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3682-32-4

Name 2-NITROSO-1-NAPHTHOL-4-SULFONIC ACID
CAS 3682-32-4
EINECS(EC#) 222-964-3
Molecular Formula C10H7NO5S
MDL Number MFCD00003933
Molecular Weight 253.23
MOL File 3682-32-4.mol
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Chemical Properties

Melting point  140-145 °C (dec.)
density  1.65±0.1 g/cm3(Predicted)
form  powder to crystal
pka 0.11±0.40(Predicted)
color  Orange to Brown
CAS DataBase Reference 3682-32-4(CAS DataBase Reference)
EPA Substance Registry System 1-Naphthalenesulfonic acid, 4-hydroxy-3-nitroso- (3682-32-4)

Safety Data

Hazard Codes  Xn
Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R33:Danger of cumulative effects.
Safety Statements 
S36/37:Wear suitable protective clothing and gloves .
WGK Germany  3
HS Code  2908.99.9000

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