金子（CAS 7440-57-5）：分子式 Au、分子量 196.96657；类别 染料及颜料。
| CAS号 | 7440-57-5 |
|---|---|
| 分子式 | Au |
| 分子量 | 196.96657 |
| 熔点 | 1064.76 deg C |
| 沸点 | 2700 deg C |
| 应用领域 | Uses: Used in photography and medicine--treatment of rheumatoid arthritis、used in alloyed or plated jewelry and dental crowns、also used to color glass、enamel、and porcelain and to guild or electroplate in art and electronics、[Kanerva、p. 512] Gold chloride used as a toner in photography、[www.ci.tucson.az.us、arthazards、medium.html] Gold nanoparticle applications include catalysts、drug delivery、solar cells、printable inks on electronic chips、detection of biomarkers of disease、probes in electron microscopy、and removal of mercury from water、[HSDB]、Electroplating [Category: Plate]、Semiconductor Manufacturing [Category: Industry]、Smelting Copper or Lead [Category: Industry]、Photographic Processing [Category: Other]、Glass Manufacturing [Category: Industry]、Metal Extraction and Refining [Category: Industry]、Jewelry making [Category: Hobbies]、In manufacture of jewelry、in gold plating other metals、as a standard of currency、most frequently alloyed with silver and copper.、Used in alloy with platinum、in photography、Infrared reflectors、electrical contact alloys、brazing alloys、polarographic electrodes、Spinnerets、laboratory ware、in electronics、colloidal dispersions used in coloring glass、as Nucleating agent、and for specialized medical treatments、gold leaf is used in surgery、Component of jewelry and art products、alloying agent with other metals、plating agent in electron tubes and other metals、component of electrical contacts and fabricated bars for investment、For more Uses (Complete) data for GOLD、ELEMENTAL (11 total)、please visit the HSDB record page.、Synthetic Polymer MALDI Matrix Compounds、Use Classification: Food additives、Food Additives -> COLOUR -> JECFA Functional Classes、Cosmetics -> Cosmetic colorant、Industry Uses: Other、Not Known or Reasonably Ascertainable、Intermediate、Consumer Uses: Intermediate、Methods of Manufacturing: Ore is treated with cyanide solution、dissolved gold cyanate is recovered by precipitation with zinc dust、aluminum、or by hydrolysis. Placer methods are also used.、In internal amalgamation、gold is separated inside crushing apparatus at same time ore is crushed. Amalgam removed from apparatus is washed free of any admixtures with water in special bowls. ...remaining mercury is pressed out of amalgam.、Crushing of ore and extraction (mechanical、amalgamation、or cyanidation) followed by electrolytic refining or chemical refining (use of chlorine or treatment with either hot nitric or sulfuric acid、Obtained as a by-product in the electrolytic refining of copper and nickel、Formulations、Preparations: INGOTS、SHEET、WIRE、TUBING、POWDER、LEAF、ALLOYS WITH COPPER OR OTHER METALS、GOLD CONTENT BEING EXPRESSED IN CARATS (NUMBER OF PARTS OF GOLD IN 24 PARTS OF ALLOY). SINGLE CRYSTALS & AQ COLLOIDAL SUSPENSIONS. LEAF MAY BE MADE IN NEAR-COLLOIDAL THICKNESS、1 TROY OZ COVERS 68 SQ FT (0.0001 INCH).、Consumption Patterns: Jewelry and Arts、52%、Industrial (mainly electronic)、35%、Dental、12%、and small bars、etc、mainly for investment、about 1% (1985)、U.S. Production: 2023: 250、000 - <400、000 lb、2022: 550、000 - <1、000、2021: 250、2020: 250、(1972) 4.6X10+7 G (REFINERY PRODN)、(1975) 3.4X10+7 G (REFINERY PRODN)、(1985) 1.77X10+11 g、Including: mine、primary、and secondary refinery production、(1998) 366 metric tons (mine)、277 metric tons (refinery、primary)、163 metric tons (refinery、secondary (new and old scrap))、For more U.S. Production (Complete) data for GOLD、ELEMENTAL (8 total)、U.S. Imports: (1972) 1.91X10+8 G (NOT INCL COINS)、(1975) 1.35X10+8 G (INCL COINS)、(1985) 2.64X10+11 g、(1998) 278 metric tons (refined bullion、dore、ores、concentrated、and precipitates)、For more U.S. Imports (Complete) data for GOLD、U.S. Exports: (1972) 4.58X10+7 G、(1975) 1.09X10+8 G、(1985) 1.18X10+11 g、(1998) 522 metric tons (refined bullion、For more U.S. Exports (Complete) data for GOLD、General Manufacturing Information: Computer and Electronic Product Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、Miscellaneous Manufacturing、Adhesive Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Pharmaceutical and Medicine Manufacturing、Gold: ACTIVE、Purple of cassius is delicate test for auric gold. ...gold、like other precious metals、is measured in troy weight、when alloyed with other metals、term karat is used to express amount of gold present、24 karats being pure gold. |
| 类别 | 着色剂 |
登记用途：Uses: Used in photography and medicine--treatment of rheumatoid arthritis、used in alloyed or plated jewelry and dental crowns、also used to color glass、enamel、and porcelain and to guild or electroplate in art and electronics、[Kanerva、p. 512] Gold chloride used as a toner in photography、[www.ci.tucson.az.us、arthazards、medium.html] Gold nanoparticle applications include catalysts、drug delivery、solar cells、printable inks on electronic chips、detection of biomarkers of disease、probes in electron microscopy、and removal of mercury from water、[HSDB]、Electroplating [Category: Plate]、Semiconductor Manufacturing [Category: Industry]、Smelting Copper or Lead [Category: Industry]、Photographic Processing [Category: Other]、Glass Manufacturing [Category: Industry]、Metal Extraction and Refining [Category: Industry]、Jewelry making [Category: Hobbies]、In manufacture of jewelry、in gold plating other metals、as a standard of currency、most frequently alloyed with silver and copper.、Used in alloy with platinum、in photography、Infrared reflectors、electrical contact alloys、brazing alloys、polarographic electrodes、Spinnerets、laboratory ware、in electronics、colloidal dispersions used in coloring glass、as Nucleating agent、and for specialized medical treatments、gold leaf is used in surgery、Component of jewelry and art products、alloying agent with other metals、plating agent in electron tubes and other metals、component of electrical contacts and fabricated bars for investment、For more Uses (Complete) data for GOLD、ELEMENTAL (11 total)、please visit the HSDB record page.、Synthetic Polymer MALDI Matrix Compounds、Use Classification: Food additives、Food Additives -> COLOUR -> JECFA Functional Classes、Cosmetics -> Cosmetic colorant、Industry Uses: Other、Not Known or Reasonably Ascertainable、Intermediate、Consumer Uses: Intermediate、Methods of Manufacturing: Ore is treated with cyanide solution、dissolved gold cyanate is recovered by precipitation with zinc dust、aluminum、or by hydrolysis. Placer methods are also used.、In internal amalgamation、gold is separated inside crushing apparatus at same time ore is crushed. Amalgam removed from apparatus is washed free of any admixtures with water in special bowls. ...remaining mercury is pressed out of amalgam.、Crushing of ore and extraction (mechanical、amalgamation、or cyanidation) followed by electrolytic refining or chemical refining (use of chlorine or treatment with either hot nitric or sulfuric acid、Obtained as a by-product in the electrolytic refining of copper and nickel、Formulations、Preparations: INGOTS、SHEET、WIRE、TUBING、POWDER、LEAF、ALLOYS WITH COPPER OR OTHER METALS、GOLD CONTENT BEING EXPRESSED IN CARATS (NUMBER OF PARTS OF GOLD IN 24 PARTS OF ALLOY). SINGLE CRYSTALS & AQ COLLOIDAL SUSPENSIONS. LEAF MAY BE MADE IN NEAR-COLLOIDAL THICKNESS、1 TROY OZ COVERS 68 SQ FT (0.0001 INCH).、Consumption Patterns: Jewelry and Arts、52%、Industrial (mainly electronic)、35%、Dental、12%、and small bars、etc、mainly for investment、about 1% (1985)、U.S. Production: 2023: 250、000 - <400、000 lb、2022: 550、000 - <1、000、2021: 250、2020: 250、(1972) 4.6X10+7 G (REFINERY PRODN)、(1975) 3.4X10+7 G (REFINERY PRODN)、(1985) 1.77X10+11 g、Including: mine、primary、and secondary refinery production、(1998) 366 metric tons (mine)、277 metric tons (refinery、primary)、163 metric tons (refinery、secondary (new and old scrap))、For more U.S. Production (Complete) data for GOLD、ELEMENTAL (8 total)、U.S. Imports: (1972) 1.91X10+8 G (NOT INCL COINS)、(1975) 1.35X10+8 G (INCL COINS)、(1985) 2.64X10+11 g、(1998) 278 metric tons (refined bullion、dore、ores、concentrated、and precipitates)、For more U.S. Imports (Complete) data for GOLD、U.S. Exports: (1972) 4.58X10+7 G、(1975) 1.09X10+8 G、(1985) 1.18X10+11 g、(1998) 522 metric tons (refined bullion、For more U.S. Exports (Complete) data for GOLD、General Manufacturing Information: Computer and Electronic Product Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、Miscellaneous Manufacturing、Adhesive Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Pharmaceutical and Medicine Manufacturing、Gold: ACTIVE、Purple of cassius is delicate test for auric gold. ...gold、like other precious metals、is measured in troy weight、when alloyed with other metals、term karat is used to express amount of gold present、24 karats being pure gold.。
金子 是一种着色或颜料类化合物，登记 CAS 号为 7440-57-5，分子式 Au（分子量 196.96657），归属于染料及颜料大类化工原料。
登记 CAS 号：7440-57-5
其分子式 Au 由 1 个金 组成。
别名/同义词：金子 · Gold
所属分类：染料及颜料
金子 的 CAS 登记号为 7440-57-5。
分子式 Au，分子量 196.96657。
别名/同义词：金子、Gold。
登记用途：Uses: Used in photography and medicine--treatment of rheumatoid arthritis、used in alloyed or plated jewelry and dental crowns、also used to color glass、enamel、and porcelain and to guild or electroplate in art and electronics、[Kanerva、p. 512] Gold chloride used as a toner in photography、[www.ci.tucson.az.us、arthazards、medium.html] Gold nanoparticle applications include catalysts、drug delivery、solar cells、printable inks on electronic chips、detection of biomarkers of disease、probes in electron microscopy、and removal of mercury from water、[HSDB]、Electroplating [Category: Plate]、Semiconductor Manufacturing [Category: Industry]、Smelting Copper or Lead [Category: Industry]、Photographic Processing [Category: Other]、Glass Manufacturing [Category: Industry]、Metal Extraction and Refining [Category: Industry]、Jewelry making [Category: Hobbies]、In manufacture of jewelry、in gold plating other metals、as a standard of currency、most frequently alloyed with silver and copper.、Used in alloy with platinum、in photography、Infrared reflectors、electrical contact alloys、brazing alloys、polarographic electrodes、Spinnerets、laboratory ware、in electronics、colloidal dispersions used in coloring glass、as Nucleating agent、and for specialized medical treatments、gold leaf is used in surgery、Component of jewelry and art products、alloying agent with other metals、plating agent in electron tubes and other metals、component of electrical contacts and fabricated bars for investment、For more Uses (Complete) data for GOLD、ELEMENTAL (11 total)、please visit the HSDB record page.、Synthetic Polymer MALDI Matrix Compounds、Use Classification: Food additives、Food Additives -> COLOUR -> JECFA Functional Classes、Cosmetics -> Cosmetic colorant、Industry Uses: Other、Not Known or Reasonably Ascertainable、Intermediate、Consumer Uses: Intermediate、Methods of Manufacturing: Ore is treated with cyanide solution、dissolved gold cyanate is recovered by precipitation with zinc dust、aluminum、or by hydrolysis. Placer methods are also used.、In internal amalgamation、gold is separated inside crushing apparatus at same time ore is crushed. Amalgam removed from apparatus is washed free of any admixtures with water in special bowls. ...remaining mercury is pressed out of amalgam.、Crushing of ore and extraction (mechanical、amalgamation、or cyanidation) followed by electrolytic refining or chemical refining (use of chlorine or treatment with either hot nitric or sulfuric acid、Obtained as a by-product in the electrolytic refining of copper and nickel、Formulations、Preparations: INGOTS、SHEET、WIRE、TUBING、POWDER、LEAF、ALLOYS WITH COPPER OR OTHER METALS、GOLD CONTENT BEING EXPRESSED IN CARATS (NUMBER OF PARTS OF GOLD IN 24 PARTS OF ALLOY). SINGLE CRYSTALS & AQ COLLOIDAL SUSPENSIONS. LEAF MAY BE MADE IN NEAR-COLLOIDAL THICKNESS、1 TROY OZ COVERS 68 SQ FT (0.0001 INCH).、Consumption Patterns: Jewelry and Arts、52%、Industrial (mainly electronic)、35%、Dental、12%、and small bars、etc、mainly for investment、about 1% (1985)、U.S. Production: 2023: 250、000 - <400、000 lb、2022: 550、000 - <1、000、2021: 250、2020: 250、(1972) 4.6X10+7 G (REFINERY PRODN)、(1975) 3.4X10+7 G (REFINERY PRODN)、(1985) 1.77X10+11 g、Including: mine、primary、and secondary refinery production、(1998) 366 metric tons (mine)、277 metric tons (refinery、primary)、163 metric tons (refinery、secondary (new and old scrap))、For more U.S. Production (Complete) data for GOLD、ELEMENTAL (8 total)、U.S. Imports: (1972) 1.91X10+8 G (NOT INCL COINS)、(1975) 1.35X10+8 G (INCL COINS)、(1985) 2.64X10+11 g、(1998) 278 metric tons (refined bullion、dore、ores、concentrated、and precipitates)、For more U.S. Imports (Complete) data for GOLD、U.S. Exports: (1972) 4.58X10+7 G、(1975) 1.09X10+8 G、(1985) 1.18X10+11 g、(1998) 522 metric tons (refined bullion、For more U.S. Exports (Complete) data for GOLD、General Manufacturing Information: Computer and Electronic Product Manufacturing、Electrical Equipment、Appliance、and Component Manufacturing、Miscellaneous Manufacturing、Adhesive Manufacturing、Photographic Film、Paper、Plate、and Chemical Manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Pharmaceutical and Medicine Manufacturing、Gold: ACTIVE、Purple of cassius is delicate test for auric gold. ...gold、like other precious metals、is measured in troy weight、when alloyed with other metals、term karat is used to express amount of gold present、24 karats being pure gold.。
所属分类：着色剂。
金子（CAS 7440-57-5）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 7440-57-5 |
|---|---|
| PubChem CID | 23985 |
| Molecular formula | Au |
| IUPAC name | gold |
| UNII (FDA) | 79Y1949PYO |
| Molecular Weight | 196.96657 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 196.966570 |
| Monoisotopic Mass | 196.966570 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 1 |
| Boiling Point | 2700 deg C |
|---|---|
| Boiling Point | 2856 °C @760 [mm Hg] |
| Melting Point | 1064.76 deg C |
| Melting Point | 1064.76 °C |
| Density | 19.3 |
| Density | 19.3 @25 °C |
| Vapor Pressure | 1 [mm Hg] @1869 °C |
| Heat of Vaporization | 324 kJ/mol |
GOLD; 7440-57-5; Gold powder; Colloidal gold; Gold flake; Gold leaf; Gold, colloidal; Gold, elemental; Shell Gold; Burnish gold; Magnesium gold purple; Aurum Metallicum; CI 77480; 79Y1949PYO; C.I. 77480; Gold (e 175)
| Regulatory & Food Contact | COLOUR: Food Additives GOLD (metallic) NO ADI ALLOCATED Not re-evaluated by JECFA, but the provisions for gold was withdrawn at CCFA50 TRS 617-JECFA 21/19 CIR / INCI: Cosmetic colorant |
|---|---|
| GHS notification summary | 99.2% (502 / 506) |
| GHS notification summary | 99.2% (502 / 506) |
|---|
This chemical does not meet GHS hazard criteria for 99.2% (502 of 506) of all reports.
Reported as not meeting GHS hazard criteria by 502 of 506 companies (only 0.8% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Gold · CAS 7440-57-5 · Au. UNII 79Y1949PYO. Boiling Point: 2700 deg C; Boiling Point: 2856 °C @760 [mm Hg]; Melting Point: 1064.76 deg C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Gold