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3,3′,4,4′-Biphenyltetracarboxylic Dianhydride (BPDA) CAS 2420-87-3 Purity ≥99.5% (HPLC)

Ruifu Chemical is the leading manufacturer of 3,3',4,4'-Biphenyltetracarboxylic Dianhydride (s-BPDA; BPDA) (CAS: 2420-87-3) with high quality, It has high thermal and chemical stability. s-BPDA is a monomer used in the production of polyimide products and their composites, used in the manufacture of new polymer materials. Ruifu Chemical is a reliable partner for companies in need of high quality S-BPDA. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service. Please contact us by e-mail: alvin@ruifuchem.com

Chemical Name 3,3',4,4'-Biphenyltetracarboxylic Dianhydride
Synonyms 4,4'-Biphthalic Anhydride; s-BPDA; BPDA; Diphenyl-3,3',4,4'-Tetracarboxylic Dianhydride; [5,5'-Biisobenzofuran]-1,1',3,3'-tetraone; BPDA Dianhydride
Stock Status In Stock, Production Capacity 500 Tons per Year
CAS Number 2420-87-3
Molecular Formula C16H6O6
Molecular Weight 294.22 g/mol
Melting Point 299.0~305.0℃(lit.) 
Density 1.625±0.06 g/cm3 
Store Under Inert Gas Store Under Inert Gas
Sensitive Moisture Sensitive   
Solubility in Hot DMF   Almost Transparency 
Storage Temp.  Store Long-Term in a Cool & Dry Place
COA & MSDS Available
Sample  Available
Origin of Product    Shanghai, China
Brand Ruifu Chemical
Items Specifications  Results
Appearance White or Off-White Crystalline Powder   Conforms  
Melting Point 299.0~305.0℃ 299.0~302.0℃       
Loss on Drying ≤0.50% 0.11%
Sulphated Ash   ≤0.20% 0.09%
Heavy Metals (Pb) ≤10ppm <10ppm 
Related Substances 
Each Impurity  ≤0.10% <0.10%
Total Impurities ≤0.50% 0.20%
Purity / Analysis Method ≥99.5% (HPLC)   99.8%
Infrared Spectrum Conforms to Structure   Conforms 
NMR Spectrum Conforms to Structure   Conforms   
Conclusion The product has been tested and complies with the given specifications

Package: Fluorinated Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry, and well-ventilated warehouse away from incompatible substances. Keep away from sunshine; avoid fire and heat sources; avoid moisture.
Shipping: Deliver to worldwide by air, by sea, by FedEx / DHL Express. Provide fast and reliable delivery. 

How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.

Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.

Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.

Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.

Factory Audit? Factory audit welcome. Please make an appointment in advance.

MOQ? No MOQ. Small order is acceptable.

Delivery Time? If within stock, three days delivery guaranteed.

Transportation? By Express (FedEx, DHL), by Air, by Sea.

Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.

Custom Synthesis? Can provide custom synthesis services to best fit your research needs.

Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc. 

Hazard Symbols Xi - Irritant
Risk Codes 36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
WGK Germany 3
HS Code 2917399090

3,3',4,4'-Biphenyltetracarboxylic Dianhydride (s-BPDA; BPDA) (CAS: 2420-87-3) has unique properties that cater to the diverse needs of various industries. Its exceptional thermal stability, with a melting point above 300℃, ensures its reliability in high-temperature applications. Furthermore, s-BPDA exhibits excellent electrical insulation properties, making it an ideal choice for use in electronic components and insulation materials.
This versatile compound offers remarkable solubility in various organic solvents, allowing for flexible manufacturing processes and easy integration into different formulations. Whether it is in the production of high-performance polymers, advanced composites, or specialty coatings, our s-BPDA serves as a catalyst for innovation.
s-BPDA is a raw material for the polyimide resin component of one of the super-engineering plastics. s-BPDA is a monomer that is used in the production of a number of polyimides. s-BPDA-based synthetic polymers are widely used in aerospace, electronics, semiconductors, electronic devices, high-temperature materials, and coatings. Due to its excellent properties, polyimide materials can be used in the manufacture of high temperature stable electronic components, thermally conductive materials, optical materials, films and coatings, and other applications requiring high temperature resistance and chemical stability.

At Shanghai Ruifu Chemical Co., Ltd., quality and purity are of utmost importance. Our s-BPDA undergoes rigorous testing and analysis to ensure that it meets the highest industry standards. Our experienced team of professionals work tirelessly to guarantee the consistency and reliability of this important compound, enabling our customers to start their projects with absolute confidence.

1. Under high temperature conditions, excellent physical, mechanical, electrical and chemical properties.
2. High tensile strength, modulus, and excellent long-term heat resistance.
3. Polyimide does not require the addition of flame retardants to prevent combustion.