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Chelating Agents

Edetate sodium tetrahydrate

CAS: 13235-36-4

Overview

Edetate sodium tetrahydrate (CAS 13235-36-4 ), commonly known as EDTA tetrasodium salt tetrahydrate, is a fully neutralized, water-soluble chelating agent used across industrial and consumer product manufacturing.

It binds and sequesters metal ions such as calcium, magnesium, iron, and heavy metals. This prevents them from interfering with formulation stability, process efficiency, or overall product quality during manufacturing.

In personal care and cosmetics, it stabilizes emulsions and preservative systems by deactivating trace metals. These metals would otherwise accelerate oxidation or reduce the efficacy of antimicrobial systems in the product.

Water treatment operations use it to control scale formation and remove metal deposits from process equipment. This ensures the longevity and efficiency of distribution systems in various industrial environments.

In textile and paper processing, it prevents metal-catalyzed degradation of bleaching baths and dye formulations. This improves color consistency and yield while protecting the integrity of the final materials.

Food-grade applications include sequestering metal contaminants in canned and processed foods to protect flavor and color. This helps maintain shelf life and meets the strict requirements of the food industry.

Edetate sodium tetrahydrate is supplied as a white crystalline powder or granules. It is available in food-grade ( FCC ), USP , and technical grades to meet the specification requirements of different industries.

Bulk packaging in bags and drums is standard for this material. Industrial quantities are available for large-scale procurement to support high-volume manufacturing and chemical processing operations.

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Physical Properties

ColorWhite crystalline
OdorOdorless
FormSolid
Water Solubilityalmost transparency

Safety & Handling

Warning GHS07 Hazard Statements H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code2922.49.8000
Storage Class11 - Combustible Solids
WGK (Germany)3

Other Names

GlycineNN′-12-ethanediylbis[N-(carboxymethyl)-sodium salthydrate (1:4:4) | tetrasodium2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetatetetrahydrate | Tetrasodium EDTA tetrahydrate | Tetrasodium EDTA

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Chemical Properties

CAS Number
13235-36-4
EC Number
603-569-9
Mol. Weight
452.23
HS Code
2922.49.8000

Industries

Documentation