Potassium sulfane

H2KS+

potassium sulfane

CAS37199-66-9
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
37199-66-9
EC Number
253-390-1
UN Number
1847
Index Number
016-007-00-7
PubChem CID
5362529

Physical-chemical properties

Molecular Formula
H2KS+
Molar Mass
73.18 g/mol
IUPAC Name
potassium sulfane

Chemical Identifiers

InChI
InChI=1S/K.H2S/h;1H2/q+1;
InChI Key
ZOCLAPYLSUCOGI-UHFFFAOYSA-N

Overview

Potassium sulfane (CAS 37199-66-9) is an inorganic sulfur compound with corrosive properties and environmental hazard classification. This chemical substance, also known by its IUPAC name potassium sulfane, represents a specialized inorganic compound with the molecular formula H2KS+ and a molecular weight of 73.18 g/mol. The compound is characterized by its highly corrosive nature, classified as Skin Corr. 1B under the Globally Harmonized System of Classification and Labelling of Chemicals, requiring strict handling protocols and appropriate safety measures during storage, transport, and application. The substance presents significant safety considerations, bearing the danger signal word and displaying both GHS05 and GHS09 pictograms, indicating corrosive properties and acute aquatic toxicity. Its ADR classification as Class 8 designates it as a corrosive material for transportation purposes, necessitating specialized packaging and handling procedures. The Aquatic Acute 1 classification emphasizes the compound's potential environmental impact, requiring careful management to prevent release into water systems. In industrial applications, potassium sulfane finds use in specialized chemical synthesis processes, particularly in sulfur chemistry applications where its unique properties are advantageous. The compound also serves in certain metallurgical processes and as an intermediate in the production of other sulfur-containing chemicals. Its relationship to compounds such as dipotassium sulfide demonstrates its position within the broader family of potassium-sulfur compounds used in various industrial sectors. OYSI maintains availability of potassium sulfane for qualified industrial customers, ensuring proper documentation and safety protocols are followed for all transactions involving this regulated chemical substance.

Safety & Classification

Danger
Classification:

Skin Corr. 1B; Aquatic Acute 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H314

Causes severe skin burns and eye damage.

H400

Very toxic to aquatic life.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number1847
ADR Class8
Packing GroupII
Tunnel CodeE
Proper Shipping NameKaliumpolysulfide, hydratisiert, Kristallwasser >= 30 %, fest
Marine PollutantNo

Frequently Asked Questions

What is potassium sulfane?

Potassium sulfane is an inorganic chemical compound with the molecular formula H2KS+ and CAS number 37199-66-9. It has a molecular weight of 73.18 g/mol and is classified as a corrosive substance with aquatic toxicity. This compound falls under the skin corrosion category 1B and acute aquatic toxicity category 1, making it a hazardous chemical requiring careful handling and appropriate safety measures in industrial applications.

What are the physicochemical properties of potassium sulfane?

Potassium sulfane is a chemical compound with molecular formula H2KS+ and molecular mass of 73.18 g/mol. As an ionic compound containing potassium and sulfur, it likely exists as a solid at room temperature. The specific physical properties such as color, odor, and solubility depend on the exact crystalline form and hydration state, but typical sulfur-containing potassium salts are often crystalline solids with varying water solubility.

What is potassium sulfane used for?

Potassium sulfane serves various industrial applications, particularly in chemical synthesis and specialized manufacturing processes. Its unique chemical structure makes it valuable in research and development applications, especially in sulfur chemistry and inorganic compound synthesis. The compound may also find use in specialized chemical reactions where both potassium and sulfur functionalities are required, though specific applications depend on the exact industrial requirements and processing conditions.

How to handle potassium sulfane safely?

Potassium sulfane requires strict safety protocols due to its corrosive nature (Skin Corr. 1B classification). Essential personal protective equipment includes chemical-resistant gloves, safety goggles, face shields, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid direct skin and eye contact, and ensure emergency shower and eyewash stations are readily accessible. Handle with appropriate tools to minimize direct exposure risks.

How to store potassium sulfane correctly?

Potassium sulfane must be stored in a cool, dry, well-ventilated area away from incompatible materials. Use corrosion-resistant containers with tight-fitting lids to prevent moisture absorption and contamination. Keep away from acids, oxidizing agents, and reactive metals. Storage areas should have appropriate spill containment measures and be clearly labeled with hazard warnings. Ensure storage complies with local regulations for corrosive substances and maintain inventory records.

What to do in case of contact with potassium sulfane?

Immediate action is crucial due to potassium sulfane's corrosive properties. For skin contact, immediately flush the affected area with copious amounts of water for at least 15 minutes while removing contaminated clothing. For eye contact, rinse thoroughly with water for at least 15 minutes and seek immediate medical attention. If inhaled, move to fresh air immediately. In all cases of significant exposure, seek prompt medical attention and provide safety data sheet information to healthcare providers.

How to dispose of potassium sulfane properly?

Potassium sulfane disposal must comply with local and national hazardous waste regulations due to its corrosive and aquatic toxicity classification. The substance cannot be disposed of in regular waste streams or sewage systems. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Small quantities may require neutralization under controlled conditions before disposal, but this should only be performed by qualified personnel following established protocols and regulatory requirements.

How to transport potassium sulfane?

Potassium sulfane is classified under ADR Class 8 (corrosive substances) Packing Group II, requiring specific transport protocols. Use UN-approved packaging designed for corrosive materials with appropriate labeling including GHS05 and GHS09 pictograms and 'Danger' signal word. Transport vehicles must carry appropriate emergency equipment and documentation. Drivers require ADR training for Class 8 substances. Ensure compliance with international transport regulations for corrosive materials during shipping.

Is potassium sulfane subject to specific regulations?

Potassium sulfane is subject to various chemical regulations including REACH registration requirements in Europe and CLP classification as a corrosive substance. It is not currently listed as a Substance of Very High Concern (SVHC). The compound must be handled according to occupational safety regulations for corrosive materials, with appropriate risk assessments, safety data sheets, and worker training programs. Environmental discharge limitations apply due to its aquatic toxicity classification.

Where to buy potassium sulfane in Europe?

Potassium sulfane is available through OYSI, a specialized European distributor of technical chemicals. As professional chemical distributors, OYSI provides high-quality potassium sulfane with proper documentation, safety data sheets, and regulatory compliance support. Their European network ensures reliable supply chain management and technical support for industrial customers. Contact OYSI directly for availability, specifications, and delivery options tailored to your specific requirements and location within Europe.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.