Description

Ortho-Phosphate CAS NO 11-36-9 is a fundamental inorganic chemical compound, specifically the orthophosphate anion, which serves as a critical source of phosphorus. This versatile compound is essential for numerous industrial and biological processes where bioavailable phosphorus is required. It is a key material for manufacturers in the fertilizer, food additive, detergent, and water treatment industries.

Application

• Fertilizer Production: A primary phosphorus source in the manufacture of phosphate-based fertilizers essential for plant growth.
• Food & Beverage Industry: Used as a nutrient supplement, pH regulator, and sequestrant in various food products and beverages.
• Water Treatment: Acts as a corrosion inhibitor and scale control agent in municipal and industrial water systems.
• Detergent & Cleaning Formulations: Functions as a builder to soften water and enhance the cleaning efficiency of soaps and detergents.
• Industrial Processes: Employed in metal finishing, as a flame retardant precursor, and in the production of other phosphorus chemicals.
• Laboratory & Analytical Reagent: Serves as a standard and reagent in various chemical analyses and research applications.

Basic Information

Product Name	Ortho-Phosphate
CAS No.	11-36-9
Molecular Formula	PO43-
Molecular Weight	94.97 g/mol
Synonyms	Phosphate; Inorganic phosphate; Orthophosphate ion; Phosphoric acid, ion(3-); PO4(3-); Phosphoric acid radical; Phosphate anion; Tetraoxophosphate(3-)
EINECS	Contact for details

Quality Control

Our Ortho-Phosphate is produced and tested under a rigorous quality management system to ensure batch-to-batch consistency and compliance with relevant industry standards, including food grade (FCC) and reagent grade specifications where applicable. A comprehensive Certificate of Analysis (COA), detailing purity, assay, and impurity profiles, is provided with every shipment to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	White crystalline powder or colorless solution
Identification (IR)	Conforms
Assay (as PO43-)	≥ 98.0%
pH (1% solution)	8.5 - 9.5
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 3 ppm
Chloride (Cl)	≤ 0.01%
Sulfate (SO4)	≤ 0.02%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.