EDTA Tetrasodium Salt

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EDTA Tetrasodium Salt (Ethylenediaminetetraacetic acid tetrasodium salt) is a highly water-soluble chelating agent widely used to bind and sequester metal ions such as calcium, magnesium, iron, and heavy metals. It is the fully neutralized, alkaline form of EDTA, typically supplied as a white granular or powder form. This salt exhibits excellent chelating efficiency at neutral to alkaline pH levels, making it a critical additive in numerous industrial, pharmaceutical, cosmetic, agricultural, and water treatment applications. Its ability to prevent metal-induced degradation and enhance formulation stability makes it invaluable in many sectors.

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Categories: Bleaching Agents, Builders, Chelating Agents, Preservatives, Scale Inhibitors( water) Tags: Cooling Water Treatment, Detergent Builder, EDTA Tetrasodium Salt, Industrial Cleaner, Scale Remover, Soap Stabilizer, Tetrasodium EDTA

Description

EDTA Tetrasodium Salt Uses

Primary Uses

Water Treatment & Industrial Cleaning

Chelates metal ions in water systems to prevent scale formation, corrosion, and discoloration.
Used in detergents and cleaning agents to soften water and improve cleaning efficacy by binding calcium and magnesium ions.
Applied in pulp and paper manufacturing to control metal impurities and enhance process efficiency.

Cosmetics & Personal Care

Commonly included in shampoos, conditioners, creams, lotions, and soaps to stabilize formulations by binding trace metals that can degrade product quality.
Enhances foam stability, texture, and shelf life in personal care products by softening hard water.
Prevents discoloration, rancidity, and degradation of fragrances and active ingredients.

Pharmaceuticals & Medicine

Utilized as a stabilizer to protect active pharmaceutical ingredients from metal-catalyzed oxidation.
Employed in injectable solutions and topical formulations to ensure chemical stability.
Used in chelation therapy formulations for heavy metal detoxification.

Food Industry

Functions as a food additive (E386) approved in some regions to preserve color, flavor, and texture by binding metal ions that catalyze oxidation reactions.
Common in canned vegetables, seafood, and beverages to extend shelf life and maintain product integrity.

Agriculture & Horticulture

Applied in micronutrient fertilizers to chelate iron, zinc, manganese, and copper, increasing their bioavailability to plants.
Helps prevent precipitation of micronutrients in soil and foliar sprays, enhancing nutrient uptake.

Secondary Uses

Analytical Chemistry

Used as a standard chelating agent in complexometric titrations for quantitative analysis of metal ions.

Textile Industry

Acts as a metal ion scavenger to prevent color fading and fabric damage during dyeing and finishing.

Photography

Incorporated in photographic processing solutions to stabilize metal ions.

PRODUCT KEY FEATURES

Basic Identification Attributes

Chemical Name (IUPAC): Tetrasodium 2,2',2'',2'''-(ethane-1,2-diyldinitrilo)tetraacetate
Common/Trade Name: EDTA Tetrasodium Salt
CAS Number: 13235-36-4
HS Code: 2922.49.00
Molecular Formula: C₁₀H₁₂N₂Na₄O₈
Synonyms:
- Tetrasodium EDTA
- EDTA-4Na
- Ethylenediaminetetraacetate tetrasodium salt
- Versene Sodium Salt

Physical & Chemical Properties

Physical State: White granular or crystalline powder
Color & Odor: White; odorless
pH (1% aqueous solution): Typically 10–11 (alkaline)
Solubility: Highly soluble in water; insoluble in most organic solvents
Stability: Stable under normal storage; decomposes above 200°C
Melting Point: Decomposes above 240°C

Safety & Hazard Attributes

Hazard Class (GHS): Not classified as hazardous
Toxicity: Low toxicity; may cause mild irritation on skin or eyes
Exposure Limits: Not established

Storage & Handling Attributes

Storage Conditions: Store in a cool, dry place, tightly sealed to prevent moisture uptake
Container Type: Polyethylene-lined bags, drums, or bulk containers
Shelf Life: 2–3 years under proper storage
Handling Precautions: Avoid dust formation and inhalation; use PPE as necessary

Regulatory & Compliance Attributes

Approved for use in food, cosmetics, pharmaceuticals, and industrial products by global regulatory agencies
Complies with REACH and other environmental safety standards

Environmental & Health Impact

Biodegradability: Slowly biodegradable under aerobic conditions
Ecotoxicity: Low to moderate aquatic toxicity; avoid environmental release in large quantities
Bioaccumulation: Not expected

Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required:

Dust mask or respirator (for powder handling)
Safety goggles
Gloves (nitrile or latex)
Protective clothing or lab coat

Handling Guidelines:

Use in well-ventilated areas
Minimize dust generation and avoid inhalation
Avoid eye and skin contact
Employ dust extraction or local exhaust ventilation when handling bulk powder

Storage Measures:

Keep containers tightly sealed
Store away from acids and incompatible substances
Protect from moisture and humidity

Hygiene Practices:

Wash hands thoroughly after handling
Avoid eating, drinking, or smoking in the work area
Clean work surfaces and equipment regularly

First Aid Measures

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

Firefighting Measures

Fire Hazards: Non-flammable
Extinguishing Media: Water spray, foam, dry chemical, or carbon dioxide
Special Precautions: Use standard firefighting protective equipment
Decomposition Products: May release toxic gases such as nitrogen oxides and sodium oxides on combustion