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Sodium 4-chloro-3-nitrobenzenesulfonate

Also known as: 4-Chloro-3-nitrobenzenesulfonic acid sodium salt, Sodium 3-nitro-4-chlorobenzenesulfonate, 4-Chloro-3-nitrobenzenesulphonic acid sodium salt, Sodium 4-chloro-3-nitrobenzenesulphonate, Sodium 1-chloro-2-nitrobenzene-4-sulfonate, Benzenesulfonic acid, 4-chloro-3-nitro-, sodium salt, MFCD00007496, EINECS 241-680-0, 4-Chlor-3-nitro-benzolsulfonsaeure, Natrium-Salz

Sodium 4-chloro-3-nitrobenzenesulfonate (CAS 17691-19-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H3ClNNaO5S and a molecular weight of 259.59900 g/mol. Key property: a melting point of 204-208 °C(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17691-19-9
Jingsj CID
J-34608-7
Molecular Formula
C6H3ClNNaO5S
Molecular Weight
259.59900 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point204-208 °C(lit.)
Exact Mass258.93200
PSA111.40000
LogP2.75630

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2904909090
SummaryHS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Sodium 4-chloro-3-nitrobenzenesulfonate?

The CAS number of Sodium 4-chloro-3-nitrobenzenesulfonate is 17691-19-9.

What are the molecular formula and molecular weight of Sodium 4-chloro-3-nitrobenzenesulfonate?

Sodium 4-chloro-3-nitrobenzenesulfonate has molecular formula C6H3ClNNaO5S and molecular weight 259.59900 g/mol.

Is Sodium 4-chloro-3-nitrobenzenesulfonate hazardous?

Sodium 4-chloro-3-nitrobenzenesulfonate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Sodium 4-chloro-3-nitrobenzenesulfonate?

For Sodium 4-chloro-3-nitrobenzenesulfonate, Downstream Products: 2-Amino-1,4-benzenedisulfonic acid, 4-Chloro-3-nitrobenzenesulfonyl 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. "Sodium 4-chloro-3-nitrobenzenesulfonate (CAS 17691-19-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34608-7 (accessed 2026-11-09).

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