Magnesium oxide (CAS 1309-48-4) — formula MgO, molecular weight 39.98 g/mol.
| 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) |
Magnesium oxide is a chemical compound with CAS registry number 1309-48-4 and molecular formula MgO (molecular weight 39.98 g/mol).
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
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.
Independent reference data for Magnesium oxide (CAS 1309-48-4), compiled from public chemistry databases.
| CAS 号 | 1309-48-4 |
|---|---|
| PubChem CID | 14792 |
| 分子式 | MgO |
| 分子量 | 39.98 g/mol |
| IUPAC 名称 | oxomagnesium |
| InChIKey | CPLXHLVBOLITMK-UHFFFAOYSA-N |
| UNII（FDA） | 3A3U0GI71G |
| ChEBI 编号 | CHEBI:31794 |
| ATC 编码（WHO） | A02AA02 |
| 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
| 法规与食品接触 | FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, FLAVOR ENHANCER, FLAVORING AG FDA 21 CFR 中列出的食品接触物质清单：FCS ANTICAKING_AGENT: Food Additives ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FORMULATION A NOT LIMITED NMRS 40/TRS 339-JECFA 9/16 |
|---|
| 已通报的危害声明 | H319, H335 |
|---|
氧化镁 的 CAS 号为 1309-48-4，分子式 MgO，分子量 39.98 g/mol。 UNII 3A3U0GI71G; ChEBI 31794; InChIKey CPLXHLVBOLITMK-UHFFFAOYSA-N. Boiling Point: 6512 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 3,600 °C; Boiling Point: 3600 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 重质氧化镁