-
-
Cardiology
-
Clinical Oncology
-
Dental
-
Dermatology
-
Ear, Nose, Throat (ENT)
-
Endocrinology
-
Gastroenterology
-
General Surgery
-
Gynecology & Obstetrics
-
Interventional Cardiology
-
Nephrology
-
Neurology
-
Oncology Surgery
-
Ophthalmology
-
Orthopedics
-
Pediatrics
-
Pediatrics Surgery
-
Physiotherapy
-
Plastic Surgery
-
Psychiatry & Psychology
-
Radiology
-
Urology
-
Vascular Surgery
-
Barium Sulphide is an inorganic compound consisting of barium and sulphide ions, with the chemical formula BaS. Also known as barium monosulphide or barium(II) sulphide, it belongs to the metal sulphide family and is relevant to inorganic chemistry and materials research. It has a formula mass of approximately 169.39 g/mol and may occur as a white, grey, or darker solid depending on its purity and physical form. Barium Sulphide reacts with acids to release toxic hydrogen sulphide gas and can undergo chemical changes when exposed to moisture. It is used in specialised research involving inorganic sulphides and as a starting material for preparing other barium compounds. Barium Sulphide Laboratory Reagent should be selected according to the intended procedure and specified product characteristics. Its toxicity and hazardous reactivity require trained handling, appropriate ventilation, compatible storage, and strict adherence to laboratory safety and waste disposal procedures.
Product Specifications
| Specification | Details |
|---|---|
| Appearance | Grey powder |
| Assay | 99% |
| Chemical Name | Barium Sulphide |
| Alternate Names | Barium Sulfide, Barium Monosulphide, Barium(II) Sulphide |
| Molecular Formula | BaS |
| Empirical Formula | BaS |
| CAS Number | 21109-95-5 |
| Molecular Weight | 169.39 g/mol |
| Grade | LR Laboratory Reagent |
Key Features of Barium Sulphide
- Defined inorganic composition: Consists of barium and sulphide ions in a 1:1 atomic ratio.
- Characteristic solid form: Barium Sulphide is available as a powder, with colour varying according to the material’s purity and condition.
- Reactive sulphide chemistry: Reacts with acids to release hydrogen sulphide, a highly toxic gas, requiring strict chemical compatibility controls.
- Precursor for other compounds: Serves as a starting material in the preparation of selected barium compounds through controlled chemical processes.
- Specialised research relevance: Suitable for selected inorganic chemistry and materials investigations when the method and safety requirements permit its use.
Laboratory Applications of Barium Sulphide
- Inorganic chemistry research: Used in selected investigations of metal sulphides, ionic compounds, and their chemical reactivity.
- Preparation of barium compounds: Can serve as a starting material for preparing other barium salts through established procedures performed under suitable controls.
- Sulphide chemistry studies: Relevant to specialised research examining sulphide ion chemistry and reactions involving inorganic sulphur compounds.
- Materials science investigations: May be used in selected research involving barium-containing materials and inorganic solid-state chemistry.
- Laboratory method development: Can support specialised studies of sulphide reactions when the experimental method specifically requires Barium Sulphide and appropriate containment is available. Contact with acids must be prevented because toxic hydrogen sulphide gas can be released.
Why Choose Lab Wale to Buy Barium Sulphide
Lab Wale offers a sourcing option for laboratory chemicals and scientific supplies used by colleges, universities, research centres, and laboratory professionals. When purchasing Barium Sulphide, review the chemical identity, stated LR Laboratory Reagent grade, pack size, and available technical and safety information to assess suitability for the intended procedure. Because this compound can release highly toxic hydrogen sulphide gas on contact with acids, compatibility, storage, and handling requirements deserve particular attention. The listed 1 kg pack size can be considered when planning institutional procurement and safe storage arrangements.
Frequently Asked Questions About Barium Sulphide
What is Barium Sulphide used for in laboratories?
Barium Sulphide is used in selected inorganic chemistry investigations and as a starting material for preparing other barium compounds. It may also be relevant to specialised materials research involving inorganic sulphides. Its use requires appropriate containment, trained personnel, and careful control of incompatible chemicals because contact with acids can release toxic hydrogen sulphide gas.
What are the molecular formula and molecular weight of Barium Sulphide?
The molecular formula of Barium Sulphide is BaS, and its formula mass is approximately 169.39 g/mol. Its empirical formula is also BaS because the ratio of barium to sulphur atoms is already the simplest whole-number ratio. These values refer to the anhydrous compound.
What is the CAS number of Barium Sulphide?
The CAS Registry Number commonly used for Barium Sulphide is 21109-95-5. This identifier helps distinguish the compound from other barium salts and sulphur-containing materials during procurement, inventory management, and safety documentation review. Confirm the chemical identity against the product’s technical information before use.
Why must Barium Sulphide be kept away from acids?
Barium Sulphide reacts with acids and can release hydrogen sulphide gas, which is highly toxic when inhaled. Even unintended contact can create a serious exposure hazard. Keep it segregated from acids, use appropriate ventilation and containment, and follow the current Safety Data Sheet and institutional chemical compatibility procedures.
How should Barium Sulphide be stored and handled safely?
Store Barium Sulphide in a tightly closed, compatible, clearly labelled container in a dry, well-ventilated area. Avoid moisture, dust generation, and contact with acids. Wear suitable gloves, protective clothing, and eye protection, and use appropriate containment. Follow approved procedures for spill response and hazardous-waste disposal.
Storage Conditions for Barium Sulphide
Store Barium Sulphide in a tightly closed, compatible, clearly labelled container in a cool, dry, well-ventilated area. Protect it from moisture and contamination, and segregate it strictly from acids and other incompatible substances. Keep the material securely stored with access restricted to trained personnel. Storage arrangements should follow the current Safety Data Sheet and prevent accidental release into drains or the environment.
Precautions for Handling Barium Sulphide
Review the current Safety Data Sheet before use. Wear suitable chemical-resistant gloves, protective clothing, and safety goggles, and avoid inhaling dust or allowing the material to contact skin and eyes. Use effective ventilation and prevent contact with acids, which can release highly toxic hydrogen sulphide gas. Do not mix it with incompatible chemicals. Ensure trained personnel manage spills, emergency procedures, and hazardous-waste disposal according to institutional requirements.


Anatomy Lab Equipments
Biochemistry Lab Equipments
Biology Lab Equipments
Chemistry Lab Equipments
Cytology Lab Equipments
Cytopathology Lab Equipments
Dental Lab Equipments
Forensic Lab Equipments
Genetics Lab Equipments
Hematology Lab Equipments
Histology Lab Equipments
Histopathology Lab Equipments
Mathematics Lab Equipments
Microbiology Lab Equipments
Molecular Biology Lab Equipments
Pathology Lab Equipments
Pharmaceutical Lab Equipments
Physics Lab Equipments
Radiology Lab Equipments
Science Lab Kit’s
Toxicology Lab Equipments

Borosilicate Glass Beaker
Plastic Beaker (Euro Design)
Plastic Beaker (Printed Graduation)
Test Tube Brush
Measuring Cylinder Brush
Conical Flask Brush
Volumetric Flask Brush
Round Bottom Flask Brush
Glass Beaker Brush
Pipette Brush
Wash Bottle Brush
Borosilicate Büchner Flask
Borosilicate Erlenmeyer/Conical Flask
Borosilicate Pear-Shaped Flask
Borosilicate Round Bottom Flask
Plastic Conical Flask
Plastic Volumetric Flask
Bunsen Burner
Spirit Lamp
Borosilicate Glass Burette
Plastic Burette
Capillary Tube
Centrifuge Tube
Test Tube
Ria Vial
Vacutainer Tubes
Syringes
Student Microscope
Binocular Microscope
Dissecting Microscope
Microscope Glass Slides
Cover Slip
Inoculating Loop
Slide Box
Lamps
Oils
Beaker Tongs
Crucible Tongs
Flask Tongs
Borosilicate Glass Funnel
Plastic Funnels
Wash Bottle
Borosilicate Glass Reagent Bottle
Plastic Reagent Bottle
Borosilicate Measuring Cylinder
Plastic Measuring Cylinder
Borosilicate Glass Graduated Pipette
Borosilicate Glass Volumetric Pipette
HB Pipette
Pasteur Pipette
Micropipettes
Micropipette Tips
Filter Paper
Litmus Paper
pH Paper
Chromatography Paper
Plastic Petri Plates (Sterile)
Glass Petri Plates (Non-Sterile)
Safety Goggles
Lab Coats
Gloves
Masks
Shoe Covers
Hair & Beard Covers
Steel Spatula
Plastic Spatula
Hitachi Sample Cup
Plastic Scoop
Plastic Medicine Cup
Dissecting Tool Kit
Dissecting Forceps
Hemostatic Forceps
Blood Culture Bottle
Urine Container
Wooden Swab Stick
Test Tube Holder
Test Tube Racks
Magnifying Glass
Watch Glass
Mortar and Pestle
Coplin Jar
Plastic Stirrer
Glass Stirrer
Crucible
Tripod
Wire Mesh
Laboratory Thermometer
Tourniquet
Alcohol Swab
Blood Lancet
Bandage
Gloves & Masks











Cardiology
Clinical Oncology







Reviews
Clear filtersThere are no reviews yet.