CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Tetraethyl lead, liquid appears as a colorless liquid with a characteristic odor. Flash point 163 °F. Density 14 lb / gal. Insoluble in water. Toxic by inhalation and by skin absorption. |
|---|---|
| Color/Form | Colorless, oily liquid |
| Odor | Musty odor |
| Boiling Point | 392 °F at 760 mmHg Decomposes between 230 - 392 °F. (EPA, 1998) |
| Melting Point | -202 °F (EPA, 1998) |
| Flash Point | 200 °F (EPA, 1998) |
| Solubility | less than 1 mg/mL at 70 °F (NTP, 1992) |
| Density | 1.653 at 68 °F (EPA, 1998) - Denser than water; will sink |
| Vapor Density | 8.6 (EPA, 1998) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 0.2 mmHg at 68 °F (EPA, 1998) |
| LogP | log Kow = 4.15 |
| Henry's Law Constant | Henry's Law constant = 0.568 atm cu-m/mol at 24 °C |
| Stability/Shelf Life | DECOMP SLOWLY @ ROOM TEMP & MORE RAPIDLY @ ELEVATED TEMP |
| Autoignition Temperature | 230 °F (USCG, 1999) |
| Decomposition | Failure to cover the residue with water after emptying a tank of the compound caused explosive decomposition after several days. |
| Viscosity | 2.2899X10-2 Pa/sec at 225 K |
| Corrosivity | Some solvent action on rubber |
| Heat of Combustion | -5.8995X10+9 J/kmol |
| Heat of Vaporization | 6.5581X10+7 J/kmol at 139.41 K |
| Surface Tension | 4.4233X10-2 N/m at 139.41 K |
| Ionization Potential | 11.10 eV |
| Refractive Index | Index of refraction = 1.5198 at 20 °C/D |
| Relative Evaporation Rate | 0.032 g/sq m.sec (at 20 °C and a wind speed of 4.5 m/s) |
| Kovats Retention Index | 1160 |
| Other Experimental Properties | Standard molar enthalpy of formation at 25 °C = 52.7 kJ/mol (liquid), 109.6 kJ/mol (gas); Standard molar entropy at 25 °C = 464.6 J/mol-K (liquid); Standard molar heat capacity at 25 °C = 307.4 J/mol-K |
| Chemical Classes | Metals -> Metals, Organic Compounds |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P308+P313:IF exposed or concerned: Get medical advice/attention. P403+P233:Store in a well-ventilated place. Keep container tightly closed. |
COMPUTED DESCRIPTORS
| Molecular Weight | 323 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 4 |
| Exact Mass | 324.13315 g/mol |
| Monoisotopic Mass | 324.13315 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 47.5 |
| 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
Tetraethyl lead, liquid appears as a colorless liquid with a characteristic odor. Flash point 163 °F. Density 14 lb / gal. Insoluble in water. Toxic by inhalation and by skin absorption.