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Current Position: Home > Product >Organic Raw Material >Tetrahydromethyl-1,3-isobenzofurandione CAS 11070-44-3
Product
Tetrahydromethyl-1,3-isobenzofurandione CAS 11070-44-3
  • Brand:hebei qujie
  • Model:170kg/Drum
  • Purity:99%
  • Cas:11070-44-3
  • Createtime: 2026-06-01
  • Updatetime: 2026-06-05
Product Details
useage Used as epoxy resin curing agent and organic synthetic material.
deliveryInfo
appearance colourless liquid
aliasen
supplyCapacity 90T/Month
harbor tianjin qingdao shanghai
minorder 1KG

Product Description

Introduction:
Methyltetrahydrophthalic anhydride has excellent properties such as long-term storage at room temperature, low freezing point, low volatility, and low toxicity. Widely used for impregnation, casting, and winding of motors, dry-type transformers, high-voltage switches, transformers, row output transformers, household appliance capacitors, power capacitor resistors, integrated circuits, etc.

Application:
MethyltetrahydrophthalicAnhydride (abbreviation:MTHPA) has been used in the curing agents for epoxy resins, solvent-free paints,laminated boards, epoxy adhesives and so on. When used in the curing agent for epoxy resins, there are many excellent performances such as the long-term storage at room temperature, low freezing point, low volatility and low toxicity. Also widely used in motors, dry-type transformers, appliances capacitors, power capacitors, integrated circuits impregnation, casting and winding.


Product Parameters

 
Test Items
Specifications
Appearance
Colorless or light yellow liquid
Density, g/cm3, 20oC
1.21±0.05
Colour (Pt-Co)
200
Viscosity, MPA.S (25oC)
30-60
Anhydrid content, %
41.0 min
Freezing point, oC
-15 max
Volatile content, %
1.0 max
Free acid, %
1.0 max
Acidity (mgKOH/g)
660-685
Density, g/cm3, 20oC
1.21±0.05
Colour (Pt-Co)
200

 




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For bulk orders, sea shipping is the most cost-effective choice. Transit time ranges from several days to weeks, depending on your destination port.

Q4: Custom packaging & labels

Yes, we support customized labels and packaging as per your requirements.

Q5: Quality assurance

All our products are fully qualified. We conduct strict testing and will provide the Certificate of Analysis (COA) prior to delivery.

 

After-sales Service

1. All products are manufactured and inspected in compliance with national standards. Defective goods are never delivered. We strictly abide by quality commitments and after-sales regulations.

2. If you have any quality complaints, we will respond within 24 hours. Should our products fail to meet quality standards, we offer a full refund.