ICL Group Disodium Phosphate Anhydrous (DSPA) TG

ICL Group Disodium Phosphate Anhydrous (DSPA) TG is in granular form and functions as a buffering agent in cleaning ingredients. It is used in home care applications, particularly in metal cleaners.

Chemical Name: Disodium Phosphate, Anhydrous

CAS Number: 7558-79-4

Chemical Family: Phosphates, Sodium Salts

Grade: Technical Grade

Labeling Claims: Kosher, Pareve

Applicable Processes: Boiler Water Treatment, Metal Treatment, Phosphatization, Textile Dyeing

Synonyms: Anhydrous Dibasic Sodium Phosphate, Anhydrous Disodium Hydrogen Phosphate, Dibasic Sodium Phosphate, Dibasic Sodium Phosphate Anhydrous, Disodium Acid Orthophosphate, Disodium Hydrogen Monophosphate, Disodium Hydrogen Phosphate, Disodium Monohydrogen Phosphate, Disodium Orthophosphate, Disodium Phosphate, Na2HPO4, Sodium Phosphate Dibasic, Sodium Phosphate Dibasic Anhydrous

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Identification & Functionality

Chemical Family
Phosphates,
Sodium Salts
Chemical Name
Disodium Phosphate, Anhydrous
Base Chemicals Functions
Buffering Agent
Cleaning Ingredients Functions
Buffering Agent
Industrial Additives Functions
Buffering Agent,
Corrosion Inhibitor,
Scale Inhibitor
Molecular formula
Na₂HPO₄
Technologies
Base Chemicals & Intermediates,
Cleaning Ingredients,
Industrial Additives & Materials
Product Families
Cleaning Ingredients — Functional Additives
Other Functional Additives
Industrial Additives & Materials — Processing Aids
Metal Processing Additives
Base Chemicals & Intermediates — Technical Salts & Inorganics
Inorganics
Industrial Additives & Materials — Textile & Leather Chemicals
Finishing Additives & Treatments
Industrial Additives & Materials — Water Treatment Chemicals
Water Treatment Additives

Features & Benefits

Labeling Claims
Kosher,
Pareve

Applications & Uses

Markets
HI&I Care,
Industrial
Applications
Industrial — Chemical & Industrial Manufacturing
Metal Manufacturing & Finishing
HI&I Care — Home Care
Surface Care
Industrial — Leather & Textiles
Textile Manufacturing
Industrial — Power, Water & Utilities
Water Treatment
Applicable Processes
Boiler Water Treatment,
Metal Treatment,
Phosphatization,
Textile Dyeing
Home Care Applications
Metal Cleaners
Use Level
max. 15 mg/L (potable water treatment)
Product Applications
  • Boiler Water Treatment: DSP is used to soften boiler water via precipitation of calcium, magnesium and other metal ions. Removal of these metal ions virtually eliminates the buildup of calcium carbonate scale which reduces boiler efficiency. DSP is also preferred for this application over alternate materials because of its stability at boiler water temperatures and its contribution to pH control of the boiler water.
  • Phosphatizing Metal Cleaner: DSP is added to MSP or phosphoric acid phosphatizing baths to raise pH and to maintain the solution in the optimum pH range for efficient phosphatizing.
  • Textile Dyeing: DSP is frequently used in textile dye baths as a buffering agent to maintain the bath in the optimum pH range for certain textile dyes.

Properties

Physical Form
Granules,
Solid
Appearance
White granular
Typical Properties
ValueUnitsTest Method / Conditions
Molecular Weight141.98--
Characteristics
ValueUnitsTest Method / Conditions
Assay (Anhydrous basis, Na₂HPO₄)min. 98%-
Loss on Dryingmax. 5%-
pH (at 1% Solution)8.7 - 9.6--
Pyrophosphate Contentmax. 2%-
Sizing (USSS, Through 20 mesh)min. 95%-
Sizing (USSS, Through 100 mesh)max. 25%-

Regulatory & Compliance

Certifications & Compliance
IFANCA Halal,
NSF Approved,
NSF/ANSI 60
Grade
Technical Grade

Packaging & Availability

Packaging Type
Bags,
Bulk,
Super Sacks
Supplied by
ICL Group
Packaging Information
  • 50 lb. multiwall bags
  • Super sacks
  • Bulk

Storage & Handling

Shelf Life
24 months