Potassium (poly)sulfide - ≥42% K₂S basis , CAS No.37199-66-9

CAS: 37199-66-9 Cat. No.: P463052 Formule: K2S/n Numéro CE: 253-390-1 PubChem CID: 5362529

Synonyms

potassium;sulfane | EPA Pesticide Chemical Code 076703 | Caswell No. 701 | EINECS 253-390-1 | Potassium sulfide (K2(Sx))

Storage

Protected from light,Room temperature

Shipped In

Normal

Vue d’ensemble

Description

Potassium polysulfide shows high aqueous solubility and can act as high energy density half-cells for secondary electrochemical storage systems. It can be used as a sulfur source for synthesizing sulfur nanoparticles.

Specifications

Synonymes

potassium;sulfane | EPA Pesticide Chemical Code 076703 | Caswell No. 701 | EINECS 253-390-1 | Potassium sulfide (K2(Sx))

Spécifications et pureté

≥42% K₂S basis

Conditions de stockage de stockage

Protected from light,Room temperature

Expédié en

Normal

Noms et identifiants

• Pubchem Sid: 488195428
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488195428
• Sourires canoniques: S.[K+]
• IUPAC Name: potassium;sulfane
• InChIKey: ZOCLAPYLSUCOGI-UHFFFAOYSA-N
• INCHI: 1S/K.H2S/h;1H2/q+1
• Isomères SMILES: S.[K+]
• WGK Allemagne: 2
• RTECS: TT5950000
• PubChem CID: 5362529

Propriétés chimiques et physiques

• Sensibilité: Light & Air sensitive
• Point d'éclair (°F): >392 °F
• Point d'éclair (°C): >200 °C

Références

1. Zhiyi Wang, Jianchao Wang, Hui Wang, Hongru Jiang, Chongqing Wang, Yingshuang Zhang, Hongshuai Hou, Lingyue Zhang.  (2025)  Dual interface strategies using carbon dots for fabricating thermally conductive polymers by pyrrhotite and waste plastics.  Advanced Industrial and Engineering Polymer Research,      [PMID:] [10.1016/j.aiepr.2025.09.006]

Foire aux questions

How is this product shipped?

This product ships under standard ambient conditions. No temperature-controlled packaging is required.

What does the percentage in the product name refer to?

This product contains ≥42% potassium sulfide. This figure is the potassium sulfide loading (active content), not a chemical purity value — the balance is the support or carrier material. Lot-specific values are stated on the Certificate of Analysis.

How should this product be stored?

Store at room temperature, protected from light. The material is light-sensitive — keep it in its original opaque or amber container.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 37199-66-9, the molecular formula is K2S/n. InChIKey ZOCLAPYLSUCOGI-UHFFFAOYSA-N.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.