Tetrahydromethyl-1,3-isobenzofurandione

Tetrahydromethyl-1,3-isobenzofurandione Suppliers list

Company Name:	Puyang Huicheng Electronic Materials Co., Ltd.
Tel:	+86-0393-+86-0393-8910800 +8615839383373
Email:	info@huichengchem.com
Products Intro:	Product Name:Methyltetrahydrophthalic Anhydride CAS:11070-44-3 Purity:>=99.0% Package:25kg;\|50kg;\|100kg

Company Name:	Hebei Chuanghai Biotechnology Co., Ltd
Tel:	+8615350571055
Email:	Sibel@chuanghaibio.com
Products Intro:	Product Name:Tetrahydromethyl-1,3-isobenzofurandione CAS:11070-44-3 Purity:99% Package:1KG;10.00;USD

Company Name:	Hebei Chuanghai Biotechnology Co,.LTD
Tel:	+86-13131129325
Email:	sales1@chuanghaibio.com
Products Intro:	Product Name:Methyltetrahydrophthalic Anhydride Mthpa CAS:11070-44-3 Purity:98% Package:1kg;10.00;USD

Company Name:	Henan Fengda Chemical Co., Ltd
Tel:	+86-371-86557731 +86-13613820652
Email:	info@fdachem.com
Products Intro:	Product Name:Tetrahydromethyl-1,3-isobenzofurandione CAS:11070-44-3 Purity:99% Package:1kg;34USD\|1000kg;1.2USD

Company Name:	Hebei Zhuanglai Chemical Trading Co Ltd
Tel:	+86-16264648883
Email:	niki@zlchemi.com
Products Intro:	Product Name:Methyl Tetrahydrophthalic Anhydride CAS:11070-44-3 Purity:99% Package:1kg;150USD

Tetrahydromethyl-1,3-isobenzofurandione manufacturers

Methyltetrahydrophthalic anhydride:determination and its effect
Methyltetrahydrophthalic anhydride (MTHPA), an organic anhydride, is a sensitizing agent even at low air concentrations.
Jan 23，2026

Tetrahydromethyl-1,3-isobenzofurandione Basic information

Product Name:	Tetrahydromethyl-1,3-isobenzofurandione
Synonyms:	4-METHYL TETRAHYDROPHTHALIC ANHYDRIDE;3-METHYL-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE;3-METHYL-4-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE;3-METHYL-4-CYCLOHEXEN-1,2-DICARBOXYLIC ANHYDRIDE;AC-METHYL;1,3-Isobenzofurandione, 3a,4;4-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-quinone;cis,cis-3-Methyl-4-cyclohexene-1,2-dicarboxylic acid anhydride
CAS:	11070-44-3
MF:	C9H10O3
MW:	166.17
EINECS:	234-290-7
Product Categories:
Mol File:	11070-44-3.mol

Tetrahydromethyl-1,3-isobenzofurandione Chemical Properties

Melting point	<-100.00°C
Boiling point	120 °C/3 mmHg
density	1,21 g/cm³
vapor pressure	0.373Pa at 24.85℃
refractive index	1.4970 to 1.5020
Fp	157 °C
storage temp.	Storage temp. 2-8°C
Water Solubility	Soluble in water
form	clear liquid
color	Colorless to Light yellow
InChI	InChI=1S/C9H10O3/c1-5-3-2-4-6-7(5)9(11)12-8(6)10/h2-3,5-7H,4H2,1H3
InChIKey	XPEKVUUBSDFMDR-UHFFFAOYSA-N
SMILES	C12C(C)C=CCC1C(OC2=O)=O
LogP	2.45 at 20℃
CAS DataBase Reference	11070-44-3(CAS DataBase Reference)
EPA Substance Registry System	1,3-Isobenzofurandione, tetrahydromethyl- (11070-44-3)

Safety Information

MSDS Information

Tetrahydromethyl-1,3-isobenzofurandione Usage And Synthesis

Chemical Properties	colorless or light yellow liquid
Uses	Methyltetrahydrophthalic Anhydride (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.
Uses	Methyltetrahydrophthalic Anhydride (MTHPA) is used in preparation method of conductive adhesive.
Flammability and Explosibility	Non flammable

Tetrahydromethyl-1,3-isobenzofurandione Preparation Products And Raw materials

Tag:Tetrahydromethyl-1,3-isobenzofurandione(11070-44-3) Related Product Information

Methyl-5-norbornene-2,3-dicarboxylic anhydride Tetrahydromethyl-1,3-isobenzofurandione Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic acid dianhydride 5-Norbornene-2,3-dicarboxylic anhydride ENDO-BICYCLO[2.2.2]OCT-5-ENE-2,3-DICARBOXYLIC ANHYDRIDE Chlorendic anhydride Carbic anhydride 3a,4,7,7a-Tetrahydromethyl-1,3-isobenzofurandione 1,2,3,6-Tetrahydrophthalic anhydride Methyl tetrahydrophthalic anhydride bicyclo[2.2.2]oct-5-ene-2,3-dicarboxylic anhydride CIS-5-NORBORNENE-EXO-2,3-DICARBOXYLIC ANHYDRIDE Methylnadicanhydride 3,4,5,6,7,7-Hexachloro-3,6-endomethylene tetrahydrophthalic anhydride METHYL HIMIC ANHYDRIDE 1,14-DIMETHYL-4,10-DIOXATETRACYCLO[5.5.2.0(2,6).0(8,12)]TETRADEC-13-ENE-3,5,9,11-TETRAONE 3,7-DIMETHYL-11,16-DIOXAPENTACYCLO[6.5.5.0(1,6).0(9,13).0(14,18)]OCTADEC-6-ENE-10,12,15,17-TETRONE 4,5-DIMETHYL-6-(2-METHYL-PROPENYL)-3A,4,7,7A-TETRAHYDRO-ISOBENZOFURAN-1,3-DIONE

HomePage | Member Companies | Advertising | Contact us | Previous WebSite | MSDS | CAS Index | CAS DataBase | Privacy | Terms | About Us
All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.
According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.