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1-Phenylisatin

Also known as: 1-Phenyl-1H-indole-2,3-dione, 1-Phenylindoline-2,3-dione, 1-Phenyl-2,3-indolinedione, N-Phenylisatin, 1H-Indole-2,3-dione, 1-phenyl-, N-phenylindoline-2,3-dione, 1-Phenylindole-2,3-dione

1-Phenylisatin (CAS 723-89-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H9NO2 and a molecular weight of 223.22700 g/mol. Key properties include a melting point of 138-140 °C(lit.), a boiling point of 388.8ºC at 760 mmHg, a density of 1.338g/cm3 and a flash point of 182.6ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
723-89-7
Jingsj CID
J-922006-8
Molecular Formula
C14H9NO2
Molecular Weight
223.22700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point138-140 °C(lit.)
Boiling Point388.8ºC at 760 mmHg
Density1.338g/cm3
Flash Point182.6ºC
Exact Mass223.06300
PSA37.38000
LogP2.61260
Refractive Index1.667

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen 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 1-Phenylisatin?

The CAS number of 1-Phenylisatin is 723-89-7.

What are the molecular formula and molecular weight of 1-Phenylisatin?

1-Phenylisatin has molecular formula C14H9NO2 and molecular weight 223.22700 g/mol.

Is 1-Phenylisatin hazardous?

1-Phenylisatin has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 1-Phenylisatin?

For 1-Phenylisatin, Upstream Products: isatin, Phenylboronic acid, 1-(2-(Phenylamino)phenyl)ethanone; Downstream Products: Linopirdine, 9-Acridinecarboxylic acid, Acridone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-Phenylisatin (CAS 723-89-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-922006-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.