Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.

3,3',4,4'-Biphenyltetracarboxylic dianhydride  CAS 2420-87-3  IN Stock 4,4'-Biphthalic Anhydride 

2420-87-3 CAS 2420-87-3  highly quality and immedaite delivery

3,3',4,4'-Biphenyltetracarboxylic dianhydride Manufacturer High quality Best price In stock factory CAS 2420-87-3

3,3',4,4'-Biphenyltetracarboxylic dianhydride CAS 2420-87-3

 4,4'-Biphthalic Anhydride  CAS 2420-87-3

3,3',4,4'-Biphenyltetracarboxylic dianhydride
3,3',4,4'-Biphenyltetracarboxylic3,4:3',4'-dianhydride (7CI,8CI);3,3',4,4'-Biphenyltetracarboxylic acidanhydride;3,3',4,4'-Biphenyltetracarboxylic anhydride;3,4,3',4'-Biphenyltetracarboxylic acid dianhydride;4,4'-Biphthalic anhydride;BPDA;[1,1'-Biphenyl]-3,3',4,4'-tetracarboxylic3,4:3',4'-dianhydride;
IUPAC Name: 5-(1,3-Dioxo-2-benzofuran-5-yl)-2-benzofuran-1,3-dione
Melting point         299-305 ºC
3,3’,4,4’-Biphenyl tetracarboxylic diandhydride; 4,4'-biphthalic dianhydride; 3,3',4,4'-biphenyl tetracarboxylic dianhydride; 4,4'-BIPHTHALIC ANHYDRIDE; Biphthalicanhydride; Expand
CAS No.     2420-87-3
Molecular Formula     C16H6O6
Molecular Weight     294.21500
PSA     86.74000
LogP     1.97480
Properties
Polar Surface Area: 86.74 Å2
Index of Refraction: 1.696
Molar Refractivity: 69.7 cm3
Molar Volume: 180.9 cm3
Surface Tension: 75.1 dyne/cm
Density: 1.625 g/cm3
Flash Point: 277.4 °C
Enthalpy of Vaporization: 91.23 kJ/mol
Density     1.625g/cm3
Boiling Point     614.9ºC at 760mmHg
Melting Point     299-305ºC
Flash Point     277.4ºC
Refractive Index     1.696
Vapor Pressure     5.81E-15mmHg at 25°C
Safety Info
Safety Statements     S26-S36
Risk Statements     R36/37/38
Hazard Codes     Xi
Signal Word     Warning

Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary, Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. Our manufactory specialised in extreme temperature conditions (-100oC to +300oC), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, Mitsunobu reactions, enantioselective reactions and asymmetric synthesis.we specialize in developing innovative processes for the synthesis of a wide range of products. we also undertake custom synthesis and contract manufacturing. We have Strong quality control system: Strength of our ethical commitment to quality control and quality assurance systems firmly based on ISO standard. QA and QC used in the whole process of raw materal control, process control and finished product quality inspection. Oue company has passed has passed the ISO9001:2008 .We have flexible payment terms with all of our clients: Various payment terms such as L/C,D/P,D/A and T/T will be accepted. we've been authorized the import&export qualification by the government and also has passed the “iso 9001-2008 quality management system” certification. Our company has strong R&D ability and production experience to provide the customers new APIs. We specialize in developing innovative processes for the synthesis of a wide range of products. We also undertake custom synthesis and contract manufacturing.we always stand on the quality of product as our life, develop in the direction of customers requirement and aim at creating greater value for customers.innovation and honesty, we will make common development with the masses of customers at home and abroad hand in hand by our best service.the aim of qdsigma is a quality policy that "elements in the system all have been satisfied, personnel has been trained; every batch of material is checked, each procedure guarantees the quality; every bag of our products is top grade, service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. the quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services. the aim of qdsigma is a quality policy that "elements in the system all have been satisfied, personnel has been trained; every batch of material is checked, each procedure guarantees the quality; every bag of our products is top grade, service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. the quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.our concept,1.client is first. 2.credibility is the most important.3.quality control is our life.4.great sense of responsibility.5.we will be responsible for not only our products, our clients, also the society.the corporation's slogan：reliable, professional, cooperative and innovative.the corporation's philosophy: widely absorb different excellent views and ideas from all over the world.the corporation's destination: we will constantly strive to supply customers with new and high-tech products and will keep the leadership in the field. Think Chemistry,Think CHemWill.

5) Supply, technological advantages, etc.

Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA.Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceutical ingredients(APIs), Veterinary, Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. Our manufactory specialised in extreme temperature conditions (-100oC to +300oC), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, Mitsunobu reactions, enantioselective reactions and asymmetric synthesis.we specialize in developing innovative processes for the synthesis of a wide range of products. we also undertake custom synthesis and contract manufacturing. We have Strong quality control system: Strength of our ethical commitment to quality control and quality assurance systems firmly based on ISO standard. QA and QC used in the whole process of raw materal control, process control and finished product quality inspection. Oue company has passed has passed the ISO9001:2008 .We have flexible payment terms with all of our clients: Various payment terms such as L/C,D/P,D/A and T/T will be accepted. we've been authorized the import&export qualification by the government and also has passed the “iso 9001-2008 quality management system” certification. Our company has strong R&D ability and production experience to provide the customers new APIs. We specialize in developing innovative processes for the synthesis of a wide range of products. We also undertake custom synthesis and contract manufacturing.we always stand on the quality of product as our life, develop in the direction of customers requirement and aim at creating greater value for customers.innovation and honesty, we will make common development with the masses of customers at home and abroad hand in hand by our best service.the aim of qdsigma is a quality policy that "elements in the system all have been satisfied, personnel has been trained; every batch of material is checked, each procedure guarantees the quality; every bag of our products is top grade, service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. the quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services. the aim of qdsigma is a quality policy that "elements in the system all have been satisfied, personnel has been trained; every batch of material is checked, each procedure guarantees the quality; every bag of our products is top grade, service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. the quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.our concept,1.client is first. 2.credibility is the most important.3.quality control is our life.4.great sense of responsibility.5.we will be responsible for not only our products, our clients, also the society.the corporation's slogan：reliable, professional, cooperative and innovative.the corporation's philosophy: widely absorb different excellent views and ideas from all over the world.the corporation's destination: we will constantly strive to supply customers with new and high-tech products and will keep the leadership in the field. Think Chemistry,Think CHemWill.

Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. 

Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Basic chemicals , Fine chemicals,  Active pharmaceutical ingredients(APIs), Veterinary,  Indole derivatives, Aromatics, Fluorine, Boronic acids, organocatalysts, chiral building blocks, heterocyclic compounds. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place. 

Our R&D team masters core technology for process-design of target building block as well as Tailor-made fine chemicals. Our manufactory specialised in extreme temperature conditions (-100ºC to +300ºC), hydrogenations reaction under high pressure, suzuki coupling reaction, photochemical reaction, Mitsunobu reactions, enantioselective reactions and asymmetric synthesis. 

Think Chemistry,Think CHemWill

Factory Plant Address:
High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China


Shanghai office: (Export Department)
Address: 16FL., INDUSTRY & COMMERCIAL BUILDING, NO.45 YAN’AN ROAD(E), 200002, SHANGHAI, CHINA