Disodium EDTA 99%

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Disodium EDTA (Ethylenediaminetetraacetic acid disodium salt) is a white, odorless, crystalline powder known for its strong chelating properties. With a purity of 99%, it is widely used across numerous industries to bind metal ions, improve stability, and enhance performance in formulations. Disodium EDTA is highly soluble in water, slightly acidic to neutral in solution, and stable under standard storage conditions. Its ability to sequester metal ions like calcium, magnesium, and iron makes it a critical additive in food, pharmaceuticals, cosmetics, water treatment, and industrial applications.

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Categories: Antioxidants(cosmetic), Builders, Chelating Agents, Excipients, Preservatives, Preservatives(food) Tags: Cosmetic ingredients, Disodium EDTA, EDTA Disodium Salt, Food additives, Pharmaceutical excipients, Water softener, Water treatment chemicals

Description

Disodium EDTA 99% Uses

Table of Contents

Primary Uses

Food & Beverage Industry

Acts as a chelating agent to bind metal ions that catalyze oxidation, thus extending shelf life.
Preserves color, flavor, and texture in canned foods, dressings, and soft drinks.
Stabilizes fats and oils to prevent rancidity in margarine and salad dressings.
Approved as a sequestrant (E386) in many food systems.

Pharmaceuticals & Healthcare

Used in ophthalmic solutions to enhance stability and increase shelf life.
Functions as a stabilizer in various injectable and topical formulations.
Assists in chelation therapy for heavy metal poisoning (as part of broader EDTA formulations).
Included in mouthwashes and dental rinses to prevent calculus formation.

Cosmetics & Personal Care

Commonly used in shampoos, conditioners, soaps, and lotions to improve stability by binding metal ions.
Enhances the effectiveness of preservatives and prevents discoloration or rancidity in formulations.
Helps maintain clarity and consistency in emulsions.

Water Treatment

Chelates hardness ions such as calcium and magnesium, improving water softening efficiency.
Prevents scale formation and fouling in cooling towers, boilers, and reverse osmosis systems.
Used in analytical water testing to determine metal ion content.

Cleaning Products & Detergents

Boosts cleaning efficiency by binding metal ions that interfere with surfactants.
Helps prevent re-deposition of dirt in laundry detergents.
Stabilizes bleach formulations and prevents spotting in dishwashing agents.

Industrial Applications

Used in textile processing for removing metal ions that affect dyeing processes.
Plays a role in pulp and paper manufacturing to reduce metal ion contamination.
Utilized in electroplating and metal cleaning formulations to enhance metal solubility.

Secondary Uses

Laboratory Reagent

Used in buffer and solution preparation for biochemical and analytical assays.
Employed in titrations to determine concentrations of metal ions.

Agriculture

Part of micronutrient fertilizers as a chelating agent to enhance plant absorption of metal nutrients (Fe, Zn, Cu, Mn).
Used in soil and foliar treatments to prevent micronutrient deficiencies.

Photography

Included in photographic developing solutions to chelate metal ions that may affect image quality.

Animal Feed

Acts as a stabilizer and preservative in vitamin and mineral premixes.

PRODUCT KEY FEATURES

Key Attributes

Basic Identification Attributes

Chemical Name (IUPAC): Disodium ethylenediaminetetraacetate
Common/Trade Name: Disodium EDTA
CAS Number: 139-33-3
HS Code: 2921.51.00
Molecular Formula: C₁₀H₁₄N₂Na₂O₈·2H₂O (dihydrate form)
Synonyms:
- EDTA Disodium Salt
- Disodium Ethylenediaminetetraacetate
- EDTA-Na₂

Physical & Chemical Properties

Physical State: White crystalline powder
Odor: Odorless
Melting Point: ~242°C (decomposes)
Solubility: Freely soluble in water; insoluble in ethanol and ether
pH (1% solution): Approximately 4.0–6.0
Stability: Stable under normal storage conditions; hygroscopic

Safety & Hazard Attributes

Hazard Class (GHS): Not classified as hazardous under GHS
Toxicity: Low acute toxicity; generally regarded as safe at approved levels
Exposure Limits: No specific occupational exposure limits established

Storage & Handling Attributes

Storage Conditions: Store in a cool, dry place away from moisture and strong oxidizers
Container Type: Fiber drums, paper bags with PE liners, HDPE containers
Shelf Life: Typically 2–3 years if stored properly
Handling Precautions: Use appropriate PPE to avoid skin and eye contact; minimize dust exposure

Regulatory & Compliance Attributes

Approved for use in food, pharmaceuticals, and cosmetics globally
Listed in USP, EP, FCC (Food Chemicals Codex)
Compliant with REACH and other international chemical inventories (TSCA, EINECS)

Environmental & Health Impact

Ecotoxicity: Low to moderate; avoid direct discharge into aquatic systems
Persistence: Biodegradable under aerobic conditions
Bioaccumulation: Not expected

Carcinogenicity/Mutagenicity: Not classified

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required:

Dust mask or respirator (if dusting occurs)
Safety goggles or face shield
Nitrile or latex gloves
Protective lab coat or apron

Handling Guidelines:

Handle in a well-ventilated area
Avoid inhalation of dust and contact with skin or eyes
Use dust suppression during bulk handling

Storage Measures:

Keep container sealed and dry
Avoid exposure to moisture and incompatible substances (e.g., strong acids)
Store in tightly closed, labeled containers

Hygiene Practices:

Wash hands after handling
Do not eat, drink, or smoke during handling
Clean up spills promptly to avoid residue buildup

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if irritation occurs
Skin Contact: Wash thoroughly with soap and water; seek medical advice if irritation persists
Eye Contact: Rinse immediately with water for at least 15 minutes; consult a physician
Ingestion: Rinse mouth; seek medical attention if large amounts are ingested

Firefighting Measures

Fire Hazards: Not flammable or combustible
Extinguishing Media: Use water spray, dry chemical, CO₂, or foam for surrounding fire
Special Precautions: Use standard protective equipment

Decomposition Products: May release carbon oxides and nitrogen oxides at high temperatures