ChemicalBook >> CAS DataBase List >>Tetrahydromethyl-1,3-isobenzofurandione
Tetrahydromethyl-1,3-isobenzofurandione
- CAS No.
- 11070-44-3
- Chemical Name:
- Tetrahydromethyl-1,3-isobenzofurandione
- Synonyms
- MTHPA;4-METHYL TETRAHYDROPHTHALIC ANHYDRIDE;MTHPA-600;tetrahydromethylphthalic anhydride;3-METHYL-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE;3-METHYL-4-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE;MTHPA-EG;AC-METHYL;3a-methyl-5;1,3-Isobenzofurandione, 3a,4
- CBNumber:
- CB6309880
- Molecular Formula:
- C9H10O3
- Molecular Weight:
- 166.17
- MDL Number:
- MFCD00014585
- MOL File:
- 11070-44-3.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-07-22 15:57:46
| Product description | Number | Pack Size | Price |
| Methylcyclohexene-1,2-dicarboxylic Anhydride (mixture of isomers) >80.0%(GC) | M0683 | 25g | $31 |
| Methylcyclohexene-1,2-dicarboxylic Anhydride (mixture of isomers) >80.0%(GC) | M0683 | 500g | $108 |
| 4-Methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione | FM133355 | 100g | $195 |
| 4-Methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione | FM133355 | 250g | $390 |
| Methyltetrahydrophthalic anhydride (MTHPA) Anhydridecontent40% | O806 | 5g | $16 |
| More product size | |||
| 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 |
| Flash point | 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
Risk and Safety Statements
| Symbol(GHS) |     GHS05,GHS07,GHS08,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H302+H312-H315-H318-H317-H334-H335-H336-H402-H411 | |||||||||
| Precautionary statements | P501-P261-P273-P272-P270-P271-P264-P280-P284-P391-P342+P311-P362+P364-P333+P313-P301+P312+P330-P302+P352+P312-P304+P340+P312-P305+P351+P338+P310-P403+P233-P405 | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 36/37/38-42/43-41 | |||||||||
| Safety Statements | 26-36/37/39-37/39-24-22 | |||||||||
| RIDADR | UN 3082 9/PG III | |||||||||
| RTECS | TI3325000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2917.20.0000 | |||||||||
| HazardClass | 9 | |||||||||
| PackingGroup | III | |||||||||
| REACH Registrations | Active | |||||||||
| NFPA 704 |
|
Tetrahydromethyl-1,3-isobenzofurandione price More Price(22)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | M0683 | Methylcyclohexene-1,2-dicarboxylic Anhydride (mixture of isomers) >80.0%(GC) | 11070-44-3 | 25g | $31 | 2026-04-30 | Buy |
| TCI Chemical | M0683 | Methylcyclohexene-1,2-dicarboxylic Anhydride (mixture of isomers) >80.0%(GC) | 11070-44-3 | 500g | $108 | 2026-04-30 | Buy |
| Biosynth | FM133355 | 4-Methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione | 11070-44-3 | 100g | $195 | 2026-06-04 | Buy |
| Biosynth | FM133355 | 4-Methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione | 11070-44-3 | 250g | $390 | 2026-06-04 | Buy |
| AK Scientific | O806 | Methyltetrahydrophthalic anhydride (MTHPA) Anhydridecontent40% | 11070-44-3 | 5g | $16 | 2026-06-04 | Buy |
Tetrahydromethyl-1,3-isobenzofurandione Chemical Properties,Uses,Production
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
Raw materials
Preparation Products
Global( 263)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Puyang Huicheng Electronic Materials Co., Ltd. | +86-0393-+86-0393-8910800 +86-15839383373 | info@huichengchem.com | China | 539 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +86-15350571055 | Sibel@chuanghaibio.com | China | 8738 | 58 |
| Wuhan Fortuna Chemical Co., Ltd | +86-27-59207850 | info@fortunachem.com | China | 5998 | 58 |
| Hebei Chuanghai Biotechnology Co,.LTD | +86-86-13131129325 | sales1@chuanghaibio.com | China | 5220 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20120 | 58 |
| Hebei Zhuanglai Chemical Trading Co Ltd | +86-16264648883 | niki@zlchemi.com | China | 7245 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 14026 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21585 | 55 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +86-18949832763 | info@tnjchem.com | China | 2988 | 55 |
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29812 | 58 |
Related articles
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- Studies of effects from exposure to acid anhydrides,such as methyltetrahydrophthalic anhydride, have mainly been concerned wit....
- Apr 4，2026
- Methyltetrahydrophthalic anhydride:determination and its effect
- Methyltetrahydrophthalic anhydride (MTHPA), an organic anhydride, is a sensitizing agent even at low air concentrations.
- Jan 23，2026
View Lastest Price from Tetrahydromethyl-1,3-isobenzofurandione manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-07-31 | Tetrahydromethyl-1,3-isobenzofurandione
11070-44-3
|
25KG | 98%min | 30tons/month | WUHAN FORTUNA CHEMICAL CO., LTD | ||
 |
2026-07-09 | Tetrahydromethyl-1,3-isobenzofurandione
11070-44-3
|
$1.20-34.00 | 1kg | 99% | Henan Fengda Chemical Co., Ltd | ||
 |
2026-05-28 | Methyltetrahydrophthalic Anhydride Mthpa
11070-44-3
|
$10.00 | 1kg | 98% | 10 ton | Hebei Chuanghai Biotechnology Co,.LTD |
-
- Tetrahydromethyl-1,3-isobenzofurandione
11070-44-3
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-
- Tetrahydromethyl-1,3-isobenzofurandione
11070-44-3
- $1.20-34.00
- 99%
- Henan Fengda Chemical Co., Ltd
-
- Methyltetrahydrophthalic Anhydride Mthpa
11070-44-3
- $10.00
- 98%
- Hebei Chuanghai Biotechnology Co,.LTD
11070-44-3(Tetrahydromethyl-1,3-isobenzofurandione)Related Search:
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
1,2,3,6-Tetrahydrophthalic anhydride
Methyl tetrahydrophthalic anhydride
Methyltetrahydrophthalic anhydride
1of4
3-METHYL-DELTA4-TETRAHYDROPHTHALIC 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
4-Methyl-3a,4,5,6-tetrahydroisobenzofuran-1,3-dione compound with 4-methyl-4,5,6,7-tetrahydroisobenzofuran-1,3-dione
4-Methyl-3a,4,5,6-tetrahydroisobenzofuran-1,3-dione compound with 4-methyl-4,5,6,7-tetrahydroisobenzofuran-1,3-dione(mixture of isomers)
1-METHYL-5-CYCLOHEXENE-2,3-DICARBOXYLIC ANHYDRIDE
MTHPA-600
MTHPA-EG
3-Isobenzofurandione,tetrahydromethyl-1
tetrahydromethyl-3-isobenzofurandione
1,3-Isobenzofurandione, tetrahydromethyl
TETRAHYDROMETHYL-1,3-ISOBENZOFURANEDIONE
METHYLCYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE (MIXTURE OF ISOMERS)
Tetrahydromethyl-1,3-isobenzofurandione
Methyltetrahydroisobenzofurandione
METHYL-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE
METHYLCYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE
3-Methylcyclohexene-1,2-dicarboxylic anhydride (Mixture of isoMers)
Methyltetrahydrophthalicanhyrid
Methylcyclohexene-1,2-dicarboxylicAnhydride(mixtureofisomers)>
3a-methyl-5
Methyltetrahydrophthalic anhydride (Mixture of isomers)
Methyltetrahydrophtalic anhydride
2,3,6 tetrahydro 3 methylphthalic anhydride
Methylcyclohexene-1,2-dicarboxylicanhydride,80%(isomers mixture)
3-METHYL-4-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE
MTHPA
4-METHYL TETRAHYDROPHTHALIC ANHYDRIDE
tetrahydromethylphthalic anhydride
11070-44-3
