Hexahydrophthalic anhydrideCAS NO.: 85-42-7

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1 Kilogram	FOB Price:USD 4.0000 -5.0000

1 Kilogram

FOB Price:USD 4.0000 -5.0000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : L/C,D/A,D/P,T/T,,MoneyGram,Other

Keywords

Hexahydrophthalic anhydride 1,2-Cyclohexanedicarboxylic Acid anhydride 1,3-Isobenzofurandione, hexahydro-

Quick Details

Appearance:colourless liquid
Application:Catalyst and Auxiliary
PackAge:Aluminium Foil Bag and Paper Drum
ProductionCapacity:10000|Gram|Day
Storage:Room temperature
Transportation:By sea or by air

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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.]