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Hydroxyethylethylenediaminetriacetic acid

CAS Number
150-39-0
EC Number
205-759-3
Chemical Formula
C10H18N2O7
Molecular Weight
278.26 g/mol

Description

Hydroxyethylethylenediaminetriacetic acid (CAS 150-39-0 ), commonly known as HEDTA, is a chelating agent used across industrial and personal care applications. It binds and sequesters metal ions, particularly calcium, magnesium, iron, and heavy metals. By sequestering these ions, it prevents them from interfering with formulation performance or process chemistry. In personal care formulations, HEDTA stabilizes products by deactivating trace metal ions that would otherwise degrade active ingredients. This stabilization prevents discoloration and maintains the integrity of the final product. Water treatment operations use it to control scale formation and metal ion interference in process water and cooling systems. Textile and paper processing rely on HEDTA to sequester hardness ions during bleaching and dyeing. This process improves consistency and reduces chemical waste across large-scale manufacturing operations. In cleaning formulations, it enhances detergent performance by keeping calcium and magnesium ions from reducing surfactant efficiency. This ensures that cleaning agents remain effective even in hard water conditions. HEDTA is supplied primarily as an aqueous solution, with concentration levels varying by grade and supplier specification. Technical grade is the standard offering for industrial applications including water treatment. Personal care applications may require grades meeting cosmetic or purity specifications aligned with industry standards. These high-purity options ensure compatibility with sensitive skin and hair care formulations. Contact us for supply of Hydroxyethylethylenediaminetriacetic acid Request Quote

Other Names (Synonyms)

Hydroxyethylethylenediamintriacetic acid | 2-[2-[bis(carboxymethyl)amino]ethyl-(2-hydroxyethyl)amino]acetic acid | HEDTA

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point159 °C
Boiling Point421.08°C (rough estimate)
Density1.3300 (rough estimate)
AppearanceCrystalline
ColorWhite to Almost white
Formpowder to crystal
Water Solubilitysoluble
Vapor Pressure0.01Pa at 20℃
Refractive Index1.4550 (estimate)
Log P-4.65 at 20℃

Safety & Handling

Danger
GHS05· CorrosiveGHS07· IrritantGHS09· Environment

Hazard Statements

H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary Statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P317Get emergency medical help.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P391Collect spillage.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P233Store in a well-ventilated place. Keep container tightly closed.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29224999
Storage Class11 - Combustible Solids