8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one

Also known as: 5H-1-Benzazepin-5-one, 8-chloro-1,2,3,4-tetrahydro-, 8-CHLORO-1,2,3,4-TETRAHYDRO-BENZO[B]AZEPIN-5-ONE, 8-Chloro-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one, 8-chloro-1,2,3,4-tetrahydro-1-benzazepin-5-one, 8-chloro-1,2,3,4-tetrahydro-5H-1-Benzazepin-5-one, Tolvaptan Impurity 49, Tovaptan impurity 15

8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one (CAS 116815-03-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H10ClNO and a molecular weight of 195.64500 g/mol. Key properties include a boiling point of 352.6ºC at 760mmHg, a density of 1.234g/cm3 and a flash point of 167.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 116815-03-3
Jingsj CID: J-1386245-8
Molecular Formula: C₁₀H₁₀ClNO
Molecular Weight: 195.64500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	352.6ºC at 760mmHg
Density	1.234g/cm3
Flash Point	167.1ºC
Exact Mass	195.04500
PSA	29.10000
LogP	2.86640
Vapor Pressure	0mmHg at 25°C
Refractive Index	1.562

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. 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 8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one?

The CAS number of 8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one is 116815-03-3.

What are the molecular formula and molecular weight of 8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one?

8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one has molecular formula C10H10ClNO and molecular weight 195.64500 g/mol.

What are the upstream and downstream products of 8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one?

For 8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one, Upstream Products: 8-Chloro-1,2,3,4-tetrahydro-1-[(4-methylphenyl)sulfonyl]-5H-1-benzazepin-5-one, Methyl 2-amino-4-chlorobenzoate, 4-Chloro-2-nitrobenzoic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "8-Chloro-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one (CAS 116815-03-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1386245-8 (accessed 2026-11-09).

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