4,4'-Dimethyltriphenylamine - ≥98% , CAS No.20440-95-3

CAS: 20440-95-3 Cat. No.: D102498 Molecular Weight: 273.38 EC Number: 243-822-7
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4,4'-Dimethyltriphenylamine | 4,4-DIMETHYLTRIPHENYLAMINE | Benzenamine, 4-methyl-N-(4-methylphenyl)-N-phenyl- | MFCD00115120 | USAF PD-58 | W-107621 | di(p-tolyl)phenylamine | Phenylbis(p-tolyl)amine | Phenyl(di-p-tolyl)amine | 4,4-Dimethyltriphenylamine;
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D102498-1g
3
$9.90
5g
D102498-5g
4
$10.90
25g
D102498-25g
5

$15.90

$23.90
Save $8.00 (33.47%)
100g
D102498-100g
5

$62.90

$94.90
Save $32.00 (33.72%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
4, 4'-Dimethyltriphenylamine | 4, 4-DIMETHYLTRIPHENYLAMINE | Benzenamine, 4-methyl-N-(4-methylphenyl)-N-phenyl- | MFCD00115120 | USAF PD-58 | W-107621 | di(p-tolyl)phenylamine | Phenylbis(p-tolyl)amine | Phenyl(di-p-tolyl)amine | 4, 4-Dimethyltriphenylamine;
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488186501
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488186501
Canonical SmilesCC1=CC=C(C=C1)N(C2=CC=CC=C2)C3=CC=C(C=C3)C
IUPAC Name4-methyl-N-(4-methylphenyl)-N-phenylaniline
InChIKeyYWKKLBATUCJUHI-UHFFFAOYSA-N
INCHI1S/C20H19N/c1-16-8-12-19(13-9-16)21(18-6-4-3-5-7-18)20-14-10-17(2)11-15-20/h3-15H,1-2H3
Isomeric SMILES CC1=CC=C(C=C1)N(C2=CC=CC=C2)C3=CC=C(C=C3)C
Molecular Weight 273.38
Reaxy-Rn 2846843
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2846843&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic nitrogen compounds
ClassOrganonitrogen compounds
SubclassAmines
Intermediate Tree Nodes Tertiary amines
Direct ParentTriarylamines
Alternative Parents Aniline and substituted anilines  Aminotoluenes  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Tertiary aromatic amine - Aminotoluene - Aniline or substituted anilines - Toluene - Benzenoid - Monocyclic benzene moiety - Organopnictogen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as triarylamines. These are organic compounds containing a trialkylamine group, characterized by exactly three aryl groups bonded to the amino nitrogen.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

11 results found

Lot NumberCertificate TypeDateItem
K1709004Certificate of AnalysisJun 12, 2025 D102498
I1312055Certificate of AnalysisApr 02, 2025 D102498
C1617094Certificate of AnalysisOct 09, 2023 D102498
E2316651Certificate of AnalysisMar 01, 2023 D102498
E2316652Certificate of AnalysisMar 01, 2023 D102498
E2316660Certificate of AnalysisMar 01, 2023 D102498
E2316662Certificate of AnalysisMar 01, 2023 D102498
E2316663Certificate of AnalysisMar 01, 2023 D102498
E2316668Certificate of AnalysisMar 01, 2023 D102498
E2316671Certificate of AnalysisMar 01, 2023 D102498
E2316672Certificate of AnalysisMar 01, 2023 D102498

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Chemical and Physical Properties
Melt Point(°C)110°C
Molecular Weight273.400 g/mol
XLogP36.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count3
Exact Mass273.152 Da
Monoisotopic Mass273.152 Da
Topological Polar Surface Area3.200 Ų
Heavy Atom Count21
Formal Charge0
Complexity269.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Jinming Zeng, Yongxiang Wang, Karthikeyan Rajan, Zongliang Xiao, Rizwan Ur Rehman Sagar, Ping Liu.  (2021)  Transparent-to-black electrochromic smart windows based on N, N, N′, N′-Tetraphenylbenzidine derivatives and tungsten trioxide with high adjustment ability for visible and near-infrared light.  SOLAR ENERGY MATERIALS AND SOLAR CELLS,      [PMID:] [10.1016/j.solmat.2021.111070]
2. Yuxin Xue, Qiong Lin, Xiangfeng Sun, Dongxia Li, Yulin Fu, Zhiqi Li, Yuanhao Shi, Chongxian Luo, Xuefeng Gui, Kai Xu.  (2025)  3D Silsesquioxane Cage-Based Covalent Organic Frameworks Enabling Efficient Ion Transport in Quasi-Solid-State Lithium Metal Batteries.  Small,      [PMID:40237118] [10.1002/smll.202501988]
Solution Calculators
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