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: |
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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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