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TAPA

TAPA structure

CAS No.: 5981-09-9

Chemical Name:: TAPA

Synonyms: Tris(4-aminophenyl)amine;N1,N1-Bis(4-aminophenyl)-1,4-benzenediamine;1490808;TRIS(P-AMINOPHENYL)AMINE;TAPA;JACS-5981-9-9;Einecs 227-791-7;N1,N1-Bis(4-aMinophenyl)-;4,4',4''-Nitrilotrianiline;4,4',4''-Nitrilotrisaniline

CBNumber:: CB2232166

Molecular Formula:: C18H18N4

Molecular Weight:: 290.36

MDL Number:: MFCD00778301

MOL File:: 5981-09-9.mol

MSDS File:: SDS

Last updated:2026-05-28 00:00:14

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TAPA Properties

Melting point	230 °C
Boiling point	571.3±45.0 °C(Predicted)
Density	1.276±0.06 g/cm3(Predicted)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	Soluble in DMSO, DMF, Insoluble in methanol & water
form	Solid
pka	7.03±0.10(Predicted)
color	Grey coloured crystalline powder
Water Solubility	Slightly soluble in water.
InChI	InChI=1S/C18H18N4/c19-13-1-7-16(8-2-13)22(17-9-3-14(20)4-10-17)18-11-5-15(21)6-12-18/h1-12H,19-21H2
InChIKey	SNLFYGIUTYKKOE-UHFFFAOYSA-N
SMILES	C1(N(C2=CC=C(N)C=C2)C2=CC=C(N)C=C2)=CC=C(N)C=C1
CAS DataBase Reference	5981-09-9
EPA Substance Registry System	1,4-Benzenediamine, N,N-bis(4-aminophenyl)- (5981-09-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

TSCA

TSCA listed

HS Code

29215900

NFPA 704

	0
2		0

TAPA price More Price(45)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	T2332	Tris(4-aminophenyl)amine >98.0%(HPLC)(T)	5981-09-9	1g	$97	2026-04-30	Buy
TCI Chemical	T2332	Tris(4-aminophenyl)amine >98.0%(HPLC)(T)	5981-09-9	5g	$381	2026-04-30	Buy
TRC	TRC-T875000-5G	Tris(p-aminophenyl)amine	5981-09-9	5g	$115	2026-06-03	Buy
TRC	TRC-T875000-500MG	Tris(p-aminophenyl)amine	5981-09-9	500mg	$59	2026-06-03	Buy
AstaTech	66898	TRIS(P-AMINOPHENYL)AMINE 97%	5981-09-9	1G	$33	2026-04-30	Buy

Product number	Packaging	Price	Buy
T2332	1g	$97	Buy
T2332	5g	$381	Buy
TRC-T875000-5G	5g	$115	Buy
TRC-T875000-500MG	500mg	$59	Buy
66898	1G	$33	Buy

TAPA Chemical Properties, Uses, Production

Chemical Properties

Yellow Crystalline Solid

Uses

A fluorescent trifunctional highly symmetric probe. Shows remarkably high nonlinear optical properties.

TAPA synthesis

Synthesis of TAPA from Tris(4-nitrophenyl)amine

TAPA Preparation Products And Raw materials

Raw materials

1,4-Benzenediamine, N1,N1-bis(4-nitrophenyl)- Tris(4-nitrophenyl)amine 4-Fluoronitrobenzene p-Phenylenediamine Triphenylamine

4-Chloronitrobenzene 4-Nitroaniline

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Preparation Products

TAPA Suppliers

Global Suppliers ( 187)

Supplier	Tel	Email	Country	ProdList	Advantage
Shijiazhuang Dushi Biopharmaceutical Technology Co., Ltd	13102890206 18032066297	3685803652@qq.com	China	347	58
Hangzhou Dingxin Biotechnology Co., Ltd.	0571-88194596 15558156576	sales@disynchem.com	China	94	55
Hebei Tangwu Technology Co., Ltd	15632360893	hebeitangwukeji@163.com	China	36	58
Shijiazhuang Dongzhi Chemical Co., Ltd.	18032763683 13102890206; 18032763683;13102890206	442112647@qq.com	China	300	58
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Beijing HwrkChemical Technology Co., Ltd	89508211 18501085097	sales.bj@hwrkchemical.com	China	9407	55

Supplier	Advantage
Shijiazhuang Dushi Biopharmaceutical Technology Co., Ltd	58
Hangzhou Dingxin Biotechnology Co., Ltd.	55
Hebei Tangwu Technology Co., Ltd	58
Shijiazhuang Dongzhi Chemical Co., Ltd.	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Beijing HwrkChemical Technology Co., Ltd	55

View Latest Price from TAPA manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-18	Tris(4-aminophenyl)amine 5981-09-9	$31.00-314.00	5g	0.97	25kg	Shanghai UCHEM Inc.
2026-08-25	Tris(4-Aminophenyl)amine 5981-09-9	$2.20-8.80	1kg	99%	100kg	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2026-03-20	TAPA 5981-09-9		1KG	99%	20 mt	Hebei Chuanghai Biotechnology Co., Ltd

Tris(4-aminophenyl)amine
5981-09-9
$31.00-314.00
0.97
Shanghai UCHEM Inc.

Tris(4-Aminophenyl)amine
5981-09-9
$2.20-8.80
99%
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

TAPA
5981-09-9
99%
Hebei Chuanghai Biotechnology Co., Ltd

TAPA Spectrum

TAPA(5981-09-9)¹HNMR

5981-09-9 (TAPA) Related Search:

Tris(4-nitrophenyl) phosphate Tris[4-(dibutylamino)phenyl]amine Tris(4-iodophenyl)amine 4',4''',4'''''-nitrilotris(([1,1'-biphenyl]-4-carboxylic acid)) Tris(4-bromophenyl)amine

Benzene, 1,4-diethynyl-2,5-difluoro- (9CI) Diphenylethyne- 3, 3', 5, 5'-tetracarboxylic acid (PCN-14) Tetrakis[(4-aminophenoxy)methyl]methane N,N-Diphenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline 3,5-bis(pyridin-4-yl)-4-amino-1,2,4-triazole

Tetraphenylmethane 1,1'-(5'-(4-acetylphenyl)-[1,1':3',1''-terphenyl]-4,4''-diyl)diethanone Tetrakis(4-hydroxybiphenyl)ethylene 3,3',3''-(1,3,5-triazine-2,4,6-triyl)triphenol 4-[tris(4-formylphenyl)methyl]benzaldehyde

4,4',4'',4'''-silanetetrayltetrabenzaldehyde 4'-Bromo-2,2':6',2''-terpyridine 4,4''-Diamino-p-terphenyl

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TAPA TRIS(P-AMINOPHENYL)AMINE N,N-bis(4-aminophenyl)benzene-1,4-diamine 4,4',4''-Nitrilotrianiline 4,4',4''-Nitrilotris(aniline) 4,4',4''-Nitrilotris(benzenamine) 4,4',4''-Nitrilotrisaniline N,N-Bis(4-aminophenyl)-1,4-benzenediamine 1,4-Benzenediamine, N,N-bis(4-aminophenyl)- 1,4-Benzenediamine, N1,N1-bis(4-aminophenyl)- Einecs 227-791-7 Tris (4-aminophenyl) amine （TAPA) N1,N1-Bis(4-aMinophenyl)- N1,N1-bis(4-aminophenyl)benzene-1,4-diamine, TAPA 1490808 4-n,4-n-bis(4-aminophenyl)benzene-1,4-diamine JACS-5981-9-9 Tris(4-Aminophenyl)Amine,>98% 4,4',4''-Triaminotriphenylamine N1,N1-Bis(4-aminophenyl)-1,4-benzenediamine Tris(4-aminophenyl)amine Tris(4-aminophenyl)amine (TPA-3NH2) 5981-09-9 5981-9-9 9/9/5981 COF Fluorescent Labels and Indicators Fluorescent Labels & Indicators