Magnesium oxide (CAS 1309-48-4) — formula MgO, molecular weight 39.98 g/mol; category fine chemicals.
Magnesium oxide (CAS 1309-48-4) is a chemical raw material in the fine chemicals category. Its molecular formula MgO comprises 1 Mg, 1 O atoms. Its molecular weight is about 39.98 g/mol. Reported physicochemical data: melting point around 5072 °F (NIOSH, 2024), boiling point around 6512 °F at 760 mmHg (NIOSH, 2024). 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 | 1309-48-4 |
|---|---|
| Molecular Formula | MgO |
| Molecular Weight | 39.98 g/mol |
| Melting Point | 5072 °F (NIOSH, 2024) |
| Boiling Point | 6512 °F at 760 mmHg (NIOSH, 2024) |
| Packaging | 25/50kg woven bags, 20/25/50kg fibre drums, 200kg plastic drums, 1000kg IBC (subject to order confirmation) |
| Applications | 典型应用领域：精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g |
| Category | Fine Chemicals |
Documented applications: 典型应用领域：精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g.
Magnesium oxide is a high-value fine compound with CAS registry number 1309-48-4 and molecular formula MgO (molecular weight 39.98 g/mol), belonging to the fine chemicals segment of chemical raw materials.
CAS number: 1309-48-4
Its molecular formula MgO comprises 1 Mg, 1 O atoms.
Also known as: Magnesium oxide · 氧化镁 · Magnesium Oxide Heavy · Magnesium oxide feed grade
Category: fine chemicals
The CAS registry number of Magnesium oxide is 1309-48-4.
Molecular formula MgO, molecular weight 39.98 g/mol.
It is also registered under: Magnesium oxide, 氧化镁, Magnesium Oxide Heavy, Magnesium oxide feed grade.
Recorded applications: 典型应用领域：精细化工。规格/纯度：以批次 COA 为准。包装：25/50kg 编织袋, 20/25/50kg 纸板桶, 200kg 塑料桶, 1000kg IBC（以订单确认为准）。储存：阴凉干燥, 密封保存, 开封后尽快使用。样品 10~100g 或 100~500g.
Category: Fine Chemicals.
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 Magnesium oxide (CAS 1309-48-4), compiled from public chemistry databases.
| CAS Number | 1309-48-4 |
|---|---|
| PubChem CID | 14792 |
| Molecular Formula | MgO |
| Molecular Weight | 39.98 g/mol |
| IUPAC Name | oxomagnesium |
| InChIKey | CPLXHLVBOLITMK-UHFFFAOYSA-N |
| UNII (FDA) | 3A3U0GI71G |
| Molecular Weight | 40.305 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 39.9799563 |
| Monoisotopic Mass | 39.9799563 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 2 |
| Boiling Point | 6512 °F at 760 mmHg (NIOSH, 2024) |
|---|---|
| Boiling Point | 3,600 °C |
| Boiling Point | 3600 °C |
| Boiling Point | 6512 °F |
| Boiling Point | 3600 °C @760 [mm Hg] |
| Melting Point | 5072 °F (NIOSH, 2024) |
| Melting Point | 2825 °C |
| Melting Point | 2800 °C |
| Melting Point | 5072 °F |
| Solubility | 0.009 % at 86 °F (NIOSH, 2024) |
Magnesia; Granmag; Heavy magnesium oxide; Calcined magnesia; Seawater magnesia; Anscor P; Magnesium oxide (MgO); Animag; Magcal; Marmag; Oxymag; Seasorb; Heavy magnesia; Light magnesia; Calcined brucite; Maglite de
| Notified hazard statements | H319, H335 |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 氧化镁