4-Nitro-1,8-naphthalic anhydride
Also known as: 6-nitro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione, 1H,3H-Naphtho[1,8-cd]pyran-1,3-dione, 6-nitro-, 4-Nitro-1,8-naphthalenedicarboxylic anhydride, 4-Nitronaphthalene-1,8-dicarboxylic anhydride, 4-Nitronaphthalic anhydride, NSC 15356
4-Nitro-1,8-naphthalic anhydride (CAS 6642-29-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H5NO5 and a molecular weight of 243.172 g/mol. Key properties include a melting point of 226-229ºC(lit.), a boiling point of 509.9±33.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 262.6±27.4 °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.
- 6642-29-1
- Jingsj CID
- J-1072403-5
- Molecular Formula
- C12H5NO5
- Molecular Weight
- 243.172 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 226-229ºC(lit.) |
|---|---|
| Boiling Point | 509.9±33.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 262.6±27.4 °C |
| Exact Mass | 243.016769 |
| PSA | 89.19000 |
| LogP | 1.48 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.743 |
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-Nitro-1,8-naphthalic anhydride?
The CAS number of 4-Nitro-1,8-naphthalic anhydride is 6642-29-1.
What are the molecular formula and molecular weight of 4-Nitro-1,8-naphthalic anhydride?
4-Nitro-1,8-naphthalic anhydride has molecular formula C12H5NO5 and molecular weight 243.172 g/mol.
Is 4-Nitro-1,8-naphthalic anhydride hazardous?
4-Nitro-1,8-naphthalic 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-Nitro-1,8-naphthalic anhydride?
For 4-Nitro-1,8-naphthalic anhydride, Upstream Products: 5-Nitroacenaphthene, Acenaphthene, Acenaphthylene; Downstream Products: 5-Amino-1-naphthoic acid, 4-Amino-1,8-naphthalimide, 4-Amino-1,8-naphthalic anhydride.
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-Nitro-1,8-naphthalic anhydride (CAS 6642-29-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1072403-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.