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4-(2-Pyridylazo)resorcinol monosodium salt hydrate (16593-81-0)

Identification
Name:4-(2-Pyridylazo)resorcinol monosodium salt hydrate
Synonyms:3-hydroxy-4-(pyridin-2-ylhydrazinylidene)cyclohexa-2,5-dien-1-one;PAR INDICATOR GR;PAR [ Mono Sod ] Indicator;
CAS:16593-81-0
EINECS: 236-339-8
Molecular Formula: C11H8N3NaO2.H2O
Molecular Weight: 255.20
InChI: InChI=1/C11H9N3O2.Na.H2O/c15-8-4-5-9(10(16)7-8)13-14-11-3-1-2-6-12-11;;/h1-7,15-16H;;1H2/q;+1;
Molecular Structure: (C11H8N3NaO2.H2O) 3-hydroxy-4-(pyridin-2-ylhydrazinylidene)cyclohexa-2,5-dien-1-one;PAR INDICATOR GR;PAR [ Mono Sod ] ...
Properties
Melting Point: 253 ºC ( 487ºF)
Stability:Stable. Incompatible with strong oxidizing agents, strong bases, strong acids, acid chlorides, acid anhydrides.
Appearance:deep brown powder
Safety Data
Hazard Symbols Xi: Irritant
 

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