• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Classification: Chemical Auxiliary Agent
  • CAS No.: 26590-20-5
  • Other Names: Methyl tetrahydrophthalic Anhydrid
  • MF: C9H10O3
  • Purity: 99.5%, 99.5%
  • Place of Origin: Henan, China (Mainland)
  • Type: Coating
  • Usage: Coating Auxiliary Agents, Electronics Chemicals, Surfactants
  • Brand Name: PYTCHG
  • Model Number: TC-601
  • Appearance: Colorless Transparent Liquid
  • Application: Epoxy Curing agent and Epoxy Hardner

Packaging & Delivery

Packaging Details Net 25kg plastic drum or 220kg metal pail or other requested packings.
Delivery Time Prompt
Product Description

Methyl tetrahydrophthalic anhydride is MTHPA and MeTHPA for short.

CAS No.: 26590-20-5;

Molecular formula: C9H10O3;

Molecular weight: 166.18;

Specific weight: 1.15;

Soluble in benzene, acetone etc., can absorb moisture.



MTHPA with the grade of TC—601/602 are curing agents for epoxy resins, and mainly used in electronics, electric work and encapsulation industries. It is the major base metal for mutual inductors, insulated paint, high-voltage electrical apparatus and glass reinforced plastics.





Light yellow transparent liquid

Color (Pt-Co)


 200# max

Anhydride content %

40.5 min

 40.5 min

Density g/cm3 20℃

1.21±0.05                                                        1.21±0.05

Crystallization point ℃

-15 max                                                           -15 max

Viscosity pa.s(25℃)

0.050 max                                                        0.050 max

Acid value mgKOH/g

660-685                                                           660-685

Packaging & Shipping

 Net 25kg plastic drum or 220kg metal pail or other requested packings.


Closed tight, protect against moisture; shelf life at room temperature is 1 year. If absorbed moisture, it will generate precipitation. Then heat it at around 140℃ for recovery, and its property will not be affected.

Our Services

1- Professional Communiactions before Sales

2- Stable Product Quality from A to Z

3- Special Logistics for liquid MTHPA

4- Shipment tracking after sales

5- Friendly to customers no matter the scales is big or not and where you come from.


Company Information

Puyang Tiancheng Chemical Co., Ltd. with original registered capital RMB10000000 is a leading supplier and manufacturer that specialized in the production and sales of MTHPA and Methyl tetrahydrophthalic Anhydride in China.





1-What trade terms you adopt most of the time?

We accept trade terms on FOB,CFR and other customers' requested terms.


2- What payment terms you accept?

We accept T/T,L/C and other adjusted payment terms.


3- Will you give us discount if we purchase the goods in large order?

Of course. The price terms is closely connected to your order Qty and the relations between us.


Please free to contact us if you have the demand for MTHPA.


Jackie Xie


Sales Manager

Puyang Tiancheng Chemical Co.,Ltd.
ADD: No.376,HuangHe Road,Puyang City,Henan Province,China      
TEL:  86-393-8910238 
FAX:  86-393-8910236


Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Manufacturer, Trading Company
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $56,000
Learn More