CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | Litharge appears as odorless gray or yellow green or red-brown solid. Sinks in water. (USCG, 1999) |
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Color/Form | Exists in 2 forms: red to reddish-yellow, tetragonal crystals at ordinary temperature; yellow, orthorhombic crystals, stable above 489 °C |
Boiling Point | 1472 °C |
Melting Point | 887 °C |
Solubility | In water: 0.0504 g/L at 25 °C (alpha form); 0.1065 g/L at 25 °C (beta form) |
Density | 9.5 at 68 °F (USCG, 1999) - Denser than water; will sink |
Vapor Pressure | 1 Pa at 724 °C; 10 Pa at 816 °C; 100 Pa at 928 °C; 1kPa at 1065 °C; 10 kPa at 1241 °C; 100 kPa at 1471 °C |
Stability/Shelf Life | Stable under recommended storage conditions. |
Decomposition | When heated to decomposition it emits toxic fumes of /lead/. |
pH | Strong base |
Other Experimental Properties | Commercial grades are yellow to reddish, depending on treatment and purity |
Chemical Classes | Metals -> Lead Compounds, Inorganic |
SAFETY INFORMATION
Signal word | Danger |
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Pictogram(s) |
Exclamation Mark Irritant GHS07 Health Hazard GHS08 Environment GHS09 |
GHS Hazard Statements |
H351:Carcinogenicity H362:Reproductive toxicity, effects on or via lactation H372:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P263:Avoid contact during pregnancy/while nursing. P273:Avoid release to the environment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
Molecular Weight | 223 g/mol |
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Hydrogen Bond Donor Count | 0 |
Hydrogen Bond Acceptor Count | 1 |
Rotatable Bond Count | 0 |
Exact Mass | 223.97157 g/mol |
Monoisotopic Mass | 223.97157 g/mol |
Topological Polar Surface Area | 17.1 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
Litharge appears as odorless gray or yellow green or red-brown solid. Sinks in water. (USCG, 1999)
RELATED SUPPLIERS
Pallav Chemicals And Solvents Pvt Ltd
1Y
product:1317-36-8 Lead Monoxide (Litharge) 99% Extrapure 99%