Product: R404A Standart: Q/ZYH 005-2013 appearance Colorless liquefied gas – Smell easy ethereal – Purity % (≥) 99.00 99.96 Moisture % (≤) 0.003 0.0009 Acidity (as HCL) % 0.0001 <0.0001 Waste steam % (≤) 0.01 <0.01 Boiling point -46.1C/-45.4C