SoleChem

Trisodium EDTA

CAS
150-38-9
EC
205-758-8
Mol. Weight
358.19 g/mol

Description

Trisodium EDTA (CAS 150-38-9) is a water-soluble chelating agent that binds and neutralizes metal ions in aqueous systems. It prevents them from interfering with formulation stability or process efficiency.

It is the trisodium salt form of EDTA, offering a moderately alkaline pH profile. This suits applications where the tetrasodium form would be too basic for the specific chemical environment.

In personal care and cosmetic formulations, it sequesters calcium and magnesium ions in hard water. This protects preservative systems and maintains product clarity in various consumer goods.

Pharmaceutical manufacturers use it to stabilize liquid preparations by deactivating trace metals. This prevents metals from catalyzing oxidative degradation, ensuring the longevity of the final product.

Water treatment operations rely on it to control scale formation and metal ion interference in process water. In textile and paper processing, it prevents metal-catalyzed discoloration during bleaching.

This chemical improves batch consistency and end-product quality in industrial dyeing operations. It is supplied as a white crystalline powder or as an aqueous solution at 40–50% concentrations.

Grades available include technical, food-grade, and pharmaceutical-grade material meeting USP and BP specifications. Bulk quantities are standard for industrial buyers and specialty use.

Smaller packaging is also available for laboratory and specialty formulation requirements. This ensures that the product meets the diverse needs of both large-scale and niche manufacturers.

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Physical Properties

Melting Point >300 °C
Density 1.69[at 20℃]
Appearance white powder
Color White to off-white
Form Liquid
Water Solubility 212.9g/L at 20℃
Vapor Pressure 0.007Pa at 50℃
pH 8
Log P -3.8 at 25℃

Safety & Handling (Learn More)

Danger GHS05 GHS07 GHS08
Hazard Statements
H302 Harmful if swallowed
H318 Causes serious eye damage
H319 Causes serious eye irritation
H332 Harmful if inhaled
H373 May causes damage to organs through prolonged or repeated exposure
H302+H332 Harmful if swallowed or if inhaled
Precautionary Statements
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
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.
P317 Get emergency medical help.
P319 Get medical advice/attention if you feel unwell.
P330 Rinse mouth.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P305+P354+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 Code 29173990
Storage Class 11 - Combustible Solids
WGK (Germany) 3

Documentation

Other Names

trisodium salt of ethylenediaminetetraacetic acid|trisodium ethylenediaminetetraacetate|N,N'-1,2-ethanediylbis[N-(carboxymethyl)glycine] trisodium salt|ethylenediaminetetraacetic acid trisodium salt|EDTA trisodium|(ethylenedinitrilo)tetraacetic acid trisodium salt|Edetate trisodium|EDTA trisodium salt

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