o-Tolidine

CAS 119-93-7  ·  C14H16N2  ·  MW 212.29 g/mol

Full record: o-Tolidine — Safety Data Sheet →

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3D model o-Tolidine, CAS 119-93-7, molecular formula C14H16N2, molar mass 212.29 g/mol

Model views

  • o-Tolidine (CAS 119-93-7) – ball-and-stick 3D model, MolGod Viewer
    ball-and-stick 3D model
  • o-Tolidine (CAS 119-93-7) – skeletal 3D model, MolGod Viewer
    skeletal 3D model
  • space-filling 3D model – rotation animation
  • o-Tolidine (CAS 119-93-7) – 2D structure, MolGod Viewer
    2D structure

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About o-Tolidine

o-Tolidine is a chemical compound registered under number CAS 119-93-7, with the molecular formula C14H16N2, and a molar mass of 212.29 g/mol.

The molecule contains 32 atoms connected by 33 chemical bonds. The full systematic IUPAC name of this compound is 4-(4-amino-3-methylphenyl)-2-methylaniline. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = 2.3 (positive value, a lipophilic compound), polar surface area PSA = 52 Ų, 2 donors and 2 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The interactive 3D model and the viewer images are protected by copyright (© MolGod.org) — terms of use: molgod.org/copyright/.

Physicochemical properties
Molecular formulaC14H16N2
Molar mass212.29 g/mol
IUPAC4-(4-amino-3-methylphenyl)-2-methylaniline
SMILESCC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)C)N
InChIKeyNUIURNJTPRWVAP-UHFFFAOYSA-N
logP (XLogP3)2.3
PSA52 Ų
HBD / HBA2 / 2
PubChem CIDCID 8413 ↗
GHS safety

Signal word: Danger

GHS07
GHS07
GHS08
GHS08
GHS09
GHS09

H350 — May cause cancer

H302 — Harmful if swallowed

H411 — Toxic to aquatic life with long lasting effects

Scientific literature

Related literature

3 articles · 0 open access · Sources: PubMed, OpenAlex, Semantic Scholar

Filters:Export:📄 BibTeX📑 RIS📋 EndNote🔧 CSL-JSON

📈 Publication timeline (number of articles: 3)

1964: number of articles 119642002: number of articles 120022004: number of articles 12004

Bar height = number of articles in a given year. Hover over a bar to see details.

Data from PubMed (NIH NLM), OpenAlex (CC0), Semantic Scholar (AI2). AI Summary generated by Semantic Scholar TLDR. Articles marked with require paid access.

Synonyms
o-Tolidine · 119-93-7 · 3,3'-DIMETHYLBENZIDINE · Orthotolidine · Diaminoditolyl · 2-Tolidine · Bianisidine · Diaminotolyl · 4,4'-Bi-o-toluidine · 3,3'-Tolidine · Fast Dark Blue Base R · 3,3'-Dimethyl-4,4'-biphenyldiamine · 3,3'-Dimethyl-4,4'-diaminobiphenyl · 4,4'-Diamino-3,3'-dimethylbiphenyl · 2-Tolidina
Data sources
Related molecules
📜 License & provenanceMolGod_License_1
COMPUTED — PubChem3D · 3D conformer computed by PubChem using OMEGA; not an experimental structure.
Model
o-Tolidine · 119-93-7
InChIKey
NUIURNJTPRWVAP-UHFFFAOYSA-N
License
CC BY-SA 4.0 International
Attribution
MolGod Scientific — o-Tolidine (CAS 119-93-7)
License & provenance record
o-Tolidine (CAS 119-93-7) →
MolGod molecule record
o-Tolidine →
Source data
PubChem CID 8413 ↗
Model information
STL generated by MolGod · MolGod STL Exporter build 48804cd20b0d · generated 2026-10-14
SHA-256 (STL)
ba7f01e4b94c6b46d1014c6025b1b59e3978dcf7ac54c77a4fe596b5cd193baa
MD5 (STL)
02ab12c7903229d0348b4d90f21a69ea
MolGod Identification Number
MG_315-008-708-63
Transformation
MolGod Scientific ball-and-stick mesh
Changes
Converted into a triangulated molecular mesh; atomic coordinates and connectivity unchanged.
Wikimedia Commons
not published yet
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