SILVER(I) SULFIDE

Synonym(s):Silver sulfide

CAS NO.：21548-73-2
Empirical Formula: Ag2S
Molecular Weight: 247.8
MDL number: MFCD00003406
EINECS: 244-438-2
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-28 13:53:24

What is SILVER(I) SULFIDE?

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.

The Uses of SILVER(I) SULFIDE

Inlaying in niello metalwork, ceramics.

The Uses of SILVER(I) SULFIDE

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.

The Uses of SILVER(I) SULFIDE

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

General Description

SRM 8553_cert SRM 8553 _SDS

Properties of SILVER(I) SULFIDE

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
Specific Gravity	7.317
color	Light yellow
Water Solubility	Soluble in HNO{3}, alkali cyanide solutions. Insoluble in water
Sensitive	Light Sensitive
Merck	14,8530
Solubility Product Constant (Ksp)	pKsp: 49.20
Stability:	Stable. Incompatible with acids, strong oxidizing agents.
CAS DataBase Reference	21548-73-2(CAS DataBase Reference)
EPA Substance Registry System	Silver sulfide (21548-73-2)

Safety information for SILVER(I) SULFIDE

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.