Description

Calcium Citrate Tetrahydrate is a highly bioavailable organic calcium salt, prized for its excellent solubility and neutral taste. This compound serves as a superior source of calcium in applications where bioavailability, stability, and compatibility are critical. It is an essential ingredient for manufacturers in the nutraceutical, food & beverage, and pharmaceutical industries seeking to fortify their products effectively.

Application

• Dietary Supplements & Nutraceuticals: A primary calcium source in tablets, capsules, and powder formulations due to its high bioavailability and excellent absorption.
• Food & Beverage Fortification: Used to enrich products like plant-based milk alternatives, fruit juices, cereal bars, and flour without altering flavor profiles.
• Pharmaceutical Preparations: Employed as an active pharmaceutical ingredient (API) in calcium deficiency treatments and antacid formulations.
• Animal Feed & Pet Nutrition: An essential mineral supplement for livestock, poultry, and pet food to support bone health and metabolic functions.
• Functional Foods: Incorporated into specialized health foods designed for populations with increased calcium needs, such as the elderly.

Basic Information

Product Name	Calcium Citrate Tetrahydrate
CAS No.	5785-44-4
Molecular Formula	Ca3(C6H5O7)2 · 4H2O
Molecular Weight	570.50 g/mol
Synonyms	Tricalcium Dicitrate Tetrahydrate; Calcium Citrate (USP); Citric Acid, Calcium Salt (4:3) Tetrahydrate; E333(iii); 2-Hydroxy-1,2,3-propanetricarboxylic Acid, Calcium Salt (4:3), Tetrahydrate; Tricalcium Citrate Tetrahydrate; FCC Calcium Citrate
EINECS	209-350-4

Quality Control

Our Calcium Citrate Tetrahydrate is manufactured under strict quality management systems. We offer grades compliant with USP, FCC, and BP/Ph. Eur. monographs, ensuring suitability for global food, supplement, and pharmaceutical applications. Every batch is supported by a comprehensive Certificate of Analysis (COA) verifying identity, purity, and conformance to specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); the original container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White or almost white, fine powder
Identification (IR)	Conforms
Assay (on dried basis)	97.0% - 102.0%
Loss on Drying	10.0% - 13.0%
Heavy Metals (as Pb)	≤ 10 ppm
Lead (Pb)	≤ 2 ppm
Arsenic (As)	≤ 3 ppm
Fluoride	≤ 10 ppm
pH (5% suspension)	5.0 - 7.0

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