- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 3,4,5,6-Tetrahydrophthalic acid anhydride
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 3,4,5,6-Tetrahydrophthalic acid anhydride
- Price: ￥2448.0/500g ￥588.0/100g
- Purity: 98.0%
- Stocking Period: 2 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 3,4,5,6-Tetrahydrophthalic anhydride
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: 3,4,5,6-Tetrahydrophthalic anhydride
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
2426-02-0
2426-02-0 structure
- Name: 3,4,5,6-Tetrahydrophthalic acid anhydride
- Chemical Name: 4,5,6,7-tetrahydro-2-benzofuran-1,3-dione
- CAS Number: 2426-02-0
- Molecular Formula: C8H8O3
- Molecular Weight: 152.147
- Catalog: Chemical pesticide Insecticide intermediate
- Create Date: 2018-02-06 08:00:00
- Modify Date: 2025-08-20 15:10:11
| Name | 4,5,6,7-tetrahydro-2-benzofuran-1,3-dione |
|---|---|
| Synonyms |
4,5,6,7-Tetrahydroisobenzofuran-1,3-dione
MFCD00005917 1,3-Isobenzofurandione, 4,5,6,7-tetrahydro- T56 BVOV&TJ 3,4,5,6-Tetrahydrophthalic anhydride;; 1-Cyclohexenedicarboxylic anhydride; 3,4,5,6-THPA; TMMA Cyclohexene-1,2-dicarboxylic anhydride 4,5,6,7-Tetrahydro-2-benzofuran-1,3-dione EINECS 219-374-3 1,4,5,6,7-tetrahydro 1-Cyclohexene-1,2-dicarboxylic anhydride 3.4.5.6-tetrahydrophthalic anhydride 3,4,5,6-Tetrahydrophthalic acid anhydride 3,4,5,6-Tetrahydrophthalic anhydride 4,5,6,7-Tetrahydro-1,3-isobenzofurandione |
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Boiling Point | 302.3±11.0 °C at 760 mmHg |
| Melting Point | 69-73 °C(lit.) |
| Molecular Formula | C8H8O3 |
| Molecular Weight | 152.147 |
| Flash Point | 146.1±16.5 °C |
| Exact Mass | 152.047348 |
| PSA | 43.37000 |
| LogP | 1.25 |
| Vapour Pressure | 0.0±0.6 mmHg at 25°C |
| Index of Refraction | 1.534 |
| Storage condition | 2-8°C |
| Water Solubility | REACTS |
| Symbol |
GHS05, GHS08 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H317-H318-H334-H412 |
| Precautionary Statements | P261-P273-P280-P305 + P351 + P338-P342 + P311 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
| Hazard Codes | Xn:Harmful; |
| Risk Phrases | R41;R42/43;R52/53 |
| Safety Phrases | S26-S36-S61-S37/39-S24-S22 |
| RIDADR | 2698 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 8 |
| HS Code | 2932999099 |
| Precursor 10 | |
|---|---|
| DownStream 10 | |
![3-[4-chloro-5-(difluoromethoxy)-2-fluorophenyl]imino-4,5,6,7-tetrahydro-2-benzofuran-1-one structure](https://image.chemsrc.com/caspic/118/122855-05-4.png)
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |