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Naphthalene-2-sulfonamide

Also known as: 2-Naphthalenesulfonamide, beta-Naphthalenesulfonamide, beta-Naphthylsulfonamide, Naphthalene-2-sulfonic acid amide, Naphthalene-2-sulphonamide, NSC 31057

Naphthalene-2-sulfonamide (CAS 1576-47-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2S and a molecular weight of 207.249 g/mol. Key properties include a melting point of 215-219ºC(lit.), a boiling point of 423.8±28.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 210.1±24.0 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1576-47-2
Jingsj CID
J-22675-5
Molecular Formula
C10H9NO2S
Molecular Weight
207.249 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point215-219ºC(lit.)
Boiling Point423.8±28.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point210.1±24.0 °C
Exact Mass207.035400
PSA68.54000
LogP1.56
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.667

GHS Safety & Compliance

IrritantSignal word: Warning
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2935009090
Summary2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of Naphthalene-2-sulfonamide?

The CAS number of Naphthalene-2-sulfonamide is 1576-47-2.

What are the molecular formula and molecular weight of Naphthalene-2-sulfonamide?

Naphthalene-2-sulfonamide has molecular formula C10H9NO2S and molecular weight 207.249 g/mol.

Is Naphthalene-2-sulfonamide hazardous?

Naphthalene-2-sulfonamide has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.

What are the upstream and downstream products of Naphthalene-2-sulfonamide?

For Naphthalene-2-sulfonamide, Upstream Products: 2-Naphthalenesulfonyl chloride, Naphthalene-2-sulfonic acid; Downstream Products: 3-[(2-Naphthylsulfonyl)amino]propanoic acid, 4-Sulfophthalic acid, Phthalic acid.

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

Last updated:

How to cite: Jingsj. "Naphthalene-2-sulfonamide (CAS 1576-47-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22675-5 (accessed 2026-11-09).

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