Tetrahydrophthalimide
Also known as: 1,2,3,6-Tetrahydrophthalimide, 4-Cyclohexene-1,2-dicarboximide, THPI, cis-4-Cyclohexene-1,2-dicarboximide, 3a,4,7,7a-Tetrahydro-1H-isoindole-1,3(2H)-dione, 1H-Isoindole-1,3(2H)-dione, 3a,4,7,7a-tetrahydro-, delta(4)-tetrahydrophthalimide
Tetrahydrophthalimide (CAS 85-40-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H9NO2 and a molecular weight of 151.163 g/mol. Key properties include a melting point of 132-140°C, a boiling point of 336.8±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 165.0±28.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 85-40-5
- Jingsj CID
- J-32633-0
- Molecular Formula
- C8H9NO2
- Molecular Weight
- 151.163 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 132-140°C |
|---|---|
| Boiling Point | 336.8±42.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 165.0±28.0 °C |
| Exact Mass | 151.063324 |
| PSA | 46.17000 |
| LogP | 0.22 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.533 |
Customs & Trade Information
| HS Code | 2925190090 |
|---|---|
| Summary | 2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tetrahydrophthalimide?
The CAS number of Tetrahydrophthalimide is 85-40-5.
What are the molecular formula and molecular weight of Tetrahydrophthalimide?
Tetrahydrophthalimide has molecular formula C8H9NO2 and molecular weight 151.163 g/mol.
What are the upstream and downstream products of Tetrahydrophthalimide?
For Tetrahydrophthalimide, Upstream Products: 1,2,3,6-Tetrahydrophthalic anhydride; Downstream Products: 2,3,3a,4,7,7a-Hexahydro-1H-isoindole, tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate, tert-butyl 5-hydroxyhexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrahydrophthalimide (CAS 85-40-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32633-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.