Bisphenol-A Cyanate Ester CAS 1156-51-0 is a cyanate ester monomer used in high-performance thermosetting resin systems, particularly for electronic materials, prepregs, composite materials, and other applications requiring controlled thermal and dielectric properties.
Key Specifications
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Appearance |
White crystalline powder |
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Assay |
99.0% Min |
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Melting Point |
80-82 C |
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Moisture |
0.1% Max |
If required, the latest specifications and analysis report will be made available.
Packaging, Storage and delivery
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Standard Packaging |
25KG per carton |
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Storage Conditions |
Keep the storage container sealed, store in a cool and dry place, and ensure that the workshop has good ventilation or exhaust devices. If used and stored in accordance with the specifications, it will not decompose. There are no known hazardous reactions. Avoid oxides |
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Transport information |
UN3276/6.1/ III |
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Shipping Methods |
DHL, FedEx, air freight or sea freight (IMDG/IATA compliant) |
Formulation Compatibility
The material is soluble in commonly used prepreg solvents such as methyl ethyl ketone (MEK) and acetone. It can also be combined with other cyanate ester resins, epoxy, BMI (bismaleimide) and selected thermoplastics, depending on the customer's formulation and processing conditions.
This compatibility allows customers to evaluate the material within existing resin systems rather than developing an entirely new formulation around a single component.
Manufacturing & Process Control
Raw Material Verification
Incoming raw materials are checked against defined purchasing and production requirements before being released for manufacturing.
Reaction Process Control
Key process conditions are monitored during production to maintain consistent reaction performance and reduce batch-to-batch variation.
Purification Control
The purification stage is controlled to remove unwanted residual components and maintain the required product quality for downstream applications.
Drying and Moisture Control
Post-processing and drying conditions are controlled to limit moisture exposure before the material enters final packaging.
Batch Release
Finished batches are tested against the applicable product specification before release. Production and testing records are maintained for batch traceability.
Quality Documentation & Technical Support
Batch COA
A Certificate of Analysis can be supplied for the relevant production batch to allow customers to verify the material against the agreed specification.
Technical Data
Product specifications and available technical information can be provided for customer R&D, formulation evaluation and supplier qualification.
SDS
Safety Data Sheet documentation is available for customer handling, storage, transportation and internal compliance review.
Packaging, Storage & Delivery
Standard Packaging - 25 kg per carton for regular orders.
Inner Packaging - Sealed inner packaging is used to protect the product during handling and transportation.
Customized Packaging - Alternative pack sizes and labeling can be discussed according to order quantity and customer requirements.
Batch Identification - Each package is marked with relevant product, batch and weight information for receiving and traceability.
Container - Keep the container tightly sealed when not in use.
Environment - Store in a cool, dry and well-ventilated area.
Moisture Protection - Minimize exposure to moisture during storage and handling.
Incompatible Materials - Keep away from oxidizing substances and other incompatible materials.
Original Packaging - Retain the original packaging until the product is ready for use.
Express - DHL or FedEx for suitable sample and small-volume shipments.
Air Freight - Available for time-sensitive commercial orders subject to applicable transport requirements.
Sea Freight - Suitable for larger-volume shipments.
Shipping Compliance - Transportation and dangerous-goods documentation are arranged according to the applicable shipping classification and destination requirements.
Lead Time - Confirmed according to order quantity, specification and production schedule.
Shipment Planning - Shipping method is selected based on destination, order volume and required delivery time.
Export Documents - Required shipping and customs documents can be prepared according to the destination and shipment method.
Customer Information - Customers should provide destination country, order quantity and preferred delivery date when requesting a quotation.
Customization & Supply Options
Customer-Specified Specifications
Customers can provide their own specification for technical review before ordering. Requirements may include assay, moisture, impurity limits, physical properties or additional testing items.
Customized Packaging
Packaging, labeling and shipment arrangements can be discussed according to order quantity, destination and customer handling requirements.
Bulk Supply
Following sample or formulation approval, commercial-volume supply can be arranged according to the confirmed specification and order schedule.
Long-Term Supply
For recurring industrial requirements, customers can provide estimated purchasing volumes and delivery schedules so that ongoing supply arrangements can be evaluated with our production and sales teams.
Procurement Information
Information Required for Quotation
To prepare an accurate quotation, customers are recommended to provide:
Required quantity
Target specification
Application or formulation
Sample or bulk requirement
Packaging preference
Destination country
Required delivery date
Providing these details allows us to evaluate the appropriate specification, packaging and shipping arrangement before quotation.
Sample Evaluation
Samples are available for customers who need to evaluate Bisphenol-A Cyanate Ester in their own resin formulations.
For sample requests, customers can provide:
Required sample quantity
Intended application
Target specification
Required testing items
Destination country
Special packaging requirements, if applicable
Spectrum
FAQ
Q: Is Bisphenol-A Cyanate Ester suitable for blending with epoxy resin?
A: Yes. It can be incorporated into epoxy resin systems. The suitable ratio and curing conditions should be determined through formulation testing.
Q: What is the difference between Bisphenol-A Cyanate Ester and other cyanate ester monomers?
A: The molecular structure affects reactivity, processing, compatibility and cured-resin properties. Selection should be based on the required formulation performance.
Q: Can this cyanate ester be used with BMI resin?
A: Yes. It can be incorporated into BMI resin systems. Compatibility depends on the BMI grade, formulation ratio and curing process.
Q: What should I consider when selecting a Bisphenol-A Cyanate Ester supplier?
A: Consider product consistency, analytical data, production capability, technical support, documentation and supply reliability.
Q: How can I evaluate whether this grade is suitable for my formulation?
A: Evaluate it in your actual resin system and compare processing behavior, curing response and final performance with your requirements.
Q: Is Bisphenol-A Cyanate Ester suitable for high-frequency applications?
A: Yes. It can be used in high-frequency electronic resin systems, subject to the required dielectric and thermal performance.
Q: What should I compare when evaluating different CAS 1156-51-0 suppliers?
A: Compare assay, moisture, impurity profile, analytical consistency, documentation, sample performance and batch consistency.
Q: Can Bisphenol-A Cyanate Ester be used as a standalone resin?
A: It is primarily a reactive cyanate ester monomer for resin formulation rather than a finished resin system.
Q: Is Bisphenol-A Cyanate Ester available for industrial-scale purchasing?
A: Yes. Commercial supply can be arranged after the required specification and quantity are confirmed.
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