Erlotinib intermediates manufacturer
Appearance: White to off white crystalline powder
Molecular Weight: 137.14
Density: 1.374
Boiling Point: 339.9 °C at 760 mmHg
Melting Point: 186-189℃
Flash Point: 159.4 °C
Storage Temperature: 2-8°C
Refractive index: 1.5795
Solubility: H2O:4.7 g/L (20 oC)
Stability: Stable. Incompatible with strong oxidizing agents. Combustible. Sensitive to light and air. May discolour on exposure to light.
Usage: Widely distributed in nature as a B complex factor. Baker’s yeast contains 5 to 6 ppm, brewer’s yeast from 10 to 100 ppm. Occurs free and in ester form.
