Zinc Citrate

Zinc Citrate is a nutritional supplement containing the zinc salt form of citric acid for the purpose of providing zinc. As an essential trace element, zinc is of key importance in many biological processes, acts as an antioxidant and strengthens the immune system.

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Overview

Zinc citrate is available as dihydrate and trihydrate and is produced by complete neutralisation of citric acid with a high purity zinc source, subsequent precipitation and dehydration. Zinc citrate is mainly used in dental care products such as toothpastes, mouthwashes and chewing gums due to its antimicrobial and anti-inflammatory effects and its ability to reduce or inhibit the formation of dental plaque and tartar.
In pharmaceuticals, zinc citrate fights common colds. Zinc is increasingly used in food supplements, functional foods and beverages. As an organic mineral source it is preferred in many applications over inorganic sources because of its superior bioavailability, physiological compatibility and nearly neutral taste compared to other zinc salts. Among the organic zinc salts zinc citrate has one of the highest zinc content (31%).
Zinc citrate is supplied as a white to almost white powder. It is practically odourless, slightly soluble in water, soluble in diluted acid and practically insoluble in ethanol (96%). Zinc citrate has an inverse solubility.

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Applications

Industrial Applications

  • Agrochemicals, Fertilisers

 Food

  • Baby Food, Infant Formula
  • Cereals, Snacks
  • Confectionery
  • Dairy
  • Dairy Alternatives
  • Desserts, Ice Cream
  • Fruit Preparations, Sweet Spreads
  • Meat Alternatives
  • Plant-based Products

 Beverages

  • Carbonated Soft Drinks
  • Instant Drinks, Syrups
  • Juice Drinks
  • Plant-based
  • RTD Tea and Coffee
  • Sports and Energy Drinks
  • Waters

 Healthcare

  • Clinical Nutrition
  • OTC, Food Supplements

 Personal Care

  • Deodorants
  • Hair Care
  • Oral Care
  • Skin Care
  • Soap and Bath Products

 Pharma

  • Mineral source

Feed & Pet Food

  • Pet Food

Spesifications

Slightly soluble in water high mineral content (31%) zinc citrate trihydrate is specified according to food, pharma and oral care grade. Zinc citrate dihydrate is specified according to the latest edition of the USP. The following granulation types are available: Zinc citrate trihydrate is Powder
Zinc citrate dihydrate:
  • Powder
Zinc citrate is supplied in polyethylene lined paper bags with 25 kg net weight.
PRODUCT IDENTIFICATION
CAS NO. 546-46-3 (Anhydrous) 5990-32-9 (Dihydrate)
EINECS NO. 208-901-2
FORMULA [OOCCH2C(OH)(COO)CH2COO]2Zn3
MOL WT. 574.37
H.S. CODE 2918.16
TOXICITY Oral rat LD50: > 5,000 mg/kg
SYNONYMS 2-hydroxy-1,2,3-Propanetricarboxylic acid, zinc salt;
PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE White to yellow powder
MELTING POINT 334 C
SOLUBILITY IN WATER 100 g/l
STABILITY Stable under ordinary conditions
SALES SPECIFICATION

APPEARANCE

White to yellow powder
CONTENT 96.0% min
IDENTIFICATION Positive (Test A, B)
ZINC CONTENT 31.0% (Dihydrate) – 34.0% (Anhydrate)(
SULFATE 0.05% max
LOSS ON DRYING 3.0% max
CADMIUM 5ppm max
CHLORIDE 0.05% max
LEAD 10ppm max
ARSENIC 3ppm max
 
TRANSPORTATION
PACKING
25kgs in fiber drum
HAZARD CLASS not regulated
UN NO.

Properties

  • Available as dihydrate or trihydrate
  • White crystalline powder
  • Odourless
  • Neutral taste
  • High mineral content (31%)
  • Slightly soluble in water
  • Highly bioavailable
  • Antibacterial
  • Antiinflammatory
  • Allergen and GMO free

Main functions

  • Highly bioavailable zinc source
  • Antibacterial agent
  • Anti-plaque in oral care products
Download MSDS
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