Triphenylamine

Modify Date: 2026-07-01 13:15:26

Triphenylamine Structure
Triphenylamine structure
Common Name Triphenylamine
CAS Number 603-34-9 Molecular Weight 245.318
Density 1.1±0.1 g/cm3 Boiling Point 365.0±11.0 °C at 760 mmHg
Molecular Formula C18H15N Melting Point 124-128 °C(lit.)
MSDS Chinese USA Flash Point 157.3±16.2 °C
Symbol GHS07
GHS07
Signal Word Warning

Summary: Triphenylamine (Chinese name: 三苯胺,CAS number: 603-34-9) is a gray-white solid with a molecular formula of C18H15N and a molecular weight of 245.318. It is used in organic synthesis and the production of novel electroluminescent materials, special dyes, and pharmaceuticals. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Triphenylamine
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 365.0±11.0 °C at 760 mmHg
Melting Point 124-128 °C(lit.)
Molecular Formula C18H15N
Molecular Weight 245.318
Flash Point 157.3±16.2 °C
Exact Mass 245.120453
PSA 3.24000
LogP 5.74
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.646
InChIKey ODHXBMXNKOYIBV-UHFFFAOYSA-N
SMILES c1ccc(N(c2ccccc2)c2ccccc2)cc1
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
Water Solubility insoluble

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YK2680000
CHEMICAL NAME :
Triphenylamine
CAS REGISTRY NUMBER :
603-34-9
LAST UPDATED :
199712
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
C18-H15-N
MOLECULAR WEIGHT :
245.34
WISWESSER LINE NOTATION :
RNR&R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1658,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>6400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1658,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1600 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1658,1991
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>6400 mg/kg
REFERENCE :
85INA8 "Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986 Volume(issue)/page/year: 6,1658,1991 *** REVIEWS *** ACGIH TLV-TWA 5 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 mg/m3 JAN 1993 OEL-BELGIUM:TWA 5 mg/m3 JAN 1993 OEL-DENMARK:TWA 5 mg/m3 JAN 1993 OEL-FINLAND:TWA 5 mg/m3;STEL 10 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 5 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 5 mg/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO TRIPHENYL AMINE-air:10H TWA 5 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319
Precautionary Statements P280-P305 + P351 + P338-P337 + P313
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S28-S37/39-S26,37/39
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS YK2680000
Packaging Group I; II; III
HS Code 2921499090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2921499090
Summary 2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Articles3

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

A metal-organic tetrahedron as a redox vehicle to encapsulate organic dyes for photocatalytic proton reduction.

J. Am. Chem. Soc. 137(11) , 3967-74, (2015)

The design of artificial systems that mimic highly evolved and finely tuned natural photosynthetic systems is a subject of intensive research. We report herein a new approach to constructing supramole...

A fluorescent probe for intracellular cysteine overcoming the interference by glutathione.

Org. Biomol. Chem. 12(32) , 6128-33, (2014)

Cysteine (Cys) plays important roles in many physiological processes of eukaryotic cells and its detection in cells is of fundamental significance. However, glutathione (GSH), homocysteine, N-acetyl-L...

A new series of two-photon blue/violet fluorescent trans-alkenes: Green synthesis and optical properties.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 154 , 164-70, (2015)

A new series of trans-alkenes (3a-3e) containing different electron-donating groups were synthesized by the solvent-free Horner-Wadsworth-Emmons reaction, and characterized by infrared, hydrogen nucle...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00003020
N,N-Diphenylaniline
EINECS 210-035-5
N,N,N-Triphenylamine
Triphenylamine

 Triphenylamine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the molecular formula of Triphenylamine?
A: Molecular formula of Triphenylamine is C18H15N.
Q: What English synonyms does Triphenylamine have?
A: English synonyms of Triphenylamine: MFCD00003020, N,N-Diphenylaniline, EINECS 210-035-5, N,N,N-Triphenylamine, Triphenylamine.
Q: How is the water solubility of Triphenylamine?
A: Water solubility of Triphenylamine: insoluble.
Q: What is the SMILES notation of Triphenylamine?
A: SMILES notation of Triphenylamine is c1ccc(N(c2ccccc2)c2ccccc2)cc1.
Q: What is the polar surface area (PSA) of Triphenylamine?
A: Polar surface area (PSA) of Triphenylamine is 3.24000.
Q: What are the downstream products of Triphenylamine?
A: Related downstream products(CAS) of Triphenylamine: 4316-57-8;20440-93-1;1100-10-3;117847-23-1;53013-38-0;36809-26-4;4181-20-8;181188-86-3;189178-09-4.
Q: What are the upstream materials of Triphenylamine?
A: Related upstream materials(CAS) of Triphenylamine: 591-50-4;122-39-4;108-86-1;108-90-7;90-30-2;17425-91-1;88284-48-4;103-71-9.
Q: What is the LogP of Triphenylamine?
A: LogP of Triphenylamine is 5.74.
Q: What is the molecular weight of Triphenylamine?
A: Molecular weight of Triphenylamine is 245.318.
Q: What is the CAS number of Triphenylamine?
A: CAS number of Triphenylamine is 603-34-9.

 Triphenylaminefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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