Hexahydrophthalic anhydride
Also known as: 1,2-Cyclohexanedicarboxylic anhydride, 1,2-Cyclohexanedicarboxylic acid anhydride, 1,3-Isobenzofurandione, hexahydro-, Hexahydro-1,3-isobenzofurandione, HHPA, Araldite HT 907, NT 907, Lekutherm Hardener H, cyclohexane-1,2-dicarboxylic anhydride
Hexahydrophthalic anhydride (CAS 85-42-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H10O3 and a molecular weight of 154.163 g/mol. Key properties include a melting point of 32-34 °C(lit.), a boiling point of 283.4±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 143.9±16.5 °C. It is classified under GHS with signal word Danger and hazard statements H317 — May cause an allergic skin reaction, H318 — Causes serious eye damage and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 85-42-7
- Jingsj CID
- J-26843-9
- Molecular Formula
- C8H10O3
- Molecular Weight
- 154.163 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 32-34 °C(lit.) |
|---|---|
| Boiling Point | 283.4±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 143.9±16.5 °C |
| Exact Mass | 154.062988 |
| PSA | 43.37000 |
| LogP | 0.24 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.502 |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
- H318 — Causes serious eye damage
- H334 — May cause allergy or asthma symptoms if inhaled
Customs & Trade Information
| 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% |
Frequently Asked Questions
What is the CAS number of Hexahydrophthalic anhydride?
The CAS number of Hexahydrophthalic anhydride is 85-42-7.
What are the molecular formula and molecular weight of Hexahydrophthalic anhydride?
Hexahydrophthalic anhydride has molecular formula C8H10O3 and molecular weight 154.163 g/mol.
Is Hexahydrophthalic anhydride hazardous?
Hexahydrophthalic anhydride has GHS signal word Danger and hazard statements H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage; H334 — May cause allergy or asthma symptoms if inhaled.
What are the upstream and downstream products of Hexahydrophthalic anhydride?
For Hexahydrophthalic anhydride, Upstream Products: Phthalic anhydride, 3,4,5,6-Tetrahydrophthalic anhydride, 1,2,3,6-Tetrahydrophthalic anhydride; Downstream Products: 3,4,5,6-Tetrahydrophthalic anhydride, cis-Hexahydrophthalimide, 1-(5,6,7,8-tetrahydronaphthalen-2-yl)ethanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Hexahydrophthalic anhydride (CAS 85-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26843-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.