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1-Naphthalenesulfonic acid

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1-Naphthalenesulfonic acid Basic information

Product Name:
1-Naphthalenesulfonic acid
CAS:
85-47-2
MF:
C10H8O3S
MW:
208.23
EINECS:
201-610-1
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. 
Store below +30°C.
solubility 
alcohol: freely soluble
pka
0.17±0.10(Predicted)
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

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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Sigma-Aldrich Gold
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021-61415566
Email:
orderCN@merckgroup.com;orderCN@merckgroup.com
J & K SCIENTIFIC LTD.
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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BeiJing Hwrk Chemicals Limted
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peter.shi@hwrkchemical.com;
Energy Chemical
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021-58432009
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sales8178@energy-chemical.com
Basic information Safety Related Supplier