Molekula
Potassium selenocyanate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium selenocyanate is an inorganic compound with the formula KSeCN, widely used in analytical chemistry for selenium-based assays, as a reagent in organic synthesis, and in some specialty applications like semiconductor manufacturing. It is a white to off-white crystalline solid with high reactivity, requiring careful handling. CAS 3425-46-5, molecular weight 144.08 g/mol, store at ambient conditions. Contains hazardous properties; signal word is Danger. Molekula supplies Potassium selenocyanate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — £154.20 per pack ex VAT · £185.04 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to beige crystalline powder |
| Melting Point | 155 - 158°C |
| Assay | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 10245868 |
| CAS Number | 3425-46-5 |
| IUPAC Name | potassium selenocyanate |
| EC Number | 222-320-1 |
| Molecular Formula | KSeCN |
| Molecular Weight | 144.08 |
| Exact Mass | 144.8833 |
| SMILES | C(#N)[Se-].[K+] |
| InChIKey | KYEKHFSRAXRJBR-UHFFFAOYSA-M |
| InChI | InChI=1S/CHNSe.K/c2-1-3;/h3H;/q;+1/p-1 |
| PubChem CID | 76960 |
| UN Number | UN3283 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2842.90.1000 |
| Tariff Code | 2842908080 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H300 Fatal if swallowed
- H331 Toxic if inhaled
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- KYEKHFSRAXRJBR-UHFFFAOYSA-M
- Potassium selenoisocyanate
- Selenocyanic acid, potassium salt
- Selenocyanic acid, potassium salt (1:1)
Frequently asked questions
What is potassium selenocyanate commonly used for?
Potassium selenocyanate (KSeCN) is primarily used in analytical chemistry as a reagent for selenium analysis and in organic synthesis for selenocyanation reactions.
What is the molecular formula and molecular weight of potassium selenocyanate?
The molecular formula is **KSeCN**, and the molecular weight is **144.08 g/mol**.
How should potassium selenocyanate be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and incompatible substances.
What grades or purities of potassium selenocyanate does Molekula supply?
Molekula supplies **high-purity (98%+)** potassium selenocyanate, suitable for research and analytical applications.
Can Molekula supply potassium selenocyanate in bulk quantities?
Yes, Molekula can supply potassium selenocyanate in **bulk quantities** upon request, subject to availability and regulatory compliance.
What documentation comes with an order of potassium selenocyanate?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.