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Hexahydrophthalic anhydrideCAS NO.: 85-42-7 CAS NO.85-42-7
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Keywords
- Hexahydrophthalic anhydride
- 1,2-Cyclohexanedicarboxylic Acid anhydride
- 1,3-Isobenzofurandione, hexahydro-
Quick Details
- ProName: Hexahydrophthalic anhydrideCAS NO.: 85...
- CasNo: 85-42-7
- Molecular Formula: C8H10O3
- Appearance: colourless liquid
- Application: Catalyst and Auxiliary
- DeliveryTime: In stock
- PackAge: Aluminium Foil Bag and Paper Drum
- Port: China main port
- ProductionCapacity: 10000 Gram/Day
- Purity: 99%
- Storage: Room temperature
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- Grade: Industrial Grade,Food Grade,Pharma Gra...
- first class: 1-10
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Details
| Description | Hexahydrophthalic anhydride (HHPA) is widely used for electronics applications, e.g. HHPA cured epoxy resins have excellent dielectric properties, high-temperature stability, and high glass transition temperatures. HHPA is used as a curing agent in adhesive coatings and sealant materials, e.g. for the second-generation two-part epoxy adhesive synthesis. Hexahydrophthalic anhydride is also used in the manufacture of alkyd and polyester resins, insecticides, and rust preventives. |
| References |
[1] Guy Rabilloud, High Performance Polymers. Vol. 1 Conductive Adhesives, 1997 [2] John Burke Sullivan and Gary R. Krieger, Clinical Environmental Health and Toxic Exposures, 2001 [3] B. A. G. Jönsson, H. Welinder, C. Hansson and B. Ståhlbom, Occupational exposure to hexahydrophthalic anhydride: air analysis, percutaneous absorption, and biological monitoring, International Archives of Occupational and Environmental Health 1993, vol. 65, 43-47 |
| Chemical Properties | White crystalline powder |
| Uses | Intermediate for alkyds, plasticizers, insect repellents, and rust inhibitors; hardener in epoxy resins. |
| Definition | ChEBI: A cyclic dicarboxylic anhydride that is the cyclic anhydride of hexahydrophthalic acid. |
| Hazard | Toxic by inhalation, strong irritant to eyes and skin. |
| Purification Methods | It has been obtained by heating the trans-acid or anhydride at 200o. Crystallise it from *C6H6/Et2O or distil it. [Kohler & Jansen J Am Chem Soc 60 2145 1938, Abell J Org Chem 22 769 1957, Beilstein 17 II 452, 17 III/IV 5931.] |