298-07-7
Product Name:
Bis(2-ethylhexyl) phosphate
Formula:
C16H35O4P
Synonyms:
Bis(2-ethylhexyl) hydrogen phosphate;Bis(2-ethylhexyl) phosphate;HDEHP;Di(2-ethylhexyl) phosphate;HDEHP, Phosphoric acid bis (2-ethylhexyl) ester, Bis(2-ethylhexyl) phosphoric acid
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Di-(2-ethylhexyl)phosphoric acid is an odorless light yellow liquid. Floats on water. (USCG, 1999) |
|---|---|
| Color/Form | Viscous liquid |
| Odor | ODORLESS |
| Boiling Point | 155 °C at 0.015 mm Hg |
| Melting Point | less than -76 °F (USCG, 1999) |
| Flash Point | 385 °F (USCG, 1999) |
| Solubility | Soluble in benzene, hexane, and 4-methyl-2-pentanone |
| Density | 0.977 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Pressure | 0.00000005 [mmHg] |
| LogP | 2.67 |
| Decomposition | When heated to decomposition emits toxic fumes of /phosphorus oxides/. |
| Corrosivity | Mildly corrosive to most metals |
| Heat of Combustion | -13,970 BTU/LB= -7,760 CAL/G= -325X10+5 J/KG |
| Surface Tension | 20 DYNES/CM= 0.020 N/M @ 20 °C |
| Refractive Index | Index of refraction = 1.4420 at 25 °C/D |
| Other Experimental Properties | Decomposes at 1 atm; estimated liquid-water interfacial tension 30 dynes/cm= 0.030 n/m a 20 °C |
| Chemical Classes | Other Classes -> Organophosphates, Other |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H312:Acute toxicity,dermal H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 322.42 g/mol |
|---|---|
| XLogP3 | 5.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 14 |
| Exact Mass | 322.22729659 g/mol |
| Monoisotopic Mass | 322.22729659 g/mol |
| Topological Polar Surface Area | 55.8 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 260 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 2 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Di-(2-ethylhexyl)phosphoric acid is an odorless light yellow liquid. Floats on water. (USCG, 1999)


