... mobile air conditioning, refrigerator, non-toxicity, odourlessness, non-flammability, Refrigerant R134A has the characters of non-toxicity, odourlessness, non-flammability ... good heat and chemical stability, it can be used as refrigerant in mobile air conditioning, refrigerator...... AppearanceClear, ColorlessOdorEther (slight)Purity ... as HCI)≤0.00001%High boiling residue≤0.01% Refrigerant Gas R134a