4-Nitrophthalic anhydride
Also known as: 5-nitro-1,3-isobenzofurandione, 5-nitro-2-benzofuran-1,3-dione, 1,3-Isobenzofurandione, 5-nitro-, 4-nitrophthalic acid anhydride, p-nitrophthalic anhydride
4-Nitrophthalic anhydride (CAS 5466-84-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H3NO5 and a molecular weight of 193.113 g/mol. Key properties include a melting point of 116-120 °C(lit.), a boiling point of 396.5±25.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 217.8±25.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5466-84-2
- Jingsj CID
- J-12383-1
- Molecular Formula
- C8H3NO5
- Molecular Weight
- 193.113 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 116-120 °C(lit.) |
|---|---|
| Boiling Point | 396.5±25.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 217.8±25.2 °C |
| Exact Mass | 193.001129 |
| PSA | 89.19000 |
| LogP | 1.33 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.660 |
| Additional Property | Hydrolysis |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 4-Nitrophthalic anhydride?
The CAS number of 4-Nitrophthalic anhydride is 5466-84-2.
What are the molecular formula and molecular weight of 4-Nitrophthalic anhydride?
4-Nitrophthalic anhydride has molecular formula C8H3NO5 and molecular weight 193.113 g/mol.
Is 4-Nitrophthalic anhydride hazardous?
4-Nitrophthalic anhydride has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-Nitrophthalic anhydride?
For 4-Nitrophthalic anhydride, Upstream Products: 4-Nitrophthalic acid, Phthalic acid, 1,2-dimethyl-4-nitrobenzene; Downstream Products: 4-Fluorophthalic anhydride, 6-Aminophthalide, 6-Nitrofluorescein.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Nitrophthalic anhydride (CAS 5466-84-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12383-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.