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Salts & Minerals

Monocalcium phosphate

CAS: 7758-23-8

Overview

Monocalcium phosphate (CAS 7758-23-8 ), also known as MCP and classified as E341i , is a calcium phosphate salt used primarily as a leavening acid and pH regulator in food manufacturing.

Its fast acid-release profile makes it a preferred choice in baking systems where rapid CO₂ generation is required. In baked goods, it acts as a fast-acting leavening acid, reacting with sodium bicarbonate to produce lift.

This chemical is essential for products such as self-rising flour, baking powder blends, and pancake mixes. Feed manufacturers incorporate it as a bioavailable phosphorus and calcium supplement in poultry and swine diets.

It is also used in aquaculture diets to support bone development and feed conversion. Food processors use it as a buffering and sequestering agent in processed cheeses and canned products to stabilize pH levels.

In fertilizer applications, it functions as a soluble phosphate source that improves nutrient uptake in high-value crop programs. This versatility makes it a staple in both the agricultural and food processing sectors.

The product is supplied as a white powder or granule, with granulated forms preferred in feed and fertilizer blending for improved flowability. Standard grades include food-grade ( FCC compliant) for baking.

Other available options include feed-grade for animal nutrition use. These quality standards ensure the material meets the rigorous safety and performance requirements of global industrial and food manufacturing supply chains.

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Physical Properties

Melting Point109 °C
Boiling Point203 °C (decomposes)
Density2.220 g/cm³ @ Temp: 18 °C
Appearancewhite crystalline powder
OdorOdorless
FormCrystals
Water Solubilityinsoluble
Refractive Index1.5176
Log P-2.148 (est)

Safety & Handling

Danger GHS05 Hazard Statements H318 Causes serious eye damage Precautionary Statements P280 Wear protective gloves/protective clothing/eye protection/face protection. P317 Get emergency medical help. P264+P265 Wash … thoroughly after handling. 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 Code31031010
WGK (Germany)2

Other Names

monobasic calcium phosphate | E341i | Calcium diorthophosphate | Calcium dihydrogenphosphate | anhydrous monobasic calcium phosphate | Calcium biphosphate | CALCIUM PHOSPHATE MONOBASIC | Acid calcium phosphate | MCP

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Chemical Properties

CAS Number
7758-23-8
EC Number
231-837-1
Mol. Weight
234.05
HS Code
31031010

Industries

Documentation