structure of 7727-43-7

Barium Sulfate(CAS 7727-43-7)

CAS No.: 7727-43-7 Brand: MolBest
M. Ft.: BaSO4 Cat. No: G4404097
M. Wt.: 233.39 MDL: MFCD00003455
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2833270000
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RG 500G In Stock 5 USD
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RG 2.5KG In Stock 20 USD
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Extra Pure 500G In Stock 95 USD
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Applications of 7727-43-7

Barium sulfate has a wide range of applications across various industries:

  • Medical Imaging: Used as a contrast agent in radiographic studies of the gastrointestinal tract.
  • Oil and Gas Industry: Employed as a weighting agent in drilling fluids to maintain borehole stability.
  • Paints and Coatings: Acts as a filler to enhance opacity and brightness.
  • Plastics: Utilized as a filler to improve mechanical properties and density.
  • Pyrotechnics: Contributes to green coloration in fireworks .

Physical and chemical properties of 7727-43-7

Boiling Point

2912 °F (Decomposes)

Decomposition

1600 °C

Density

4.25-4.5

Exact Mass

233.856964

Exposure Limits

ACGIH: TWA 5 mg/m3
OSHA: TWA 15 mg/m3; TWA 5 mg/m3
NIOSH: TWA 10 mg/m3; TWA 5 mg/m3

Index of Refraction

Indices of refraction: 1.636 (alpha), 1.637 (beta), 1.648 (gamma)

Melting Point

2876 °F

Merck

14,994

Molecular Formula

BaO4S

Molecular Weight

233.390

Odor

Odorless

pH

5% suspension in water is neutral to litmus paper

pH Range

7

PSA

88.64000

Solubility

(64 °F): 0.0002%

Stability

Stable.

Storage condition

Storage temperature: no restrictions.

Vapour Pressure

0 mmHg (approx)

Water Solubility

0.0022 g/L (50 ºC)

Q&A for CAS 7727-43-7

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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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

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Download SDS of 7727-43-7

Pictograms

Signal Word

Danger

Hazard Statements

H372 Causes damage to organs through prolonged or repeated exposure
H402 Harmful to aquatic life
H412 Harmful to aquatic life with long lasting effects

Safety Data Sheet

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Operate under the ISO 9001 system