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92-67-1

92-67-1 structural image
Product Name: 4-Aminobiphenyl
Formula: C12H11N
Synonyms: Biphenyl-4-ylamine;4-Aminodiphenyl;4-Phenylaniline;Xenylamine;4-Biphenylylamine
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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)