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structure of 21109-95-5

Barium Sulfide(CAS 21109-95-5)

CAS No.: 21109-95-5 Brand: MolBest
M. Ft.: BaS Cat. No: G8861095
M. Wt.: 169.39 MDL: MFCD00014192
Storage: Store in a cool,dry area. Use: For laboratory research use only
UN No.: UN 2813 4.3 /PG II
Purity Grade Package Stock Price Quantity
-200mesh,99.9%(metals basis)
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Extra Pure 250MG In Stock 7 USD
-200mesh,99.9%(metals basis)
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Extra Pure 1G In Stock 21 USD
-200mesh,99.9%(metals basis)
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Extra Pure 5G In Stock 78 USD
-200mesh,99.9%(metals basis)
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Extra Pure 25G In Stock 305 USD
-200mesh,99.9%(metals basis)
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Extra Pure 100G In Stock 1190 USD
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Applications of 21109-95-5

Barium sulfide has various applications:

  • Pigment Production: It is used in the manufacture of lithopone, a white pigment made from the combination of zinc sulfate and barium sulfide.
  • Phosphorescent Materials: Historically, it has been used in phosphorescent materials due to its luminescent properties when exposed to light.
  • Chemical Intermediate: Barium sulfide serves as an intermediate for producing other barium compounds, such as barium carbonate, which is widely used in ceramics and glass manufacturing.

Physical and chemical properties of 21109-95-5

Density

4.25

Exact Mass

169.877319

LogP

0.64820

Melting Point

1200ºC

Merck

14,995

Molecular Formula

BaS

Molecular Weight

169.392

PSA

32.09000

Sensitivity

Moisture Sensitive

Stability

Stable, but decomposes on heating. Incompatible with acids, oxidizing agents, water.

Vapour Pressure

12600mmHg at 25°C

Water Solubility

Soluble in water but insoluble in alcohol.

Q&A for CAS 21109-95-5

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

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3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

5. Do you offer technical support?
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7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.

10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.

11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.

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Download SDS of 21109-95-5

Pictograms

Signal Word

Danger

Hazard Statements

H290 May be corrosive to metals
H301 Toxic if swallowed
H314 Causes severe skin burns and eye damage
H332 Harmful if inhaled
H400 Very toxic to aquatic life

Safety Data Sheet

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Operate under the ISO 9001 system