302)
- NFPA Ratings:
- Health: 1 | Flammability: 0 | Reactivity: 0
- Exposure Limits:
- OSHA PEL: N/A (dust control recommended)
- ACGIH TLV: 1 mg/m³ (respirable dust)
- Reactivity:
- Strong chelating agent - reacts with metal ions (Ca²⁺, Mg²⁺, Fe³⁺)
- Incompatible with strong oxidizers, heavy metals
- Storage & Handling Attributes
- Storage Conditions:
- Tightly sealed containers in cool, dry place
- Protect from moisture (hygroscopic)
- Incompatible Materials:
- Metal salts, aluminum containers
- Strong acids (may release EDTA acid)
- Container Type:
- HDPE or lined fiber drums
- Shelf Life: ≥5 years if stored properly
- Special Handling:
- Use NIOSH-approved dust mask for powder handling
- Chemical goggles and nitrile gloves recommended
- Regulatory & Compliance Attributes
- Regulatory Status:
- FDA: Approved as food additive (21 CFR 172.135)
- EPA: Listed under TSCA
- EU: Approved in cosmetics (up to 0.2% in rinse-off)
- REACH: Registered
- Hazard Symbols: ⚠️ (Irritant)
- Transportation:
- Not classified as dangerous goods (non-hazardous for transport)
- Waste Disposal:
- Neutralize and dispose as non-hazardous waste
- Environmental & Health Impact
- Ecotoxicity:
- LC50 (fish): >100 mg/L (low acute toxicity)
- BOD₅: <0.1% (not readily biodegradable)
- Persistence:
- High (forms stable metal complexes; resists degradation)
- Human Health:
- IARC: Not classified
- May chelate essential minerals with chronic exposure
- Low skin absorption but may cause irritation
Personal Protective Equipment (PPE):
- Gloves:Nitrile or neoprene gloves (to prevent skin irritation).
- Eye Protection:Safety goggles or face shield (to avoid eye contact).
- Clothing:Lab coat or protective apron (to prevent skin exposure).
- Respiratory Protection:Dust mask (N95) if handling powder in poorly ventilated areas.
Handling & Storage:
- Work in a well-ventilated areato minimize dust inhalation.
- Avoid skin and eye contact—may cause mild irritation.
- Store in a cool, dry placein tightly sealed containers away from moisture.
- Keep away from strong acids(can release toxic gases).
Hygiene Practices:
- Wash hands thoroughly after handling.
- Do not eat, drink, or smoke near the chemical.
Inhalation (Dust Exposure):
- Move to fresh air
- If breathing difficulty persists, seek medical attention.
Skin Contact:
- Remove contaminated clothing.
- Wash affected area with soap and waterfor at least 15 minutes.
- If irritation develops, consult a doctor.
Eye Contact:
- Rinse eyes with lukewarm waterfor at least 15 minutes (hold eyelids open).
- Seek medical attentionif irritation continues.
Ingestion:
- Rinse mouthwith water.
- Do NOT induce vomiting.
- Give water or milkto drink if conscious (unless advised otherwise by a doctor).
- Seek medical help(may cause gastrointestinal discomfort).
Flammability:
- Non-flammable, but containers may burst in a fire.
Extinguishing Media:
- Use water spray, dry chemical powder, CO₂, or foam(if nearby materials are burning).
Firefighting Procedures:
- Wear self-contained breathing apparatus (SCBA)if in a fire zone.
- Cool containers with water sprayto prevent rupture.
Spill/Leak Response:
- Sweep or vacuum(with HEPA filter) to avoid dust dispersion.
- Avoid washing into drains (environmental hazard).
- Dispose of as hazardous chemical waste.