Germanium（CAS 7440-56-4）：分子式 Ge、分子量 72.63；类别 有机化学品。
登记用途：Uses: Used to make rectifying devices (germanium diodes)、transistors、and red-fluorescing phosphors、Also used in dental alloys、catalysts、electroplating、infrared optics、gamma-ray spectroscopy、fiber optics、and veterinary medications、[HSDB] Used in brazing alloys、gold alloys、and beryllium alloys、[Hawley] Mainly used to make infrared sensing systems、Use in semiconductors is declining、Worldwide uses are: fiber optic systems (30%)、polymerization catalysts (25%)、electronic、solar applications (15%)、and other (phosphors、metallurgy、and chemotherapy)、[Nordberg、p. 802]、Brazing [Category: Heat or Machine]、Electroplating [Category: Plate]、Semiconductor Manufacturing [Category: Industry]、Metal Extraction and Refining [Category: Industry]、IN ELECTRONICS: MANUFACTURE OF RECTIFYING DEVICES (GERMANIUM DIODES)、TRANSISTORS、IN RED-FLUORESCING PHOSPHORS、IN DENTAL ALLOYS、IN PRODN OF GLASS CAPABLE OF TRANSMITTING INFRARED RADIATION、AS A CATALYST、IN ELECTROPLATING、(VET): INTESTINAL ASTRINGENT、In infrared optics、and fiber optics.、Methods of Manufacturing: ...SMELTING PRODUCES CRUDE GERMANIUM CONCENTRATES FROM WHICH GERMANIUM TETRACHLORIDE CAN BE DISTILLED & CONVERTED TO GERMANIUM OXIDE BY HYDROLYSIS IN WATER. OXIDE...REDUCED IN PURE HYDROGEN @ A TEMP OF ABOUT 700 °C TO GERMANIUM METAL & THIS IS REFINED IN..."ZONE REFINING" PROCESS...、Impurities: Impurities: Boron and Silicon、Formulations、Preparations: GRADES: TRANSISTOR、IE、IMPURITIES 1 PART IN 10. FORMS: INGOTS、SINGLE CRYSTALS、PURE OR DOPED、POWDER、Available、in 99.99-99.9999% min purity grades、Consumption Patterns: Infrared Optics、60%、Fiber optics systems、15%、Detectors、10%、and Semi-conductors (incl transistors、diodes and rectifiers)、5% (1985)、Infrared systems、42%、34%、gamma-ray、X-ray、and inrared detectors、semiconductors (including transistors、diodes、and rectifiers)、8%、and other applications (catalysts、phosphors、metalurgy、6% (1992).、U.S. Production: (1985) 2.0X10+9 g、13、000 kg (1992) from both primary and secondary materials.、U.S. Imports: (1985) 1.1X10+9 g、12、600 kg (1992)、General Manufacturing Information: Germanium: ACTIVE、GERMANIUM OCCURS IN SOME MINERAL ORES BUT IS PRODUCED IN UNITED STATES PRIMARILY AS BY-PRODUCT OF ZINC.、GERMANIUM...、IS、TRANSPARENT TO INFRARED &...USED IN INFRARED SPECTROSCOPES & OTHER OPTICAL EQUIPMENT、INCL EXTREMELY SENSITIVE INFRARED DETECTORS.、DOPED WITH ARSENIC、GALLIUM、OR OTHER ELEMENTS、IT IS USED AS TRANSISTOR ELEMENT IN THOUSANDS OF ELECTRONIC APPLICATIONS. ...AS SEMICONDUCTOR ELEMENT NOW PROVIDES LARGEST USE OF GERMANIUM.、GERMANIUM CATALYSTS ARE USED IN SOME PETROLEUM REFINING OPERATIONS & PROCESSES FOR PRODUCTION OF POLYESTER FIBERS.、For more General Manufacturing Information (Complete) data for GERMANIUM (6 total)、please visit the HSDB record page.。
Germanium 是一种以碳骨架为基础的有机化合物，登记 CAS 号为 7440-56-4，分子式 Ge（分子量 72.63），归属于有机化学品大类化工原料。
登记 CAS 号：7440-56-4
其分子式 Ge 由 1 个锗 组成。
别名/同义词：Germanium · Germanium metal
所属分类：有机化学品
Germanium 的 CAS 登记号为 7440-56-4。
分子式 Ge，分子量 72.63。
别名/同义词：Germanium、Germanium metal。
登记用途：Uses: Used to make rectifying devices (germanium diodes)、transistors、and red-fluorescing phosphors、Also used in dental alloys、catalysts、electroplating、infrared optics、gamma-ray spectroscopy、fiber optics、and veterinary medications、[HSDB] Used in brazing alloys、gold alloys、and beryllium alloys、[Hawley] Mainly used to make infrared sensing systems、Use in semiconductors is declining、Worldwide uses are: fiber optic systems (30%)、polymerization catalysts (25%)、electronic、solar applications (15%)、and other (phosphors、metallurgy、and chemotherapy)、[Nordberg、p. 802]、Brazing [Category: Heat or Machine]、Electroplating [Category: Plate]、Semiconductor Manufacturing [Category: Industry]、Metal Extraction and Refining [Category: Industry]、IN ELECTRONICS: MANUFACTURE OF RECTIFYING DEVICES (GERMANIUM DIODES)、TRANSISTORS、IN RED-FLUORESCING PHOSPHORS、IN DENTAL ALLOYS、IN PRODN OF GLASS CAPABLE OF TRANSMITTING INFRARED RADIATION、AS A CATALYST、IN ELECTROPLATING、(VET): INTESTINAL ASTRINGENT、In infrared optics、and fiber optics.、Methods of Manufacturing: ...SMELTING PRODUCES CRUDE GERMANIUM CONCENTRATES FROM WHICH GERMANIUM TETRACHLORIDE CAN BE DISTILLED & CONVERTED TO GERMANIUM OXIDE BY HYDROLYSIS IN WATER. OXIDE...REDUCED IN PURE HYDROGEN @ A TEMP OF ABOUT 700 °C TO GERMANIUM METAL & THIS IS REFINED IN..."ZONE REFINING" PROCESS...、Impurities: Impurities: Boron and Silicon、Formulations、Preparations: GRADES: TRANSISTOR、IE、IMPURITIES 1 PART IN 10. FORMS: INGOTS、SINGLE CRYSTALS、PURE OR DOPED、POWDER、Available、in 99.99-99.9999% min purity grades、Consumption Patterns: Infrared Optics、60%、Fiber optics systems、15%、Detectors、10%、and Semi-conductors (incl transistors、diodes and rectifiers)、5% (1985)、Infrared systems、42%、34%、gamma-ray、X-ray、and inrared detectors、semiconductors (including transistors、diodes、and rectifiers)、8%、and other applications (catalysts、phosphors、metalurgy、6% (1992).、U.S. Production: (1985) 2.0X10+9 g、13、000 kg (1992) from both primary and secondary materials.、U.S. Imports: (1985) 1.1X10+9 g、12、600 kg (1992)、General Manufacturing Information: Germanium: ACTIVE、GERMANIUM OCCURS IN SOME MINERAL ORES BUT IS PRODUCED IN UNITED STATES PRIMARILY AS BY-PRODUCT OF ZINC.、GERMANIUM...、IS、TRANSPARENT TO INFRARED &...USED IN INFRARED SPECTROSCOPES & OTHER OPTICAL EQUIPMENT、INCL EXTREMELY SENSITIVE INFRARED DETECTORS.、DOPED WITH ARSENIC、GALLIUM、OR OTHER ELEMENTS、IT IS USED AS TRANSISTOR ELEMENT IN THOUSANDS OF ELECTRONIC APPLICATIONS. ...AS SEMICONDUCTOR ELEMENT NOW PROVIDES LARGEST USE OF GERMANIUM.、GERMANIUM CATALYSTS ARE USED IN SOME PETROLEUM REFINING OPERATIONS & PROCESSES FOR PRODUCTION OF POLYESTER FIBERS.、For more General Manufacturing Information (Complete) data for GERMANIUM (6 total)、please visit the HSDB record page.。
所属分类：Organic Chemicals。
Germanium（CAS 7440-56-4）的公开数据库记录，列此仅供独立核对。
| GHS 通报统计 | 58.3% (186 / 319) |
|---|---|
| 已通报的危害声明 | H228 (13.5%), H361 (27.3%), H373 (27.3%), H412 (27%) |
| 法规与食品接触 | FDA Cumulative Estimated Daily Intake (CEDI): FCS |
|---|---|
| GHS 通报统计 | 58.3% (186 / 319) |
| 沸点 | 2700 °C |
|---|---|
| 沸点 | 2833 °C @760 [mm Hg] |
| 熔点 | 937.2 °C |
| 密度 | 5.323 @ 25 °C/4 °C |
| 密度 | 5.323 @25 °C |
| 蒸气压 | 0 mm Hg @ 25 °C |
| Heat of Combustion | 7380 J/g |
| Surface Tension | 6X10-1 N/m @ 1673.1 K |
| CAS 号 | 7440-56-4 |
|---|---|
| PubChem CID | 6326954 |
| 分子式 | Ge |
| IUPAC 名称 | germanium |
| UNII（FDA） | 00072J7XWS |
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
| 分子量 | 72.63 |
|---|---|
| 氢键供体数 | 0 |
| 氢键受体数 | 0 |
| 可旋转键数 | 0 |
| 精确质量 | 73.9211778 |
| 单同位素质量 | 73.9211778 |
| 拓扑极性表面积 | 0 |
| 重原子数 | 1 |
| 形式电荷 | 0 |
| 复杂度 | 0 |
锗 · CAS 7440-56-4 · Ge. UNII 00072J7XWS. 沸点: 2700 °C; 沸点: 2833 °C @760 [mm Hg]; 熔点: 937.2 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。