Dissolvine® D-40, based on diethylenetriaminepentaacetic acid (DTPA), pentasodium salts, serves as a chelating agent used in pulp production for stabilizing peroxide and hydrosulfite bleaching processes. It also functions in textiles to stabilize bleaching and dyeing baths.

Chemical Name: Pentasodium (carboxylatomethyl)iminobis(ethylenenitrilo)tetraacetate

CAS Number: 140-01-2

Synonyms: Diethylenetriaminepentaacetic acid pentasodium salt, Diethylenetriaminepentakis(acetic acid) pentasodium salt, DTPA pentasodium salt, Pentasodium diethylenetriaminepentaacetate, Pentasodium DPTA, Pentasodium Pentetate, Pentetic acid pentasodium salt, Sodium diethylenetriaminepentaacetate

Ask Harcros Chemicals Inc. Questions

Jared Reigle avatar

MN

Samer Saba avatar
  • TypeDocument Name
View All Documents

Enhanced TDS

Identification & Functionality

Features & Benefits

Benefit Claims
HII Features
Product Features

Slowly biodegradable

Applications & Uses

Properties

Physical Form
Appearance
Clear pale yellow liquid
Miscible in
Water
Environmental Properties
ValueUnitsTest Method / Conditions
Chemical Oxygen Demandapprox. 290mg/g-
Characteristics
ValueUnitsTest Method / Conditions
Molecular Weight503.3--
Crystallization Pointmax. -15°C-
Specifications
ValueUnitsTest Method / Conditions
Active Ingredientsmin. 40.5%-
Assaymin. 40%Fe-Sequestering Capacity
Chelating Value (CaCV)min. 80.5mg CaCO₃/g-
Colormax. 250-APHA
Densityapprox. 1280kg/m³-
pH (at 1% w/v Aqueous dilution)11 - 12--
pH (at 1% w/v dilution)11 - 11.8--
Specific Gravity (at 25°C)1.28 - 1.32--
Theoretical Properties
ValueUnitsTest Method / Conditions
Sequestering Values (Calcium ion, at pH 6 - 14)approx. 30mg metal/g-
Sequestering Values (Copper ion, at pH 2-14)approx. 50mg metal/g-
Sequestering Values (Ferric ion, at pH 1-11)approx. 45mg metal/g-
Sequestering Values (Magnesium ion, at pH 6-12)approx. 20mg metal/g-
Sequestering Values (Manganese ion, at pH 4-13)approx. 45mg metal/g-
Sequestering Values (Zinc ion, at pH 2-13)approx. 50mg metal/g-

Regulatory & Compliance

Packaging & Availability

Supplied by

Storage & Handling

Storage Information
  • Store in original packing or in PVC, PP, PE, stainless steel or bituminized tanks.
  • Avoid contact with aluminum, zinc, nickel, copper and copper alloys.
  • It is advised to re-test the material after three years of storage.