“Methane (CH4)” has been added to your cart. View cart $304.00 60 Liter Phosphine (PH3) quantity Add to cart SKU: G60L-PH3-0.5P-I Category: Gas Cylinders Description Description PH3, 0.5 ppm in N2 Related products Hydrogen (H2) $95.00 Add to cart Carbon Monoxide (CO) $109.25 Add to cart Chlorine (Cl2) $323.00 Add to cart Methane (CH4) $128.73 Add to cart