Zinc citrate tribasic dihydrate

CAS 5990-32-9(C6H5O7)2Zn3 · 2H2OChemical Synthesis

Zinc citrate tribasic dihydrate (CAS 5990-32-9) is an organic zinc salt with the linear formula (C6H5O7)2Zn3 · 2H2O and a molecular weight of 610.40 g/mol. This white to off-white crystalline powder serves as a valuable building block in chemical synthesis and is primarily used in applications requiring a source of zinc, such as in the preparation of other zinc compounds. TSS supplies this chemical with a purity of ≥98.0% based on dry substance.

IUPAC: Citric acid zinc salt,Zinc citrate dihydrate
Synonyms: Citric acid zinc saltZinc citrate dihydrate

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Zinc citrate tribasic dihydrate ((C6H5O7)2Zn3 · 2H2O) — chemical structure, CAS 5990-32-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Building BlocksCarbonyl CompoundsCarboxylic Acid SaltsChemical SynthesisOrganic Building Blocks

01 /Applications

Chemical Synthesis Reagent

Serves as a fundamental building block in organic synthesis, enabling the creation of more complex molecules. Its well-defined structure allows for predictable incorporation into various reaction pathways.

Zinc Compound Precursor

Utilised as a starting material for the synthesis of other specialised zinc-containing chemicals and materials. It provides a convenient and pure source of zinc ions for inorganic and coordination chemistry.

Research and Development

A key reagent in laboratory settings for exploring new chemical reactions and developing novel compounds. Its availability in high purity supports accurate and reproducible experimental results.

02 /Properties

Molecular weight	610.40
Linear formula	(C6H5O7)2Zn3 · 2H2O
Assay	≥98.0% (calc. based on dry substance, KT)
Impurities tested	5-10% water
Melting point	334 °C (dec.)(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

5990-32-9

MDL number

MFCD00150587

Beilstein registry

3819614

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Zinc citrate tribasic dihydrate used for?

Zinc citrate tribasic dihydrate (CAS 5990-32-9) is primarily used as a building block in chemical synthesis and as a precursor for preparing other zinc compounds in research and industrial applications.

What is the CAS number and formula for Zinc citrate tribasic dihydrate?

The CAS number is 5990-32-9 and the linear formula is (C6H5O7)2Zn3 · 2H2O.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Zinc citrate tribasic dihydrate with an assay of ≥98.0% (calculated based on dry substance). This product is not represented as USP, BP, EP, or any pharmacopoeia grade.

How should Zinc citrate tribasic dihydrate be handled safely?

Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Avoid dust formation and ensure adequate ventilation. The substance has a WGK rating of 3 in Germany.