N,N,N’,N’-Tetraphenylbenzidine

Product Name：N
N
N’
N’-Tetraphenylbenzidine
CAS：15546-43-7
MFC36H28N2
MW：488.62
EINECS：239-599-0
MOL File：15546-43-7.mol

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N,N,N’,N’-Tetraphenylbenzidine (TPB) Product Guide

Chemical Formula: C42H32N2

CAS Number: 3482-11-9

Appearance: White to pale yellow crystalline powder

Parameter	TPB Grade A	TPB Grade B	Industrial Grade
Purity	≥99.9%	≥99.5%	≥98%
Melting Point	294-297°C	292-296°C	290-295°C
Solubility	Chloroform, THF	Chloroform, DMF	Limited solubility

TPB is widely used in:

Storage: Keep in dark, dry environment at 2-8°C

Handling: Use nitrogen glove boxes for oxygen-sensitive applications

Safety: Avoid inhalation – use PPE with proper ventilation

Client: Leading Display Manufacturer (South Korea)

Challenge: Achieve 15% improvement in device lifetime

Solution: Implemented high-purity TPB in HTL matrix

Result: 18% longer operational stability at 1000 cd/m²

Client: European Research Institute

Challenge: Detect NH₃ at <1 ppm concentration

Solution: TPB-based nanocomposite film

Result: 0.5 ppm detection limit with 90% response repeatability

Vendor	Purity	Lead Time	Price Range
Supplier X	99.9%	2-3 weeks	$850-$950/g
Supplier Y	99.5%	1 week	$650-$750/g
Supplier Z	98%	In stock	$400-$500/g

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类别 chem