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 chemical compound with highly corrosive properties and significant industrial applications. This specialized chemical substance, with the molecular formula H2KS+ and a molecular weight of 73.18 g/mol, represents an important member of the potassium sulfur compound family. Potassium sulfane is classified as a highly hazardous material, carrying the danger signal word and requiring strict handling protocols due to its corrosive nature and environmental impact potential. The compound exhibits skin corrosion properties (Skin Corr. 1B) and poses acute aquatic toxicity risks (Aquatic Acute 1), necessitating appropriate safety measures during storage, handling, and transportation. The substance is regulated under ADR Class 8, indicating its corrosive characteristics, and displays GHS pictograms GHS05 and GHS09, warning of corrosion and environmental hazards respectively. These safety classifications underscore the importance of proper training and protective equipment when working with potassium sulfane in industrial environments. The compound shares chemical family relationships with substances like dipotassium sulfide, which exhibits similar sulfur-based reactivity patterns. In industrial applications, potassium sulfane serves as a crucial reagent in specialized chemical synthesis processes, particularly in metallurgical operations where sulfur chemistry plays a vital role. The compound also finds application in certain water treatment processes and as an intermediate in the production of other sulfur-containing chemicals. Additionally, it serves specific roles in analytical chemistry applications where its unique chemical properties provide valuable functionality. OYSI maintains reliable supply capabilities for potassium sulfane, ensuring consistent availability for European industrial customers requiring this specialized chemical compound.

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 belongs to the sulfane family and contains potassium, hydrogen, and sulfur atoms. Due to its corrosive properties, it requires careful handling and is subject to specific safety regulations for storage, transport, and disposal 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 a sulfane derivative containing potassium, it typically exists as a solid or crystalline material at room temperature. The compound exhibits corrosive properties, making it reactive with water and organic materials. Its exact physical appearance, solubility, and stability characteristics depend on storage conditions and purity. The presence of potassium suggests ionic character and potential water solubility.

What is potassium sulfane used for?

Potassium sulfane is primarily used in specialized industrial chemical processes and research applications. Its applications typically involve chemical synthesis, analytical chemistry, and specialized manufacturing processes where sulfane chemistry is required. Due to its corrosive nature and specific chemical properties, it serves as a reagent in controlled industrial environments. The compound may be utilized in metallurgy, chemical research, and specialized manufacturing processes that require precise sulfur-containing chemistry under strictly controlled conditions.

How to handle potassium sulfane safely?

Potassium sulfane must be handled with appropriate personal protective equipment due to its Skin Corr. 1B classification. Essential PPE includes chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Work should be conducted in well-ventilated areas or under fume hoods. Avoid direct contact with skin, eyes, and clothing. Emergency eyewash stations and safety showers should be readily accessible. Handle containers carefully to prevent spills and ensure proper grounding when transferring materials.

How to store potassium sulfane correctly?

Potassium sulfane should be stored in tightly sealed, corrosion-resistant containers away from incompatible materials. Storage areas must be cool, dry, and well-ventilated to prevent moisture accumulation. Keep containers in secondary containment to manage potential spills. Avoid storage near oxidizing agents, acids, or reactive metals. Storage facilities should have appropriate fire suppression systems and emergency response equipment. Regularly inspect containers for signs of corrosion or damage and maintain proper inventory management with clear labeling.

What to do in case of contact with potassium sulfane?

Immediate action is required if contact occurs with potassium sulfane due to its corrosive properties. For skin contact, immediately flush affected areas with copious amounts of water for at least 15 minutes while removing contaminated clothing. For eye contact, rinse eyes thoroughly with clean water for at least 15 minutes. If inhaled, move to fresh air immediately. Seek medical attention promptly for all exposures. Do not induce vomiting if ingested. Remove contaminated clothing and wash before reuse.

How to dispose of potassium sulfane appropriately?

Potassium sulfane must be disposed of according to local and European waste regulations as a hazardous chemical waste. It cannot be disposed of in regular waste streams due to its corrosive properties and environmental classification (Aquatic Acute 1). Contact licensed hazardous waste disposal companies for proper treatment and disposal. Neutralization may be required before disposal, but this should only be performed by qualified personnel. Maintain proper documentation of disposal activities and follow all applicable environmental protection requirements.

How to transport potassium sulfane?

Potassium sulfane is classified as ADR Class 8 (corrosive substances), Packing Group II, requiring specific transport protocols. Packages must meet UN specification standards for corrosive materials and display appropriate hazard labels including GHS05 and GHS09 pictograms. Transport vehicles must carry proper documentation, emergency response information, and appropriate spill cleanup materials. Drivers require ADR certification for Class 8 materials. Segregation from incompatible materials during transport is mandatory, and emergency contact information must be readily available.

Is potassium sulfane subject to specific regulations?

Potassium sulfane is subject to comprehensive European chemical regulations including REACH and CLP requirements. It is classified under CLP as Skin Corr. 1B and Aquatic Acute 1, requiring specific labeling with GHS05 and GHS09 pictograms and 'Danger' signal word. While not currently listed as an SVHC substance, it must comply with registration, evaluation, and authorization procedures. National regulations may impose additional restrictions on use, storage, and handling. Companies must maintain safety data sheets and ensure worker training compliance.

Where to buy potassium sulfane in Europe?

Potassium sulfane is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides reliable supply chain management for industrial customers requiring this corrosive chemical compound. As a professional chemical distributor, OYSI ensures compliance with all European regulations including REACH and ADR transport requirements. They provide proper documentation, safety data sheets, and technical support for industrial applications. Contact OYSI directly for availability, specifications, and delivery options tailored to your specific industrial requirements.

Data Sources

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