4-Chloroisatoic anhydride
Also known as: 7-chloro-1H-3,1-benzoxazine-2,4-dione, 7-chloro-1H-benzo[d][1,3]oxazine-2,4-dione, 7-chloro-2H-3,1-benzoxazine-2,4(1H)-dione, 7-chloroisatoic anhydride, 4-chloro-isatoic anhydride, 4-chloroisatonic anhydride, 2H-3,1-Benzoxazine-2,4(1H)-dione, 7-chloro-
4-Chloroisatoic anhydride (CAS 40928-13-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4ClNO3 and a molecular weight of 197.575 g/mol. Key properties include a melting point of 255-259ºC and a density of 1.5±0.1 g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40928-13-0
- Jingsj CID
- J-1031899-7
- Molecular Formula
- C8H4ClNO3
- Molecular Weight
- 197.575 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 255-259ºC |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Exact Mass | 196.987976 |
| PSA | 63.07000 |
| LogP | 1.93 |
| Refractive Index | 1.601 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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-Chloroisatoic anhydride?
The CAS number of 4-Chloroisatoic anhydride is 40928-13-0.
What are the molecular formula and molecular weight of 4-Chloroisatoic anhydride?
4-Chloroisatoic anhydride has molecular formula C8H4ClNO3 and molecular weight 197.575 g/mol.
Is 4-Chloroisatoic anhydride hazardous?
4-Chloroisatoic anhydride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Chloroisatoic anhydride?
For 4-Chloroisatoic anhydride, Upstream Products: 2-Amino-4-chlorobenzoic acid, sodium carbonate, Bis(trichloromethyl) carbonate; Downstream Products: 8-Chloro-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione.
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-Chloroisatoic anhydride (CAS 40928-13-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1031899-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.