1314-87-0
Product Name:
Lead(II) sulfide
Formula:
PbS
Synonyms:
Lead monosulfide;Lead sulfide;Natural lead sulfide
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Lead sulfide appears as black to silvery powdery or crystalline solid. Sinks in water. (USCG, 1999) |
|---|---|
| Color/Form | Silvery, metallic crystals or black powder |
| Boiling Point | 2337.8 °F at 760 mmHg (USCG, 1999) |
| Melting Point | 2037.2 °F (USCG, 1999) |
| Solubility | 0.01244 g/100 mL water at 20 °C |
| Density | 7.5 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Pressure | 1 Pa at 656 °C; 10 Pa at 741 °C; 100 Pa at 838 °C; 1kPa at 953 °C; 10 kPa at 1088 °C; 100 kPa at 1280 °C |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Decomposition | When heated to decomposition it emits very toxic fumes of /lead and sulfur oxides./ |
| Refractive Index | Index of refraction: 3.921 |
| Other Experimental Properties | Enthalpy of Fusion: 49.4 kJ/mol |
| Chemical Classes | Metals -> Lead Compounds, Inorganic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H225:Flammable liquids H304:Aspiration hazard H315:Skin corrosion/irritation H336:Specific target organ toxicity,single exposure; Narcotic effects H373:Specific target organ toxicity, repeated exposure H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P302+P352:IF ON SKIN: wash with plenty of soap and water. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 239 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 239.94872 g/mol |
| Monoisotopic Mass | 239.94872 g/mol |
| Topological Polar Surface Area | 32.1 Ų |
| Heavy Atom Count | 2 |
| Formal Charge | 0 |
| Complexity | 2 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Lead sulfide appears as black to silvery powdery or crystalline solid. Sinks in water. (USCG, 1999)