5990-32-9

Basic information

• Product Name: Zinc citrate dihydrate
• Synonyms: ZINC CITRATE DIHYDRATE;ZINC CITRATE TRIBASIC DIHYDRATE;CITRIC ACID ZINC SALT DIHYDRATE;Citric acid zinc salt;ZINC CITRATE, DIHYDRATE REAGENT;zinc citrate dihydrate, reagent grade;Zinc citrate dihydrate, Reagent Grade, Zn 31% min;ZINC CITRATE pure
• CAS NO: 5990-32-9
• Molecular Formula: 2C₆H₅O₇*3Zn
• Molecular Weight: 610.4
• EINECS: 208-901-2
• Product Categories: Nutritional fortification substances
• Mol File: 5990-32-9.mol
• Article Data: 7

Chemical Properties

• Melting Point: 334 °C (dec.)(lit.)
• Appearance: /Powder
• Water Solubility: Soluble in dilute mineral acids and alkali hydroxides. Slightly soluble in water
• Stability: Stable. Incompatible with strong oxidizing agents.
• Merck: 14,10134
• CAS DataBase Reference: Zinc citrate dihydrate(CAS DataBase Reference)
• NIST Chemistry Reference: Zinc citrate dihydrate(5990-32-9)
• EPA Substance Registry System: Zinc citrate dihydrate(5990-32-9)

Safety Data

• Safety Statements: 22-24/25
• WGK Germany: 3
• RTECS: GE8360000
• TSCA: Yes
• Hazardous Substances Data: 5990-32-9(Hazardous Substances Data)

Usage

Chemical Properties

White crystallinw powder

Uses

Zinc citrate dihydrate is used in dental care products such as toothpastes, mouthwashes and chewing gums due to its antimicrobial and anti-inflammatory effects. It used in used in food supplements, functional foods and beverages. It is used to formulated in pharmaceuticals,?and foods as a zinc supplement. It used as intermediate in organic synthesis, agrochemicals and dyestuff.

InChI:InChI=1/C6H8O7.2H2O.Zn/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);2*1H2;/q;;;+2/p-3

Upstream product

• 68-04-2 sodium citrate 
• 7646-85-7 zinc(II) chloride 
• 557-34-6 zinc diacetate 
• 77-92-9 citric acid 
• 6132-04-3 trisodium citrate dihydrate 
• 7732-18-5 water 
• 5970-45-6 zinc(II) acetate dihydrate 

Downstream Products

• 68-04-2 sodium citrate 

Relevant articles and documents

Phase transition of hollow-porous α-Fe2O3 microsphere based anodes for lithium ion batteries during high rate cycling

In the present paper, hollow-porous α-Fe2O3 microspheres are prepared via cation etching of zinc citrate microspheres and subsequent thermal treatment. The superior performance of the as-obtained α-Fe2O3 microspheres as an anode material for lithium ion batteries is evaluated. After 1000 cycles, the capacity still remains more than 1100 mA h g-1 at a current rate of 1 A g-1. Meanwhile, the crystal size induced phase transition of Fe2O3 microspheres (α → γ → β) is observed during cycling by the measurements of ex situ XRD and TEM, which is responsible for their abnormal performance fluctuation.

MAGNESIUM CITRATE GLYCINATE CO-SALT

A magnesium citrate glycinate co-salt has a formula of Mg2C8H9NO9 - X H2O and a suggested structure of Formula I. The magnesium citrate glycinate co-salt has an apparent density of 1740 kg/m3 and is compressible in a range of compression pressures from approximately 50 MPa to approximately 150 MPa. The magnesium citrate glycinate co-salt is formed by combining citric acid and glycine in a 1:1 molar ratio to form an aqueous reaction mixture and neutralizing the aqueous reaction mixture with a magnesium source having a magnesium:ligand ratio of 1:1.

A zinc citrate trihydrate synthetic method

The invention relates to a method for synthesizing zinc citrate trihydrate. The method comprises the following steps: adding citric acid and deionized water into a reaction kettle, and stirring and heating to the temperature of 55-65 DEG C; adding a zinc compound, adding a catalyst and aids after the zinc compound is completely added, stirring, heating, and reacting; centrifuging and filtering after the reaction is ended, sequentially washing and performing absolute ethyl alcohol washing on the obtained solids; and finally, fully performing vacuum drying, thereby obtaining the zinc citrate trihydrate. According to the method, a complex reaction system with specific catalyst and aids is adopted, rapid and high-yield preparation of the target product is realized by virtue of dual effects of the micro-hole reaction environment and assistant catalysis, and the method has very obvious technical effects and achieves wide industrial application prospects and market potentials.