SILVER(I) SULFIDE
- CAS No.
- 21548-73-2
- Chemical Name:
- SILVER(I) SULFIDE
- Synonyms
- SILVER SULFIDE;SILVER SULPHIDE;Thiodisilver(I);Disilver sulfide;disilver sulphide;SILVER(I) SULFIDE;Silver(I) Sulphide;Argentous sulfide;silversulfide(ag2s);Ag2S Silver sulfide
- CBNumber:
- CB5296097
- Molecular Formula:
- Ag2S
Crystal structure
- Molecular Weight:
- 247.8
- MDL Number:
- MFCD00003406
- MOL File:
- 21548-73-2.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| IAEA-S-2 (sulfur isotopes in silver sulfide) NIST? RM 8555 | NISTRM8555 | 0.5G | $914 |
| IAEA-S-1 (sulfur isotopes in silver sulfide) NIST? RM 8554 | NISTRM8554 | 0.5G | $958 |
| IAEA-S-3 (sulfur isotopes in silver sulfide) NIST? RM8529 | NISTRM8529 | 0.5G | $1020 |
| Silver sulfide 99.9% trace metals basis | 241474 | 5g | $109 |
| Silver sulfide 99.9% trace metals basis | 241474 | 25g | $407 |
| More product size | |||
| Melting point | 845 °C (lit.) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Boiling point | decomposes [HAW93] | ||||||||||||||
| Density | 7.234 g/mL at 25 °C (lit.) | ||||||||||||||
| solubility | Soluble in aq. HCN, aq. citric acid with KNO3. Insoluble in acids, alkalies, aqueous ammoniums. | ||||||||||||||
| form | Powder | ||||||||||||||
| color | Light yellow | ||||||||||||||
| Specific Gravity | 7.317 | ||||||||||||||
| Water Solubility | Soluble in HNO{3}, alkali cyanide solutions. Insoluble in water | ||||||||||||||
| Sensitive | Light Sensitive | ||||||||||||||
| Merck | 14,8530 | ||||||||||||||
| crystal system | Monoclinic | ||||||||||||||
| Solubility Product Constant (Ksp) | pKsp: 49.20 | ||||||||||||||
| Space group | P21/n | ||||||||||||||
| Lattice constant |
|
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| Stability | Stable. Incompatible with acids, strong oxidizing agents. | ||||||||||||||
| InChI | 1S/2Ag.S | ||||||||||||||
| InChIKey | OCWNMDUAUUAHSJ-UHFFFAOYSA-N | ||||||||||||||
| SMILES | [Ag]S[Ag] | ||||||||||||||
| CAS DataBase Reference | 21548-73-2(CAS DataBase Reference) | ||||||||||||||
| EWG's Food Scores | 1 | ||||||||||||||
| FDA UNII | 9ZB10YHC1C | ||||||||||||||
| EPA Substance Registry System | Silver sulfide (21548-73-2) | ||||||||||||||
| UNSPSC Code | 41116107 | ||||||||||||||
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| F | 8 | |||||||||
| TSCA | TSCA listed | |||||||||
| HazardClass | 9 | |||||||||
| HS Code | 28432900 | |||||||||
| Storage Class | 13 - Non Combustible Solids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| NFPA 704 |
|
SILVER(I) SULFIDE price More Price(27)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | NISTRM8555 | IAEA-S-2 (sulfur isotopes in silver sulfide) NIST? RM 8555 | 21548-73-2 | 0.5G | $914 | 2026-04-30 | Buy |
| Sigma-Aldrich | NISTRM8554 | IAEA-S-1 (sulfur isotopes in silver sulfide) NIST? RM 8554 | 21548-73-2 | 0.5G | $958 | 2026-04-30 | Buy |
| Sigma-Aldrich | NISTRM8529 | IAEA-S-3 (sulfur isotopes in silver sulfide) NIST? RM8529 | 21548-73-2 | 0.5G | $1020 | 2026-04-30 | Buy |
| Sigma-Aldrich | 241474 | Silver sulfide 99.9% trace metals basis | 21548-73-2 | 5g | $109 | 2026-04-30 | Buy |
| Sigma-Aldrich | 241474 | Silver sulfide 99.9% trace metals basis | 21548-73-2 | 25g | $407 | 2026-04-30 | Buy |
SILVER(I) SULFIDE Chemical Properties,Uses,Production
Physical Properties
Grayish-black orthogonal crystals or powder; density 7.23 g/cm3; Moh’s hardness 2.3; melts at 825°C; insoluble in water; soluble in nitric and sulfuric acids.
Occurrence and Uses
Silver sulfide occurs in nature as mineral argentite. It is used in ceramics.
Preparation
Mineral argentite is mined from mineral deposits, crushed, ground, and washed for use. In the laboratory, silver sulfide is obtained by passing hydrogen sulfide gas through a solution of silver nitrate. The precipitate is washed with hot water.
Chemical Properties
Grayish-black powder.Soluble in concentrated sulfuric and nitric acids; insoluble in water.
Physical properties
Physical Properties Grayish-black orthogonal crystals or powder; density 7.23 g/cm3; Moh’s hardness 2.3; melts at 825°C; insoluble in water; soluble in nitric and sulfuric acids.
Uses
Silver sulfide is useful as a photosensitizer in photography, Intermediates, chemical research.
Uses
Silver sulfide is a brownish back powder formed by the combination of an alkaline sulfide with silver. It is a very stable compound made when toning silver-based images in sulfides. It is soluble in sulfuric and nitric acids but insoluble in water and alcohol.
Uses
Inlaying in niello metalwork, ceramics.
General Description
SILVER(I) SULFIDE Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Antai Fine Chemical Technology Co.,Limited | 18503026267 | info@antaichem.com | CHINA | 9636 | 58 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418671 +8618949823763 | sales@tnjchem.com | China | 34563 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-89586680 +86-18192503167 | 1026@dideu.com | China | 10000 | 58 |
| Henan Alfa Chemical Co., Ltd | +8615838112936 | sale03@alfachem.cn | China | 9798 | 58 |
| Alfa Chemistry | +1-5166625404; | Info@alfa-chemistry.com | United States | 20405 | 58 |
| HANGZHOU LEAP CHEM CO., LTD. | +86-571-87711850 | market18@leapchem.com | China | 24597 | 58 |
| Shanghai Acmec Biochemical Technology Co., Ltd. | +86-18621343501; +undefined18621343501 | product@acmec-e.com | China | 33324 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 | |
| SHANGHAI KEAN TECHNOLOGY CO., LTD. | +8613817748580 | cooperation@kean-chem.com | China | 40066 | 58 |
| XIAMEN AMITY INDUSTRY AND TRADE CO., LTD. | +8618950047208 | ellena@amitychem.com | China | 43414 | 58 |
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