---
title: Potassium Phosphate Monobasic Anhydrous
date: 2025-03-05T09:14:45Z
modified: 2026-09-14T10:27:24Z
permalink: "https://allanchem.com/potassium-phosphate-monobasic-anhydrous/"
type: page
status: publish
excerpt: ""
wpid: 4419
timestamp: 2026-09-14T10:27:24Z
tags: []
---

##### CAS Number

7758-11-4















##### Grade

ACS, FCC, USP















##### Packaging

Plastic Drum







































Potassium Phosphate Monobasic Anhydrous, also known simply as monopotassium phosphate, is a chemical compound with the formula KH2PO4. It is the potassium salt of phosphoric acid (H3PO4) and exists as a white, crystalline powder. It is an important source of potassium and phosphate ions.
**Chemical Formula:** KH2PO4
**Appearance:** A fine white crystalline powder.
**Uses:**
**Food and Beverage Industry:** It is used as a food additive in the food processing industry. It serves as an acidity regulator, buffering agent, and nutrient supplement in food and beverage products**.**
**Pharmaceuticals:** Used in pharmaceutical formulations as an excipient or buffering agent in oral medications, tablets, and capsules.
**Laboratory Reagent:** It acts as a reagent in laboratory experiments, particularly in biochemical and molecular biology research. Used to prepare phosphate buffer solutions for analytical and experimental purposes.
**Cosmetics and Personal Care Industry**: Potassium phosphate dibasic anhydrous may be found in cosmetic and personal care formulations, such as skin care products, hair care products, and toothpaste, where it serves functions such as pH adjustment and stabilization.
**Fertilizer:** This compound is used as a source of potassium and phosphate in fertilizer formulations. It provides essential nutrients to plants, promoting growth, flowering, and fruiting.
**Soil Amendment:** In agriculture, it may be applied to soil as a pH adjuster and nutrient supplement to improve soil fertility and plant health.







































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