Silver (CAS 7440-22-4) — formula Ag, molecular weight 107.868; category dyes and pigments.
Silver (CAS 7440-22-4) is a chemical raw material in the dyes and pigments category. Its molecular formula Ag comprises 1 Ag atom. Its molecular weight is about 107.868. Reported physicochemical data: melting point around 1763.5 °F (NTP, 1992), boiling point around 4014 °F at 760 mmHg (NTP, 1992). 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 | 7440-22-4 |
|---|---|
| Molecular Formula | Ag |
| Molecular Weight | 107.868 |
| Melting Point | 1763.5 °F (NTP, 1992) |
| Boiling Point | 4014 °F at 760 mmHg (NTP, 1992) |
| Applications | Semiconductor and photovoltaic agent, Conductive agent, Binder, Alloys, Adhesion cohesion promoter, Intermediate |
| Category | Colorants|Food Additives |
Documented applications: Semiconductor and photovoltaic agent, Conductive agent, Binder, Alloys, Adhesion cohesion promoter, Intermediate.
Silver is a colorant or pigment compound with CAS registry number 7440-22-4 and molecular formula Ag (molecular weight 107.868), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 7440-22-4
Its molecular formula Ag comprises 1 Ag atom.
Also known as: Silver · 银
Category: dyes and pigments / food additives
The CAS registry number of Silver is 7440-22-4.
Molecular formula Ag, molecular weight 107.868.
It is also registered under: Silver, 银.
Recorded applications: Semiconductor and photovoltaic agent, Conductive agent, Binder, Alloys, Adhesion cohesion promoter, Intermediate.
Category: Colorants / Food Additives.
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 Silver (CAS 7440-22-4), compiled from public chemistry databases.
| 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.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 银