Methyl tetrahydrophthalic anhydride MTHPA 19438-64-3

Methyl tetrahydrophthalic anhydride, also known as methyl tetrahydrophthalic anhydride, is a light yellow transparent oily liquid. It is an important intermediate in electronic information materials, pesticides, resins, and can also be used in industries such as coatings, plasticizers, and pesticides.

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Model:
19438-64-3
Brand:
futurechemical
Code:
19438-64-3

Product Description

Methyl tetrahydrophthalic anhydride Basic information
Product Name:	Methyl tetrahydrophthalic anhydride
CAS:	19438-64-3
MF:	C9H10O3
MW:	166.17
EINECS:	234-290-7;251-823-9
Mol File:	19438-64-3.mol
Methyl tetrahydrophthalic anhydride Chemical Properties
Boiling point	308.9±41.0 °C(Predicted)
density	1?+-.0.06 g/cm3(Predicted)
storage temp.	-20°C, sealed storage, away from moisture
Appearance	Colorless to light yellow Liquid
InChI	InChI=1S/C9H10O3/c1-5-2-3-6-7(4-5)9(11)12-8(6)10/h4,6-7H,2-3H2,1H3
InChIKey	MWSKJDNQKGCKPA-UHFFFAOYSA-N
SMILES	C1(=O)C2C(CCC(C)=C2)C(=O)O1
CAS DataBase Reference	19438-64-3(CAS DataBase Reference)

Methyl tetrahydrophthalic anhydride C₉H₁₀O₃ MTHPA 19438-64-3 Epoxy resin curing agent Plasticizer

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.