Raw Materials for Coolants

NO Function Products name Cas No Greener or Safer alternative
1 Antifreeze base fluid Monoethylene Glycol 107-21-1
2 Antifreeze base fluid Diethylene Glycol 111-46-6
3 Antifreeze base fluid Triethylene Glycol 112-27-6
4 Antifreeze base fluid Propylene Glycol 57-55-6
5 Antifreeze base fluid Glycerine 56-81-5 Yes
6 defoamer Polydimethylsiloxane 63148-62-9
7 PH regulators Sodium Bicarbonate 144-55-8
8 PH regulators Imidazole 288-32-4
9 PH regulators Disodium Phosphate 7558-79-4
10 PH regulators Trisodium phosphate 7601-54-9
11 Amine Inhibitor Sodium Tolyltriazole 64665-57-2
12 Amine Inhibitor Tolyltriazole 29385-43-1
13 Amine Inhibitor BenzoTriazole 95-14-7?
14 Amine Inhibitor Sodium 1,2,3-Benzotriazole 15217-42-2
15 Inhibitor Polyaspartic Acid 181828-06-8 Yes
16 Inhibitor Sodium Tripolyphosphate (STPP) 7758-29-4 Not recommend
17 Dyestuff Acid Red 52 3520-42-1
18 Dyestuff Acid Blue 9 3844-45-9
19 Dyestuff Acid Yellow 23 1934-21-0
20 Dyestuff Acid Green 25 4403-90-1