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Chemical Name:
Three aniline;Triphenylamin;TRIPHENYLAMINE;amine,triphenyl;Trisphenylamine;Triphenylamine99+%;Triphenylamine,98%;N,N-DIPHENYLANILINE;N,N,N-Triphenylamine;Triphenylamine (TPA)
Molecular Formula:
Formula Weight:
MOL File:

Triphenylamine Properties

Melting point:
124-128 °C(lit.)
Boiling point:
347-348 °C(lit.)
refractive index 
1.3530 (estimate)
Flash point:
storage temp. 
Store below +30°C.
Crystalline Powder
Off-white to slightly beige
Water Solubility 
Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference
603-34-9(CAS DataBase Reference)
NIST Chemistry Reference
Benzenamine, N,N-diphenyl-(603-34-9)
EPA Substance Registry System
Benzenamine, N,N-diphenyl-(603-34-9)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/38-36/37/38-38-36
Safety Statements  26-28-37/39-26,37/39
WGK Germany  2
RTECS  YK2680000
Hazard Note  Irritant
HS Code  29214980
Hazardous Substances Data 603-34-9(Hazardous Substances Data)
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Triphenylamine price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich T81604 Triphenylamine 98% 603-34-9 25g $54 2018-11-13 Buy
Sigma-Aldrich T81604 Triphenylamine 98% 603-34-9 100g $149 2018-11-13 Buy
TCI Chemical T0507 Triphenylamine >98.0%(GC) 603-34-9 25g $30 2018-11-22 Buy
TCI Chemical T0507 Triphenylamine >98.0%(GC) 603-34-9 250g $180 2018-11-22 Buy
Alfa Aesar A15939 Triphenylamine 98% 603-34-9 5g $23.7 2018-11-20 Buy

Triphenylamine Chemical Properties,Uses,Production

Chemical Properties

Monoclinic crystals from EtOAc.

Chemical Properties

Triphenylamine is a colorless crystalline solid.


Organic light-emitting diode (OLED) devices have received much attention, because they are expected to be a next generation display and light source, thanks to lightweight and flexible organic materials.
  1. Triphenylamine is a propeller-like structural chromophore with a nitrogen atom center. The compound has a large steric hindrance and hyper conjugation electronic effect, which can enhance the stability of the nitrogen atomic radical. Triphenylamine materials also have a high hole mobility due to their unique free radicals nature. Many hole transport materials based on triphenylamine derivatives (TPD) are widely usable,because they are heat-resistant and amorphous.In addition to the TPDs, oxadiazole derivatives (PBD) having an electron transport property, Alq3 as a host material,and blue emissive distylyl derivatives are fundamental materials for amorphous OLED devices.
  2. It is used in the manufacture of photographic film.
  3. Triphenylamines (TPAs) are highly fluorescent compounds that are efficient to induce cell death upon visible light excitation.
  4. Triphenylamine is used in organic light-emitting diode as hole-transporters and as a pharmaceutical intermediate.
  5. It is coated on film bases as primary photoconductor.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Triphenylamine neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Fire Hazard

The flash point of Triphenylamine has not been determined, but Triphenylamine is probably combustible.

Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx. See also AROMATIC AMINES.

Potential Exposure

Triphenylamine is used as a primary photoconductor and in making photographic film coated on photographic film bases.

First aid

Skin Contact: Flood all areas of body that have contacted the substance with water. Don’t wait to remove contaminated clothing; do it under the water stream. Use soap to help assure removal. Isolate contaminated clothing when removed to prevent contact by others. Eye Contact: Remove any contact lenses at once. Immediately flush eyes well with copious quantities of water or normal saline for at least 20-30 minutes. Seek medical attention. Inhalation: Leave contaminated area immediately; breathe fresh air. Proper respiratory protection must be supplied to any rescuers. If coughing, difficult breathing or any other symptoms develop, seek medical attention at once, even if symptoms develop many hours after exposure. Ingestion: Contact a physician, hospital or poison center at once. If the victim is unconscious or convulsing, do not induce vomiting or give anything by mouth. Assure that the patient’s airway is open and lay him on his side with his head lower than his body and transport immediately to a medical facility. If conscious and not convulsing, give a glass of water to dilute the substance. Vomiting should not be induced without a physician’s advice.

Purification Methods

Crystallise the amine from EtOH or from *benzene/absolute EtOH, diethyl ether and pet ether. It is sublimed under vacuum and carefully dried in a vacuum line. Store it in the dark under nitrogen. [Beilstein 12 IV 276.]


Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxo acids, epoxides, aldehydes, ketones.

Triphenylamine Preparation Products And Raw materials

Raw materials

Preparation Products

Triphenylamine Suppliers

Global( 235)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Springchem New Material Technology Co.,Limited
86-21-51752789 China 840 57
Shenzhen Sendi Biotechnology Co.Ltd.
0755-23311925 18102838259
0755-23311925 CHINA 3218 55
Henan DaKen Chemical CO.,LTD.
+86-371-55531817 CHINA 22063 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20795 55
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32764 55
Credit-Chem Co., Ltd. 400-821-5857 021-64326257
021-64393586 QQ;2798200800 China 5273 58
Shanghai ChengShao Biological Technology Co., Ltd. 021-61847300 13341622919
021-61847300 China 4814 58
Shanghai Na Qian Chemical Technology Co. Ltd. 13598610367,0373-7129549,QQ: 1279719341,2503280341,2841375912
0373-8369699, China 1869 52
Zhengzhou Alfachem Co.,Ltd. 0371-53778726;15093376431;QQ:3002613645
0371-63486673 China 1851 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76

Triphenylamine Spectrum

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