Keywords

• 3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride;3,3',4,4'-Tetracarboxybenzophenone dianhydride;
• 2421-28-5
• 3,3',4,4'-Benzophenonetetracarboxylic dianhydride

Quick Details

• ProName: Benzophenonetetracarboxylic dianhydrid...
• CasNo: 2421-28-5
• Molecular Formula: C17H6O7
• Appearance: Off-white to brown,?Needles or Crystal...
• Application: pharm intermediate 2421-28-5
• DeliveryTime: Regular inventory
• PackAge: 25kg fiber drums
• Port: SHANGHAI SEAPORT
• ProductionCapacity: 100 Metric Ton/Quarter
• Purity: 98%
• Storage: Inert atmosphere,Room Temperature
• Transportation: multiple transportation for your choo...
• LimitNum: 1 Gram

Superiority

We product this chemical more than 10 years .  We are very experience to export it to many countries, Our superior & stable  quality , competitive price gain warm reception from our customers.  

Specification : 

3,3',4,4'-Benzophenonetetracarboxylic dianhydride

CAS No：2421-28-5

Assay:98%

Appearance：Off-white to brown, Needles or Crystalline Powder

Molecular formular：C17H6O7

Molecular weight：322.23

EINECS No：219-348-1

Melting point: 218-222 °C (lit.)

Boiling point: 320°C 5mm

Density: 1,57 g/cm³

Refractive index: 1.6380 (estimate)

Fp: 324 °C

Storage temp: Inert atmosphere,Room Temperature

Solubility: DMF: 0.1 g/mL, clear

Form: Needles or Crystalline Powder

Color: Off-white to brown

Explosive limit: 16%

Water Solubility : REACTS

Sensitive: Moisture Sensitive

λmax: 580nm(CH3CN)(lit.)

Sublimation: 220-230 ºC

BRN: 761777

Stability: Hygroscopic

LogP: 3.3 at 25℃

Details

HANGZHOU TIANYE CHEMICALS Co.LTD , Located in Eastern Science and Innovation Park Hangzhou .
We are a high-tech enterprise specialized in technical research and development, production, development and trade of chemical products.
We supply Multiple solutions for our customers include offering, research ,Contract Manufacturing Organization(CMO),Contract development and manufacturing organization(CDMO) .
We have obtained ISO 9001 and ISO 14001 certificates to make sure supply more superior quality and Environmentally friendly chemicals .
Since 2009, we have provided various chemical products to customers around the world, And We practice the concept of "customer first" and hope to provide customers with all-round and high-quality services and will keep it all the time .
We are willing to become your trustworthy partner with high-quality products and sincere service!

We can provide customers with small quantities with gram level for laboratories research to tonnage level for industrial production Synthesis capacity from 1 liter to 5914 liter is available.