92-67-1
Product Name:
4-Aminobiphenyl
Formula:
C12H11N
Synonyms:
Biphenyl-4-ylamine;4-Aminodiphenyl;4-Phenylaniline;Xenylamine;4-Biphenylylamine
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | 4-aminobiphenyl appears as colorless to yellowish-brown crystals or light brown solid. (NTP, 1992) |
|---|---|
| Color/Form | Colorless crystals |
| Odor | Floral odor |
| Boiling Point | 576 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 127 °F (NTP, 1992) |
| Flash Point | greater than 235 °F (NTP, 1992) |
| Solubility | less than 0.1 mg/mL at 66 °F (NTP, 1992) |
| Density | 1.16 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Density | 5.8 (Air = 1) at boiling point of 4-aminodiphenyl |
| Vapor Pressure | 1 mmHg at 227 °F (NIOSH, 2023) |
| LogP | log Kow = 2.86 at pH 7.5 |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| Autoignition Temperature | 842 °F (NTP, 1992) |
| Decomposition | Hazardous decomposition products formed under fire conditions - Carbon oxides, nitrogen oxides (NOx). |
| Dissociation Constants | pKa = 4.35 at 18 °C (conjugate acid) |
| Relative Evaporation Rate | Evaporation at 20 °C is negligible |
| Kovats Retention Index | 1683 |
| Other Experimental Properties | Turns purple on exposure to air |
| Chemical Classes | Nitrogen Compounds -> Amines, Polyaromatic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H350:Carcinogenicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 169.22 g/mol |
|---|---|
| XLogP3 | 2.9 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 169.089149355 g/mol |
| Monoisotopic Mass | 169.089149355 g/mol |
| Topological Polar Surface Area | 26 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 141 |
| 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
4-aminobiphenyl appears as colorless to yellowish-brown crystals or light brown solid. (NTP, 1992)