Barium sulfate CAS#7727-43-7

Odourless and Tasteless Properties‌:Ensures user comfort and safety in applications where sensory characteristics are critical.


‌Stability Under Various Conditions‌:Maintains integrity in diverse environments due to its chemical inertness.


Insolubility in Water‌:Provides resistance to dissolution, making it suitable for use in aqueous systems without degradation.


Polymorphous Crystal Forms Availability‌:Offers versatility in physical form for tailored industrial or medical applications.



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Product Description

Product Description of ‌Barium sulfate CAS#7727-43-7

Barium sulfate is an odorless, tasteless white-to-yellowish solid, chemically stable and nearly insoluble in water. It releases sulfur oxides when burned.


Product Application of Barium sulfate CAS#7727-43-7

Barium sulfate acts as an X-ray contrast agent for gastrointestinal imaging, and is widely applied in paints, rubber and plastics production.

Product Information

Parameters


Melting point

1580 °C

Boiling point

decomposes at 1580℃ [KIR78]

bulk density

500kg/m3

density

4.5

storage temp.

Storage temperature: no restrictions.

solubility

water: insoluble

form

powder

color

White to yellow

Specific Gravity

4.5

Odor

wh. or ylsh. fine powd. free from grittiness, odorless, tasteless

PH

3.5-10.0 (100g/l, H2O, 20℃)suspension

PH Range

7

Water Solubility

0.0022 g/L (50 ºC)

Crystal Structure

Barite

crystal system

Nogata

Merck

14,994

Space group

Pnma

Solubility Product Constant (Ksp)

pKsp: 9.97

Lattice constant

a/nmb/nmc/nmα/oβ/oγ/oV/nm30.89090.54670.7188909090

Dielectric constant

11.4(16.0℃)

Exposure limits

ACGIH: TWA 5 mg/m3OSHA: TWA 15 mg/m3; TWA 5 mg/m3NIOSH: TWA 10 mg/m3; TWA 5 mg/m3

Stability:

Stable.

LogP

-1.031 (est)

CAS DataBase Reference

7727-43-7(CAS DataBase Reference)

EPA Substance Registry System

Barium sulfate (7727-43-7)


Safety Information


Hazard Codes

Xn

Risk Statements

20/21/22-36/37/38

Safety Statements

22-24/25-36-26

OEB

B

OEL

TWA: 10 mg/m3 (total)

WGK Germany

-

RTECS

CR0600000

TSCA

Yes

HS Code

28332700

Hazardous Substances Data

7727-43-7(Hazardous Substances Data)

Toxicity

LD50 orally in Rabbit: > 20000 mg/kg


Factory Showcase

拼图_美图设计室-(1)

Quality Control Lab

实验室

Shipping And Transportation

拼图_美图设计室

FAQ

Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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