CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dowtherm appears as light to dark brown fragrant liquid. May float or sink in water. Freezing point is 54 °F. (USCG, 1999) |
|---|---|
| Color/Form | Colorless to straw-colored liquid or solid (below 54 degrees F) ... [Note: A mixture typically contains 75% phenyl ether & 25% biphenyl]. |
| Odor | ... Disagreeable aromatic odor. |
| Boiling Point | 494 °F at 760 mmHg (USCG, 1999) |
| Melting Point | 54 °F (USCG, 1999) |
| Flash Point | 255 °F (USCG, 1999) |
| Solubility | Insoluble (NIOSH, 2023) |
| Density | 1.06 at 69.8 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Pressure | 0.08 mmHg at 77 °F (NIOSH, 2023) |
| Autoignition Temperature | 1150 °F (USCG, 1999) |
| Other Experimental Properties | CONVERSION FACTORS @ 25 °C & 760 MM HG: 1 PPM= APPROX 6.79 MG/CU M; 1 MG/L= APPROX 147.3 PPM |
| Chemical Classes | Other Classes -> Other Aromatic Compounds |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H303:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H400:Hazardous to the aquatic environment, acute hazard H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. P501:Dispose of contents/container to..… |
COMPUTED DESCRIPTORS
| Molecular Weight | 324.4 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 3 |
| Exact Mass | 324.151415257 g/mol |
| Monoisotopic Mass | 324.151415257 g/mol |
| Topological Polar Surface Area | 9.2 Ų |
| Heavy Atom Count | 25 |
| Formal Charge | 0 |
| Complexity | 216 |
| 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 | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Dowtherm appears as light to dark brown fragrant liquid. May float or sink in water. Freezing point is 54 °F. (USCG, 1999)