Appearance: Colorless to reddish crystals or powder. Turns brown on exposure to air/light.
mp: 48 – 50°C
Clarity of Solution (in dilute HCl): Passes test (clear).
2-Naphthylamine: ≤ 0.5 % (must be very low, <1 ppm for safety).
Residue on Ignition: ≤ 0.05 %
Hazard Information
Hazard: Toxic if swallowed, in contact with skin or if inhaled. Causes skin irritation. May cause cancer (contains trace of 2-naphthylamine). May cause an allergic skin reaction.
Safety: Use only in a fume hood. Wear protective gloves/protective clothing/eye protection/face protection. Use respiratory protection.
Storage: Store in a cool, dry, well-ventilated place in a tightly closed, light-resistant container under an inert atmosphere.
