Silver sulfide, 99%

Description

CAS: 21548-73-2 | Ag2S | 247.80 g/mol

Silver sulfide is useful as a photosensitizer in photography, Intermediates, chemical research.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 21548-73-2
• Molecular Formula: Ag2S
• Molecular Weight (g/mol): 247.80
• MDL Number: MFCD00003406
• InChI Key: XUARKZBEFFVFRG-UHFFFAOYSA-N
• IUPAC Name: disilver(1+) sulfanediide
• SMILES: [S--].[Ag+].[Ag+]

• Melting Point: 825°C
• Color: Yellow
• Physical Form: Powder
• Quantity: 25 g
• Assay Percent Range: 99%
• Solubility Information: Soluble in HNO₃,alkali cyanide solutions. Insoluble in water
• Formula Weight: 247.8
• Odor: Odorless
• Sensitivity: Light sensitive
• Appearance: Dark gray to black powder/flake/crystalline/beads
• Density: 7.317 g/cm³ at 20°C
• Chemical Name or Material: Silver sulfide

Safety and Handling

Hazard Category	H400-H410: Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.
DOTInformation	DOT Class: 9, Packaging Group: III
EINECSNumber	244-438-2
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only