1-Naphthalenesulfonic acid

1-萘磺酸

Also known as: Naphthalene-1-sulfonic acid, α-Naphthalenesulfonic acid, 1-Naphthylsulfonic acid, Naphthalene-1-sulphonic acid, 1-Sulfonaphthalene

CAS No.
85-47-2
Jingsj CID
J-31614-5
Molecular Formula
C10H8O3S
Chinese Name
1-萘磺酸
Molecular Weight
208.234 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point77-79 °C(lit.)
Boiling Point392ºC
Density1.4±0.1 g/cm3
Flash Point380.2ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 1-Naphthalenesulfonic acid?

85-47-2

What are the molecular formula and molecular weight of 1-Naphthalenesulfonic acid?

C10H8O3S, molecular weight 208.234 g/mol

Is 1-Naphthalenesulfonic acid hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026