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1-Naphthalenesulfonic acid

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1-Naphthalenesulfonic acid Basic information

Product Name:
1-Naphthalenesulfonic acid
Synonyms:
  • 1-Naphthyl sulfonic acid
  • 1-[2-[[3-[2-cyano-4-[2-(cyclopropylmethoxy)ethoxy]phenoxy]-2-hydroxypropyl]amino]ethyl]-3-(4-hydroxyphenyl)urea
  • SULFONATED NAPHTHALENE
  • NAPHTHALENE-1-SULFONIC ACID
  • ALPHA NAPTHALENE SULPHONATE
  • ALPHA-NAPHTHALENESULFONIC ACID
  • 1-NAPHTHALENESULFONIC ACID
  • Naphthalene-1-Sulfonic Acid Dihydrate
CAS:
85-47-2
MF:
C10H8O3S
MW:
208.23
EINECS:
201-610-1
Product Categories:
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acids
  • Intermediates of Dyes and Pigments
  • Sulfur Compounds
  • bc0001
Mol File:
85-47-2.mol
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1-Naphthalenesulfonic acid Chemical Properties

Melting point:
77-79 °C (lit.)
Boiling point:
317.43°C (rough estimate)
Density 
1.3797 (rough estimate)
refractive index 
1.4998 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
alcohol: freely soluble
pka
0.17±0.10(Predicted)
form 
Solid
color 
White to Off-White
Water Solubility 
freely soluble
Merck 
14,6376
CAS DataBase Reference
85-47-2(CAS DataBase Reference)
NIST Chemistry Reference
1-Naphthalenesulfonic acid(85-47-2)
EPA Substance Registry System
1-Naphthalenesulfonic acid (85-47-2)
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Safety Information

Hazard Codes 
C,F
Risk Statements 
34-11-35
Safety Statements 
26-36/37/39-45-28A-16
RIDADR 
UN 2583 8/PG 2
WGK Germany 
1
HazardClass 
8
PackingGroup 
III
HS Code 
29041000

MSDS

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1-Naphthalenesulfonic acid Usage And Synthesis

Chemical Properties

grey fine crystalline powder

Uses

1-Naphthalenesulfonic acid was used as template molecule to prepare new non-covalent molecularly imprinted polymer for solid-phase extraction of naphthalene sulfonates.

Definition

ChEBI: Naphthalene-1-sulfonic acid is a naphthalenesulfonic acid.

General Description

Mechanism of metabolism of 1-naphthalenesulfonic acid by green algae Scenedesmus obliquus has been investigated.

Purification Methods

Crystallise the acid from conc HCl and twice from H2O. The S-benzylisothiuronium salt has m 137o (from aqueous EtOH). [Beilstein 11 H 155, 11 III 383, 11 IV 521.]

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