CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Di-n-pentyl phthalate is a clear colorless to light yellow liquid. Practically odorless. Floats on water. (NTP, 1992) |
|---|---|
| Color/Form | Colorless, oily liquid |
| Odor | Nearly odorless |
| Boiling Point | 648 °F at 760 mmHg (NTP, 1992) |
| Melting Point | less than -67 °F (NTP, 1992) |
| Flash Point | 357 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Density | 1.022 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Density | 10.5 (AIR= 1) |
| Vapor Pressure | 0.000196 [mmHg] |
| LogP | log Kow = 5.62 |
| Decomposition | When heated to decomposition it emits acrid smoke and irritating fumes. |
| Heat of Combustion | -13,900 Btu/lb= -7,720 cal/g= -323X10+5 J/kg |
| Heat of Vaporization | 140 Btu/lb= 78 cal/g= 3.2X10+5 J/kg |
| Refractive Index | Index of refraction: 1.488 at 25 °C |
| Kovats Retention Index | 2140 2120 2121 2122 2136 2119 2127 |
| Other Experimental Properties | Wt/gal = 8.52 lb |
| Chemical Classes | Plastics & Rubber -> Phthalate Esters |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Health Hazard GHS08 ![]() Environment GHS09 |
| GHS Hazard Statements |
H360:Reproductive toxicity H400:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P273:Avoid release to the environment. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 306.4 g/mol |
|---|---|
| XLogP3 | 5.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 12 |
| Exact Mass | 306.18310931 g/mol |
| Monoisotopic Mass | 306.18310931 g/mol |
| Topological Polar Surface Area | 52.6 Ų |
| Heavy Atom Count | 22 |
| Formal Charge | 0 |
| Complexity | 295 |
| 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
Di-n-pentyl phthalate is a clear colorless to light yellow liquid. Practically odorless. Floats on water. (NTP, 1992)


