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N-Chlorosuccinimide

Also known as: 1-Chloro-2,5-pyrrolidinedione, 1-chloropyrrolidine-2,5-dione, 2,5-Pyrrolidinedione, 1-chloro-, Chlorosuccinimide, Succinchlorimide, Succinic N-chloroimide, Succinochlorimide, N-chlorobutanimide, Pyrrolidinedione, 1-chloro-, Succinimide, N-chloro-

N-Chlorosuccinimide (CAS 128-09-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H4ClNO2 and a molecular weight of 133.533 g/mol. Key properties include a melting point of 148-150 °C(lit.), a boiling point of 200.5±23.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 75.1±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
128-09-6
Jingsj CID
J-1135129-2
Molecular Formula
C4H4ClNO2
Molecular Weight
133.533 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point148-150 °C(lit.)
Boiling Point200.5±23.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point75.1±22.6 °C
Exact Mass132.993057
PSA37.38000
LogP-0.87
Vapor Pressure0.3±0.4 mmHg at 25°C
Refractive Index1.532

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2925190090
Summary2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of N-Chlorosuccinimide?

The CAS number of N-Chlorosuccinimide is 128-09-6.

What are the molecular formula and molecular weight of N-Chlorosuccinimide?

N-Chlorosuccinimide has molecular formula C4H4ClNO2 and molecular weight 133.533 g/mol.

Is N-Chlorosuccinimide hazardous?

N-Chlorosuccinimide has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of N-Chlorosuccinimide?

For N-Chlorosuccinimide, Upstream Products: Succinimide, 1-Bromo-2-butyne, tert-Butyl hypochlorite; Downstream Products: 6-Chlorooxazolo[4,5-b]pyridin-2(3H)-one, 5-bromo-3-chloropyridin-2-amine, Dibenzylphosphoryl chloride.

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

Last updated:

How to cite: Jingsj. "N-Chlorosuccinimide (CAS 128-09-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1135129-2 (accessed 2026-11-06).

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