Diphenylamine

An aromatic amine, C12H11N, 169.227 g/mol. Boiling point 302 °C, melting point 53-54 °C, as published.

verified recordOrganic — aromatic amine7 measured properties

Identifiers

Molecular formula: C₁₂H₁₁N
Molecular weight: 169.227 g/mol
Exact mass: 169.089149 g/mol
IUPAC name: N-phenylaniline
SMILES: c1ccc(Nc2ccccc2)cc1
InChI: InChI=1S/C12H11N/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10,13H
InChIKey: DMBHHRLKUKUOEG-UHFFFAOYSA-N

Open in ReactionLens Use in reaction prediction

Measured properties

Published measurements, each with its source. Two readings of one property are both shown, in the units each used.

Boiling Point: 576 °F at 760 mmHg (NTP, 1992)measured · CAMEO Chemicals; 302 °Cmeasured · Hazardous Substances Data Bank (HSDB)
Melting Point: 129 to 131 °F (NTP, 1992)measured · CAMEO Chemicals; 53-54 °Cmeasured · Hazardous Substances Data Bank (HSDB)
Density: 1.068 at 141.8 °F (USCG, 1999) - Denser than water; will sinkmeasured · CAMEO Chemicals; 1.16measured · Hazardous Substances Data Bank (HSDB)
Solubility: less than 1 mg/mL at 61 °F (NTP, 1992)measured · CAMEO Chemicals; 1 g dissolves in 2.2 ml of alcohol, 4 ml propyl alcohol; Freely sol in benzene, ether, glacial acetic acid, carbon disulfide.measured · Hazardous Substances Data Bank (HSDB)
Vapor Pressure: 1 mmHg at 226.9 °F ; 60 mmHg at 404.4 °F (NTP, 1992)measured · CAMEO Chemicals; 0.00067 [mmHg]measured · Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
LogP: log Kow = 3.50measured · Hazardous Substances Data Bank (HSDB); 3.50measured · Human Metabolome Database (HMDB)
Flash Point: 307 °F (NTP, 1992)measured · CAMEO Chemicals; 307 °Fmeasured · Haz-Map, Information on Hazardous Chemicals and Occupational Diseases

Calculated properties

Derived from the structure, not from a sample; kept apart from the measurements above.

Molecular weight: 169.22 g/molcalculated · reference compound database; Average mass of one molecule, from reference compound database.
Exact mass: 169.089149355 Dacalculated · reference compound database; Mass of the most common isotopic form.
XLogP3: 3.5calculated · reference compound database; Estimated oil/water partition, computed by reference compound database.
Polar surface area: 12 Å²calculated · reference compound database; Polar surface area as computed by reference compound database.
Complexity: 116calculated · reference compound database; A rough measure of how intricate the structure is.
H-bond donors: 1calculated · reference compound database
H-bond acceptors: 1calculated · reference compound database
logP: 3.4302calculated · chemistry engine; Estimated preference for oil over water. Higher means more oil-like.
Topological polar surface area: 12.03 Å²calculated · chemistry engine; Surface area from polar atoms; relates to how easily a molecule crosses membranes.
H-bond donors: 1calculated · chemistry engine; Atoms that can donate a hydrogen bond.
H-bond acceptors: 1calculated · chemistry engine; Atoms that can accept a hydrogen bond.
Rotatable bonds: 2calculated · chemistry engine; Single bonds the molecule can freely twist around.
Molar refractivity: 56.1667 cm³/molcalculated · chemistry engine; Relates to the molecule's polarisability.
Fraction sp³ carbons: 0calculated · chemistry engine; Share of carbon atoms with tetrahedral bonding.
QED drug-likeness: 0.7258calculated · chemistry engine; Quantitative estimate of drug-likeness (0–1).

What it is made of

Elements

C Carbon12 atoms · 85.2% by mass
N Nitrogen1 atom · 8.3% by mass
H Hydrogen11 atoms · 6.6% by mass

Percentages are of the molecular weight above, worked out the same way the molar mass calculator does it.

Structure

Heavy atoms, hydrogen excluded: 13
Total atoms, hydrogen included: 24
Rings: 2
Aromatic rings: 2
Stereocentres: 0
Formal charge: 0

Functional groups

Secondary aromatic amine
A nitrogen bonded to an aromatic ring, one other carbon and one hydrogen.
Aromatic ring
A flat six-membered ring with delocalised electrons.

Matched by structural pattern, not by a measurement.

The molecule in three dimensions

Rotate and inspect the atoms. Loaded only when you ask, so the page stays light.

The drawing above is a diagram of what is bonded to what. A molecule is not flat, and the model here is one low-energy shape generated from the connectivity — useful for seeing which groups can reach each other, and not a measured structure. A real sample is a population of conformations, interconverting.

Reactions it appears in

No documented reaction with a written procedure and a source involves Diphenylamine yet.

Other names for it

The systematic name on this record is N-phenylaniline.

The sources also call it N-Phenylaniline, N,N-DIPHENYLAMINE, N-Phenylbenzenamine, Anilinobenzene, Phenylaniline, Scaldip, Big Dipper, N-Phenylbenzeneamine, Benzenamine, N-phenyl-, Aniline, N-phenyl-, No-Scald.

Structurally related

Molecules sharing this formula, or whose fingerprint is at least 40% similar to this one. Similarity is Tanimoto on Morgan fingerprints over this library only — it is a measure of structural overlap, not of how alike they behave.

1,2-Dihydroacenaphthylen-1-amine

C12H11N

Seen alongside it in reaction records

Molecules that appear in the same recorded reactions as Diphenylamine. This says nothing about structure: most of them are the bases, solvents, ligands and catalysts the chemistry needed, and they are here because somebody put them in the same flask.

1,2-Dichlorobenzene

used as a reactant

C₆H₄Cl₂, 147.004 g/mol.

(7-Bromo-9,9-diprop-2-enylfluoren-2-yl)diphenylamine

formed as a product

C₃₁H₂₆BrN, 492.46 g/mol.

(1-Ethyl-2-methylindol-3-yl)-(2-carboxypyrazin-3-yl)ketone

used as a reactant

C₁₇H₁₅N₃O₃, 309.325 g/mol.

Where these values came from

reference compound database11487
compound record
chemistry engine
structure perception

compound record.

What this page does not claim

Identifiers are copied from the source record, measured values are reported as published, and calculated values are marked as calculated. Nothing here is a hazard, purity or handling assessment — how the library is checked.