Barium sulfate (CAS 7727-43-7) — formula BaSO4, molecular weight 233.39; category fine chemicals.
Barium sulfate (CAS 7727-43-7) is a fine chemicals. Its molecular formula BaSO4 comprises 1 Ba, 1 S, 4 O atoms. Its molecular weight is about 233.39. Reported physicochemical data: melting point around 2876 °F (NIOSH, 2024). Fine chemicals are high-value, multi-variety, small-batch products emphasizing purity and specification customization, also covering general chemical raw materials. Targeting pharmaceuticals, electronics, flavors and functional materials; produced and repacked to customer specifications. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 7727-43-7 |
|---|---|
| Molecular Formula | BaSO4 |
| Molecular Weight | 233.39 |
| Melting Point | 2876 °F (NIOSH, 2024) |
| Applications | CIR ingredient: Barium Sulfate, paper, paints, textiles, plastics, batteries |
| Category | Fine Chemicals|Coatings |
Documented applications: CIR ingredient: Barium Sulfate, paper, paints, textiles, plastics, batteries.
Barium sulfate is a high-value fine compound with CAS registry number 7727-43-7 and molecular formula BaSO4 (molecular weight 233.39), belonging to the fine chemicals segment of chemical raw materials.
CAS number: 7727-43-7
Its molecular formula BaSO4 comprises 1 Ba, 1 S, 4 O atoms.
Also known as: Barium sulfate · 硫酸钡
Category: fine chemicals / dyes and pigments
The CAS registry number of Barium sulfate is 7727-43-7.
Molecular formula BaSO4, molecular weight 233.39.
It is also registered under: Barium sulfate, 硫酸钡.
Recorded applications: CIR ingredient: Barium Sulfate, paper, paints, textiles, plastics, batteries.
Category: Fine Chemicals / Coatings.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Barium sulfate (CAS 7727-43-7), compiled from public chemistry databases.
| CAS Registry Number | 7727-43-7 |
|---|---|
| PubChem CID | 24414 |
| Molecular formula | BaSO4 |
| IUPAC name | barium(2+) sulfate |
| UNII (FDA) | 25BB7EKE2E |
| Molecular Weight | 233.39 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 233.856977 |
| Monoisotopic Mass | 233.856977 |
| Topological Polar Surface Area | 88.6 |
| Heavy Atom Count | 6 |
| Melting Point | 2876 °F (NIOSH, 2024) |
|---|---|
| Melting Point | 1580 |
| Melting Point | 1580 °C |
| Melting Point | 2876 °F |
| Solubility | 0.0002 % at 64 °F (NIOSH, 2024) |
| Solubility | (64 °F): 0.0002% |
| Density | 4.49 g/cu cm |
| Density | 4.5 g/cm³ |
| Density | 4.25-4.5 |
| Density | 4.49 @25 °C |
BARIUM SULFATE; 7727-43-7; Baritop; Barium sulphate; Barosperse; Barotrast; Esophotrast; Liquipake; Macropaque; Micropaque; Microtrast; Radiobaryt; Radiopaque; EntroBar; EneMark; EneCat
| Regulatory & Food Contact | FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Cosmetic ingredients (Barium Sulfate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Cosmetic colorant; Opacifying |
|---|---|
| GHS notification summary | 91% (1648 / 1811) |
| GHS notification summary | 91% (1648 / 1811) |
|---|---|
| Reported hazard statements | H302 (16.6%), H332 (16.6%), H372, H402, H412 |
This chemical does not meet GHS hazard criteria for 91% (1648 of 1811) of all reports.
Reported as not meeting GHS hazard criteria by 1648 of 1811 companies (only 9% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Barium sulfate · CAS 7727-43-7 · BaSO4. UNII 25BB7EKE2E. Melting Point: 2876 °F (NIOSH, 2024); Melting Point: 1580; Melting Point: 1580 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 硫酸钡