CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 1,3-diphenylguanidine is a white to cream-colored chalky powder. Bitter taste and slight odor. |
|---|---|
| Color/Form | Monoclinic needles (crystalized from alcohol and toluene) |
| Odor | Slight odor |
| Taste | BItter taste |
| Boiling Point | Decomposes >338 °F (NTP, 1992) |
| Melting Point | 302 °F (NTP, 1992) |
| Flash Point | 388 °F (NTP, 1992) |
| Solubility | 29.5 [ug/mL] (The mean of the results at pH 7.4) |
| Density | 1.13 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | Negligible (NTP, 1992) |
| LogP | log Kow = 2.89 /Estimated/ |
| Henry's Law Constant | Henry's Law constant = 7.1X10-12 atm-cu m/mol at 25 °C /Estimated/ |
| Decomposition | When heated to decomposition it emits toxic fumes of /nitrogen oxides/. |
| pH | Aq soln is strongly alkaline |
| Ionization Efficiency | Positive |
| Dissociation Constants | pKa = 10.12 (conjugate acid) |
| Other Experimental Properties | Decomposes above 170 °C |
| Chemical Classes | Plastics & Rubber -> Rubber Additives |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 | 211.26 g/mol |
|---|---|
| XLogP3 | 2.4 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 3 |
| Exact Mass | 211.110947427 g/mol |
| Monoisotopic Mass | 211.110947427 g/mol |
| Topological Polar Surface Area | 50.4 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 225 |
| 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
1,3-diphenylguanidine is a white to cream-colored chalky powder. Bitter taste and slight odor.