Manganese(II) nitrate tetrahydrate
Manganese(II) nitrate tetrahydrate (CAS 20694-39-7), with the formula Mn(NO3)2 · 4H2O, is a hydrated manganese salt. This crystalline solid possesses a molecular weight of 251.01 g/mol. It is an oxidising agent and an irritant. It is commonly employed in chemical synthesis and as a precursor for the preparation of other manganese compounds and materials, finding use in various industrial and research applications.

Chemical Synthesis
Utilised as a reagent in the synthesis of various manganese-containing compounds and complexes. Its reactivity makes it a useful starting material for creating specialty chemicals.
Material Science
Serves as a precursor in the production of manganese oxides and other advanced materials. These materials often have applications in catalysis, electronics, and energy storage.
Research and Development
Employed in laboratory settings for fundamental research in inorganic chemistry, catalysis, and material science. Enables the study of manganese chemistry and its properties.
| Molecular weight | 251.01 |
|---|---|
| Linear formula | Mn(NO3)2 · 4H2O |
| Assay | 97.0-102.0% |
| Grade | purum p.a. |


Hazard statements
- H272May intensify fire; oxidiser
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P220Keep away from clothing and combustible materials
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2724 5.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | O,Xi |
| Risk statements (R) | 8-36/37/38 |
| Safety statements (S) | 17-26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is Manganese(II) nitrate tetrahydrate used for?
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Manganese(II) nitrate tetrahydrate is used in chemical synthesis, as a precursor for manganese oxides and other advanced materials, and in research and development for studying manganese chemistry.
What are the CAS number and chemical formula for Manganese(II) nitrate tetrahydrate?
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The CAS number is 20694-39-7 and the chemical formula is Mn(NO3)2 · 4H2O.
What grade and purity does Tech Serve Solutions supply for Manganese(II) nitrate tetrahydrate?
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Tech Serve Solutions supplies Manganese(II) nitrate tetrahydrate with a purity assay of 97.0-102.0% in purum p.a. grade. This product is not represented as USP, BP, or EP grade.
How should Manganese(II) nitrate tetrahydrate be handled safely?
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Manganese(II) nitrate tetrahydrate is an oxidiser (H272) and an irritant (H315, H319, H335). It requires careful handling with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection. It must be kept away from combustible materials (P220, P210).
How is Manganese(II) nitrate tetrahydrate shipped and exported by TSS?
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Manganese(II) nitrate tetrahydrate is shipped and exported under UN 2724, Hazard Class 5.1, Packing Group III, adhering to international transportation regulations.
How can I request a quote or sample for Manganese(II) nitrate tetrahydrate?
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To request a quote or a sample, please contact the TSS sales team directly through our website or by phone, providing the product name and CAS number.
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