Cadmium chloride hemi(pentahydrate)
Cadmium chloride hemi(pentahydrate), CAS 7790-78-5, with the linear formula CdCl2·2.5H2O and a molecular weight of 228.36 g/mol, is a highly pure cadmium salt supplied by Tech Serve Solutions. This compound serves as a vital reagent in inorganic chemistry, catalysis, and chemical synthesis. Its applications extend to various industrial processes, including electroplating and as a mordant in dyeing, underscoring its utility in research and manufacturing.

Catalysis and Inorganic Synthesis
Cadmium chloride hemi(pentahydrate) is employed as a catalyst or precursor in various inorganic chemical reactions and synthesis pathways. Its properties are valuable for creating specific inorganic compounds and materials.
Electroplating
This compound can be used in electroplating baths to deposit cadmium coatings. Such coatings offer excellent corrosion resistance, making them useful for protecting metal components.
Dyeing and Pigment Production
Historically, cadmium compounds have been used as mordants in the textile industry to fix dyes. They have also been components in the production of certain pigments.
Laboratory Reagent
As a research essential, Cadmium chloride hemi(pentahydrate) is utilized in laboratory settings for analytical procedures and experimental chemistry. Its defined purity makes it suitable for precise scientific work.
| Molecular weight | 228.36 |
|---|---|
| Linear formula | CdCl2·21/2H2O |
| Assay | 79.5-81.0% |
| Grade | purum p.a. |
| Vapour pressure | 10 mmHg (656 °C) |
| Vapour density | 6.3 (vs air) |
| Impurities tested | ≤0.005% insolubles |



Hazard statements
- H301Toxic if swallowed
- H330Fatal if inhaled
- H340May cause genetic defects
- H350May cause cancer
- H360FD
- H372Causes damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P273Avoid release to the environment
- P284Wear respiratory protection
- P301IF SWALLOWED
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, 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 2570 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 45-46-60-61-25-26-48/23/25-50/53 |
| Safety statements (S) | 53-45-60-61 |
| Cation traces | Ca: ≤0.005%Cu: ≤5 ppmFe: ≤5 ppmK: ≤0.02%NH4+: ≤0.005%Na: ≤0.05%Pb: ≤0.005%Zn: ≤0.05% |
| Anion traces | NO3- and NO2-: ≤0.003%sulfate (SO42-): ≤0.005% |
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 Cadmium chloride hemi(pentahydrate) used for?
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Cadmium chloride hemi(pentahydrate) is used in catalysis, inorganic synthesis, electroplating, and as a laboratory reagent for research and analytical purposes. It has also been used as a mordant in dyeing.
What are the CAS number and formula for Cadmium chloride hemi(pentahydrate)?
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The CAS number is 7790-78-5, and the linear formula is CdCl2·2.5H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cadmium chloride hemi(pentahydrate) in 'purum p.a.' grade, with an assay of 79.5-81.0% and ≤0.005% insolubles. This product is not represented as USP, BP, or EP grade.
What are the primary hazards associated with Cadmium chloride hemi(pentahydrate)?
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Cadmium chloride hemi(pentahydrate) is highly toxic if inhaled or swallowed, can cause genetic defects, cancer, and may damage fertility or the unborn child. It is also toxic to organs through prolonged or repeated exposure and is very toxic to aquatic life with long-lasting effects. Appropriate personal protective equipment and handling procedures are essential.
How is Cadmium chloride hemi(pentahydrate) packed, shipped, and exported?
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Cadmium chloride hemi(pentahydrate) is carefully packed according to international shipping regulations for hazardous materials and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample of Cadmium chloride hemi(pentahydrate)?
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To request a quote or a sample of Cadmium chloride hemi(pentahydrate), please contact our sales department through the TSS website or your dedicated account manager.
Is Cadmium chloride hemi(pentahydrate) a controlled substance?
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Cadmium chloride is classified as a substance of very high concern due to its toxicity and potential carcinogenicity. It requires careful handling and adherence to strict regulatory guidelines.
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