4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride

Also known as: 4-amino-6-chlorobenzene-1,3-di(sulfonyl chloride), 4-amino-6-chlorobenzene-1,3-disulfonyl dichloride, 4-amino-6-chlorobenzene-1,3-di(sulphonyl chloride), 4-amino-6-chlorobenzene-1,3-disulfonyl chloride, 4-azanyl-6-chloro-benzene-1,3-disulfonyl chloride, 5-chloro-2,4-dichlorosulfonylaniline, Hydrochlorothiazide Impurity 10

4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride (CAS 671-89-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl3NO4S2 and a molecular weight of 324.58900 g/mol. Key properties include a boiling point of 474.2ºC at 760 mmHg, a density of 1.834 g/cm3 and a flash point of 240.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 671-89-6
Jingsj CID: J-1447777-1
Molecular Formula: C₆H₄Cl₃NO₄S₂
Molecular Weight: 324.58900 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	474.2ºC at 760 mmHg
Density	1.834 g/cm3
Flash Point	240.6ºC
Exact Mass	322.86500
PSA	111.06000
LogP	4.52000
Refractive Index	1.624

Customs & Trade Information

HS Code	2921499090
Summary	2921499090 other aromatic monoamines 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 4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride?

The CAS number of 4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride is 671-89-6.

What are the molecular formula and molecular weight of 4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride?

4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride has molecular formula C6H4Cl3NO4S2 and molecular weight 324.58900 g/mol.

What are the upstream and downstream products of 4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride?

For 4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride, Upstream Products: 3-Chloroaniline; Downstream Products: Hydrochlorothiazide, 4-Amino-6-chlorobenzene-1,3-disulfonamide.

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. "4-Amino-6-chloro-1,3-benzenedisulfonyl dichloride (CAS 671-89-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1447777-1 (accessed 2026-11-09).

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