3,4,5,6-Tetrahydrophthalic anhydride CAS 2426-02-0

CAS 2426-02-0 Typical Properties

Product name
3,4,5,6-Tetrahydrophthalic anhydride

CAS No.
2426-02-0

MF
C8H8O3

MW
152.15

EINECS
219-374-3

Melting point
69-73 °C(lit.)

Purity
≥99.0%

CAS 2426-02-0 Usage
1.3,4,5,6-Tetrahydrophthalic anhydride is abbreviated as △1, which is an intermediate of the insecticide tetramethrin.
2.Can be used as alkyd resin modifier, epoxy resin curing agent, unsaturated polyester resin, pesticide and pharmaceutical raw materials, etc.
3.Used for light-colored or air-drying alkyd resin, light-stable unsaturated polyester, curing agent for epoxy resin, putty resin, PE resin, solvent-free paint, antifouling paint, HF-level insulating paint, fast drying at room temperature or Production of anaerobic binder, EPS plasticizer, pesticide captan and tetramethrin.
4.It can be used as modifier of alkyd resin, curing agent of epoxy resin, unsaturated polyester resin, pesticide and medical raw material
CAS 2426-02-0 Packaging and Shipping
Aluminum Foil Bag ,Fluoride Bottle ,25KG/Fiber Drum,
According to customer’s request
CAS 2426-02-0 Storage
Store at room temperature and away from light
CAS 2426-02-0 Quality Standard
Appearance: white shiny crystal
Infrared spectrometry: match the reference
Melting point: 70°C-74°C
Purity: ≥98.0%
CAS 2426-02-0 Production method
The preparation method is to add 1,2,3,6-tetrahydrophthalic anhydride and phosphorus pentoxide to the reactor and mix, heating to control the reaction temperature of 200 ℃, the low boilers are evaporated during the reaction, and the reaction is over After vacuum distillation, the fraction of 144～150℃/600Pa is collected to be 3,4,5,6-tetrahydrophthalic anhydride.