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VAQORAAlkali Metal Compounds (Li, Na, K, Rb, Cs)Available on request
Potassium sulphide
Synonyms: Dipotassium monosulfide · Dipotassium sulfide · Potassium monosulfide · Potassium sulfide (2:1)
CAS No.1312-73-8
FormulaK2S
Mol. weight110.26
Catalogue No.VQ-014070
Purity95%
HSN28309020
Potassium sulphide (CAS 1312-73-8) – alkali metal compound, 95%. K2S, MW 110.26. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Potassium sulphide
Potassium sulphide is an alkali metal compound carrying the CAS registry number 1312-73-8 with a typical assay of 95%. The compound has the formula K2S, corresponding to a molecular weight of 110.26 g/mol. Its systematic (IUPAC) name is dipotassium. Sulfide. It is also known as Dipotassium monosulfide or Dipotassium sulfide.
In its supplied form it is yellow-brown to green powder or chunks. Key physical data: a melting point of 840 °C and a density of 1.74 g/cm3. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.
Key uses span materials research and chemical synthesis. Buyers come mainly from academic and industrial research.
Standard pack sizes are 500 g, 5 kg and 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.
Specifications & identifiers
| Product name | Potassium sulphide |
|---|---|
| Catalogue No. | VQ-014070 |
| CAS Number | 1312-73-8 |
| IUPAC name | dipotassium;sulfide |
| Molecular formula | K2S |
| Molecular weight | 110.26 g/mol |
| Exact mass | 109.8995 |
| Purity / assay | 95% |
| HSN code | 28309020 |
| InChIKey | DPLVEEXVKBWGHE-UHFFFAOYSA-N |
| SMILES | [S-2].[K+].[K+] |
| PubChem CID | 162263 |
| Physical form | Powder |
|---|---|
| Appearance | Yellow-brown to green powder or chunks |
| Melting point | 840 °C |
| Density | 1.74 g/cm3 |
| H-bond donors / acceptors | 0 / 1 |
| TPSA | 1 Ų |
| Synonyms | Dipotassium monosulfide, Dipotassium sulfide, Potassium monosulfide, Potassium sulfide (2:1), Kali Sulf. Bath Essence, Dipotassium monosulfide (K2S), Dipotassium tetrasulfide, Potassium sulfide (K2(S4)), Dipotassium trisulphide, Potassium sulfide (K2S), dipotassium sulphide |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H314Causes severe skin burns and eye damageH400Very toxic to aquatic life
Precautionary statements: P260, P264, P273, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, P391, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Potassium sulphide?
The CAS Registry Number of Potassium sulphide is 1312-73-8. It is also known as Dipotassium monosulfide, Dipotassium sulfide, Potassium monosulfide.
What is the molecular formula and molecular weight of Potassium sulphide?
Potassium sulphide has the molecular formula K2S and a molecular weight of 110.26 g/mol.
Which grade and pack sizes of Potassium sulphide can I order?
We supply Potassium sulphide in (95%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Potassium sulphide?
Yes. Every lot of Potassium sulphide is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Potassium sulphide be shipped internationally?
Yes. Potassium sulphide is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Potassium sulphide
We reply within one business day with price, pack options, lead time and documentation.
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