银,CAS 登记号 7440-22-4,由济南圣和化工有限公司现货供应,可提供纯度 按批次COA提供(不公开发布) 的规格,下游主要用于着色剂;食品添加剂。支持样品与小批量试用,批量价格请联系我们获取,验收以批次 COA 为准。
着色剂;食品添加剂
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主要涉及着色剂;食品添加剂。
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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.
| 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 |
| Formal Charge | 0 |
| Complexity | 0 |
| 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 |
| 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Additives Colloidal Silver Products DECISION POSTPONED Not re-evaluated by JECFA, but the provisions for silver was withdrawn at CCFA50 |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; 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
CAS 7440-22-4; molecular formula Ag; molecular weight — g/mol.
SILVER, 7440-22-4, Argentum, Silver atom, Silver metal, Colloidal silver.
Documented regulatory listings: FDA Regulatory Status of Color Additives: Cosmetics; FDA Cumulative Estimated Daily Intake (CEDI): FCS; COLOUR: Food Additives.
28.9% of GHS notifications report no hazard classification (623 of 2154).
Boiling Point: 4014 °F at 760 mmHg (NTP, 1992); Boiling Point: 2212; Boiling Point: Approx 2000 °C; Boiling Point: 2212 °C.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.