银（CAS 7440-22-4）：分子式 Ag、分子量 107.868；类别 染料及颜料。
| CAS号 | 7440-22-4 |
|---|---|
| 分子式 | Ag |
| 分子量 | 107.868 |
| 熔点 | 1763.5 °F (NTP, 1992) |
| 沸点 | 4014 °F at 760 mmHg (NTP, 1992) |
| 类别 | 着色剂 |
银 是一种着色或颜料类化合物，登记 CAS 号为 7440-22-4，分子式 Ag（分子量 107.868），归属于染料及颜料大类化工原料。
登记 CAS 号：7440-22-4
其分子式 Ag 由 1 个银 组成。
别名/同义词：银 · Silver
所属分类：染料及颜料
银 的 CAS 登记号为 7440-22-4。
分子式 Ag，分子量 107.868。
别名/同义词：银、Silver。
所属分类：着色剂。
银（CAS 7440-22-4）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 7440-22-4 |
|---|---|
| PubChem CID | 23954 |
| Molecular formula | Ag |
| IUPAC name | silver |
| UNII (FDA) | 3M4G523W1G |
| Molecular Weight | 107.868 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 106.90509 |
| Monoisotopic Mass | 106.90509 |
| Topological Polar Surface Area | 0 |
| Heavy Atom Count | 1 |
| Boiling Point | 4014 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Boiling Point | 2212 |
| Boiling Point | Approx 2000 °C |
| Boiling Point | 2212 °C |
| Boiling Point | 4014 °F |
| Boiling Point | 2162 °C @760 [mm Hg] |
| Boiling Point | 3632 °F |
| Melting Point | 1763.5 °F (NTP, 1992) |
| Melting Point | 961 |
| Melting Point | 960.5 °C |
SILVER; 7440-22-4; Argentum; Silver atom; Silver metal; Colloidal silver; Silver, colloidal; Algaedyn; Silber; Shell silver; Astroflake 5; Carey Lea silver; Argentum metallicum; Degussa 67; Degussa 80; Silpowder 130
| Regulatory & Food Contact | FDA Regulatory Status of Color Additives: Cosmetics FDA Cumulative Estimated Daily Intake (CEDI): FCS COLOUR: Food Additives Colloidal Silver Products DECISION POSTPONED Not re-evaluated by JECFA, but the provisions for silver was withdrawn at CCFA50 |
|---|---|
| GHS notification summary | 28.9% (623 / 2154) |
| GHS notification summary | 28.9% (623 / 2154) |
|---|---|
| Reported hazard statements | H373, H400, H410, H360, H317, H320, H370, H372 |
H361f: Suspected of damaging fertility [Warning Reproductive toxicity]
H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
Silver · CAS 7440-22-4 · Ag. UNII 3M4G523W1G. Boiling Point: 4014 °F at 760 mmHg (NTP, 1992); Boiling Point: 2212; Boiling Point: Approx 2000 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Silver