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Pyrocatechol Violet Structure

Pyrocatechol Violet

Chemical Properties

Melting point 185 °C (dec.)(lit.)
Boiling point 659.5±55.0 °C(Predicted)
Density  1.632±0.06 g/cm3(Predicted)
storage temp.  -20°C Freezer, Under inert atmosphere
solubility  H2O: 1 mg/mL, clear, red
pka 7.21±0.10(Predicted)
form  Metallic or Crystalline Powder
color  Dark red-brown
PH Range 6.0(YELLOW)-7.0(PURPLE)-9.0(PURPLISH RED)
Water Solubility  Soluble in water, ethylene glycol, monomethyl ether and ethanol.
BRN  353938
Stability Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 115-41-3(CAS DataBase Reference)
EPA Substance Registry System 1,2-Benzenediol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis- (115-41-3)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P271-P280
Risk Statements  36/37/38
Safety Statements  24/25
WGK Germany  3
TSCA  Yes
HS Code  32041900
NFPA 704:
1
3 1

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