Octahydro-1Ah-2,4-Methanoindeno[1,2-B:5,6-B’]Bis(Oxirene)(CAS 81-21-0)
| Purity | Grade | Package | Stock | Price | Quantity |
| 95% | RG | 1G | In Stock | 19 USD
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| 95% | RG | 5G | In Stock | 56 USD
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| 95% | RG | 25G | In Stock | 189 USD
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| 95% | RG | 100G | In Stock | 589 USD
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| 95% | RG | 500G | In Stock | 2827 USD
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Applications of 81-21-0
| Industry | Application | Process |
|---|---|---|
| Coatings & Inks | Used as an active diluent for epoxy resins to enhance coating flexibility and adhesion | Blended with bisphenol-A epoxy resin and participates in the curing reaction |
| Composites | Formulated as a component of heat-resistant epoxy resin matrices for aerospace structural parts | Thermally cured with amine-based curing agents (e.g., m-phenylenediamine) |
| Adhesives | Improves impact resistance and low-temperature performance of epoxy adhesives | Formulated with multifunctional epoxy resins and thermally cured at 120–180 °C |
| Electronic Encapsulation | Used as a modifier in encapsulation materials to reduce internal stress and increase glass transition temperature | Used synergistically with brominated epoxy resins under a stepwise thermal cure process |
| Plastic Modification | Acts as a compatibilizer and toughening agent for thermoplastic plastics such as polycarbonate and polyester | Extruded into pellets via melt compounding at 180–240 °C |
Physical and chemical properties of 81-21-0
Boiling Point |
326.3±10.0 °C at 760 mmHg |
|---|---|
BRN |
112743 |
Density |
1.331 @ 25 °C |
Exact Mass |
164.083725 |
Flash Point |
134.4±12.8 °C |
Index of Refraction |
1.615 |
LogP |
1.01 |
Melting Point |
180-184 °C |
Molecular Formula |
C10H12O2 |
Molecular Weight |
164.201 |
Odor |
MILD TERPENE LIKE ODOR MAY BE MASKED BY MORE POWERFUL & DISTINCTIVE HYDROCARBON ODOR OF DICYCLOPENTADIENE. |
PSA |
25.06000 |
Solubility |
18.7% IN ETHER |
Storage condition |
2-8°C |
Vapour density |
4.77 @ 25 °C (AIR= 1) |
Vapour Pressure |
0.0±0.7 mmHg at 25°C |
Water Solubility |
Soluble in water. |
Spectrums of 81-21-0
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 81-21-0
Cas:77-73-6
Cas:1755-01-7
Q&A for CAS 81-21-0
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If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.
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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.
9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.
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Download SDS of 81-21-0
Pictograms |
 |
|---|---|
Signal Word |
Danger |
Hazard Statements |
H301 Toxic if swallowed H319 Causes serious eye irritation |
Safety Data Sheet |
Download COA of 81-21-0
Operate under the ISO 9001 system
