Germanium metal (CAS 7440-56-4) — formula Ge, molecular weight 72.63; category organic chemicals.
Germanium metal (CAS 7440-56-4) is a chemical raw material in the organic chemicals category. Its molecular formula Ge comprises 1 Ge atom. Its molecular weight is about 72.63. Reported physicochemical data: melting point around 937.2 °C, boiling point around 2700 °C. 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 | 7440-56-4 |
|---|---|
| Molecular Formula | Ge |
| Molecular Weight | 72.63 |
| Melting Point | 937.2 °C |
| Boiling Point | 2700 °C |
| Applications | Used to make rectifying devices (germanium diodes), transistors, and red-fluorescing phosphors, Also used in dental alloys, catalysts, electroplating |
| Category | Organic Chemicals |
Documented applications: Used to make rectifying devices (germanium diodes), transistors, and red-fluorescing phosphors, Also used in dental alloys, catalysts, electroplating.
Germanium metal is a carbon-based organic compound with CAS registry number 7440-56-4 and molecular formula Ge (molecular weight 72.63), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 7440-56-4
Its molecular formula Ge comprises 1 Ge atom.
Also known as: Germanium metal · 锗 · Germanium
Category: organic chemicals
The CAS registry number of Germanium metal is 7440-56-4.
Molecular formula Ge, molecular weight 72.63.
It is also registered under: Germanium metal, 锗, Germanium.
Recorded applications: Used to make rectifying devices (germanium diodes), transistors, and red-fluorescing phosphors, Also used in dental alloys, catalysts, electroplating.
Category: Organic 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 Germanium metal (CAS 7440-56-4), compiled from public chemistry databases.
| CAS Number | 7440-56-4 |
|---|---|
| PubChem CID | 6326954 |
| Molecular Formula | Ge |
| IUPAC Name | germanium |
| UNII (FDA) | 00072J7XWS |
| Molecular Weight | 72.63 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 73.9211778 |
| Monoisotopic Mass | 73.9211778 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 1 |
| Boiling Point | 2700 °C |
|---|---|
| Boiling Point | 2833 °C @760 [mm Hg] |
| Melting Point | 937.2 °C |
| Density | 5.323 @ 25 °C/4 °C |
| Density | 5.323 @25 °C |
| Vapor Pressure | 0 mm Hg @ 25 °C |
| Heat of Combustion | 7380 J/g |
| Surface Tension | 6X10-1 N/m @ 1673.1 K |
GERMANIUM; 7440-56-4; Germanium element; Germanium, metal powder; DTXSID8052483; 00072J7XWS; GERMANIUM METALLICUM; CHEBI:30441; RefChem:57049; DTXCID5031056; 231-164-3; Germanium powder; germanium atom; germanium(2+); 13572-99-1; MFCD00011028
| Regulatory & food contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS |
|---|---|
| GHS notifications | 58.3% (186 / 319) |
| GHS notifications | 58.3% (186 / 319) |
|---|---|
| Notified hazard statements | H228 (13.5%), H361 (27.3%), H373 (27.3%), H412 (27%) |
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 锗