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N,N'-Di-2-naphthyl-p-phenylenediamine Structure

N,N'-Di-2-naphthyl-p-phenylenediamine

Chemical Properties

Melting point 225-229°C
Boiling point 232-134°C (dec.)
Density  1.25
refractive index  1.7620 (estimate)
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  Chloroform (Slightly, Heated, Sonicated), DMSO (Slightly)
form  Solid
pka 3.10±0.30(Predicted)
color  Pale Grey to Light Grey
Water Solubility  <0.1 g/100 mL at 19 ºC
CAS DataBase Reference 93-46-9(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances N,N'-DI-BETA-NAPHTHYL-P-PHENYLENEDIAMINE
FDA 21 CFR 175.105; 177.1210; 177.2600
FDA UNII EWK9V6MZH6
NIST Chemistry Reference N,n'-di-beta-naphthyl-p-phenylenediamine(93-46-9)
EPA Substance Registry System N,N'-Di-2-naphthyl-p-phenylenediamine (93-46-9)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H317-H320
Precautionary statements P261-P264-P272-P280-P302+P352+P333+P313+P363-P305+P351+P338+P337+P313-P501
Risk Statements  20/21/22-36/37/38
Safety Statements  22-36/37/39
RTECS  ST2100000
HS Code  29215900
Toxicity LD50 oral in rat: 4500mg/kg
NFPA 704:
1
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