Potassium thiocyanate
Potassium thiocyanate (CAS 333-20-0, KSCN, MW 97.18) is a versatile inorganic salt. It serves as a crucial building block in chemical synthesis, particularly in organic chemistry, and is a source of the thiocyanate anion. Its properties make it valuable in various industrial and laboratory applications. Tech Serve Solutions supplies high-purity Potassium Thiocyanate for research and manufacturing.
- IUPAC
- Potassium rhodanide
- Synonyms
- Potassium rhodanidePotassium thiocyanate
Chemical Synthesis
Potassium thiocyanate is widely used as a reagent in organic synthesis for introducing the thiocyanate group into molecules. It is also employed in the preparation of other thiocyanate salts and coordination complexes.
Dye and Pigment Production
It acts as a precursor in the synthesis of certain dyes and pigments. The thiocyanate moiety can be incorporated into chromophores to modify colour properties.
Analytical Chemistry
Potassium thiocyanate is used in qualitative analysis, notably for the detection of iron(III) ions, forming a characteristic deep red complex. It also finds use in titrations.
Metallurgy
In metallurgy, it can be used in the extraction and purification of certain metals. It also finds application in photographic processes.
| Molecular weight | 97.18 |
|---|---|
| Linear formula | KSCN |
| Assay | ≥99.0% |
| Density | 1.342 g/mL at 20 °C1 g/mL at 25 °C(lit.) |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 5.3-8.7 (25 °C, 5%) |
| Concentration | 8 M KSCN |
| Melting point | 173 °C(lit.) |
| Impurities tested | Iodine consuming substances, passes test≤0.005% insol. water |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-32-52/53 |
| Safety statements (S) | 13-61 |
| Supplemental hazards | Contact with acids liberates very toxic gas. |
| Cation traces | Fe: ≤2 ppmNH4+: ≤0.003%Na: ≤0.005%heavy metals (as Pb): ≤5 ppm |
| Anion traces | chloride (Cl-): ≤0.005%sulfate (SO42-): ≤0.005% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | absorption1M/267 nm, H2O cut-off |
|---|
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 Potassium Thiocyanate used for?
+
Potassium thiocyanate is primarily used as a building block in chemical synthesis, particularly for introducing the thiocyanate group in organic chemistry. It is also used in dye production, analytical chemistry for detecting iron(III) ions, and in certain metallurgical processes.
What is the CAS number and chemical formula for Potassium Thiocyanate?
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The CAS number for Potassium Thiocyanate is 333-20-0 and its linear formula is KSCN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium Thiocyanate with an assay of ≥99.0%. We do not claim pharmacopoeia grades (USP, BP, EP) unless explicitly stated in the product specifications.
What are the safety concerns when handling Potassium Thiocyanate?
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Potassium Thiocyanate is harmful if swallowed, in contact with skin, or if inhaled (H302-H312-H332). It can also cause long-term harmful effects in aquatic life (H412). Contact with acids liberates very toxic gas. Ensure adequate ventilation, wear appropriate personal protective equipment (dust mask type N95, eyeshields, gloves), and avoid contact with acids.
How is Potassium Thiocyanate packed, shipped, and exported by TSS?
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Potassium Thiocyanate is available in various pack sizes suitable for laboratory and industrial use. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant shipping regulations.
How can I request a quote or sample for Potassium Thiocyanate?
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To request a quote or sample of Potassium Thiocyanate, please contact our sales team through the website or by phone, providing your specific requirements.
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