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

Tetrahydrothiophene CAS 110-01-0
11 6 月, 2020
Dimethyl carbonate CAS 616-38-6
11 6 月, 2020

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

Products Name


3,4,5,6-Tetrahydrophthalic anhydride

Products Description

MF:C8H8O3, C8H8O3
EINECS No.:219-374-3
Place of Origin:Shandong China, Shandong China
Type:Pharmaceutical Intermediates Inquiry Now

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.