3, 3′ , 4, 4′ -Benzophenonetetracarboxylic Dianhydride CAS: 2421-28-5

• Customization: Available
• CAS No.: 2421-28-5, No
• Formula: C17h6o7, No
• Model NO.: TJEL-9
• EINECS: 219-348-1, No
• Status: Liquid Catalyst
• Response Type: Polymerization
• Classification: Homogeneous Catalysts
• Usage: Positive Catalyst
• Effect Size: Promoter Catalysts
• Manufacturing Method: Mechanical Mixing
• Application Industry: Industry
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Refined
• Colour: White
• Transport Package: 25kg Bag
• Specification: 99%
• Trademark: No brand
• Origin: China
• HS Code: 29329990
• Production Capacity: 500mts Per Year

Product Description

3,3',4,4'-Biphenyltetracarboxylic dianhydride cas 2421-28-5 BPDA
Product description:

Product name:3,3',4,4'-Biphenyltetracarboxylic dianhydride  BPDA
CAS :  2421-28-5
Appearance:off white crystal powder
Purity:99.5%min
 

Melting point	218-222 °C (lit.)
Boiling point	320°C 5mm
density	1,57 g/cm^3
vapor density	1.4 (vs air)
vapor pressure	<0.1 mm Hg ( 0 °C)
refractive index	1.6380 (estimate)

 

Product  name	3,3',4,4'-Benzophenonetetracarboxylic dianhydride
CAS	2421-28-5
Molecular  Formula	C17H6O7
Molecular  weight	322.23
Apperance	White  powder
purity	99%

2.Useage  for  3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Organic intermediate

3 .storage  for  3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Keep container sealed and store in an ventilated, low temperature, dry warehouse, separate from foods and oxidizing agents.

Packing                                                                                                                                     

Liquid products

• 25kg,50kg,180kg,200kg,250kg,1000kg,as your needs

Solid products

• 25kg,50kg,as your needs

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Logistics transportation methods can be divided into various ways according to the different transportation means.

• Transit could be DHL,UPS,TNT,EMS,Fedex,and so on.
• For mass orders, it will be delivered by air or sea.
• Depending on your location, please allow 1-5 business days for your order to arrive.
• For small order, please expect 3-7 days by UPS DHL EMS.
• For mass order, please allow 5-8 days by Air, 15-30 days by Sea.