Table 3: Solubility of triclosan in selected solvents and chemicals
| Solvent |
Solubility at 25°C
(g Triclosan/100 g solvent) |
| Distilled water (20°C) |
0.001 |
| Distilled water (50°C) |
0.004 |
| 1 N caustic soda |
31.7 |
| 1 N sodium carbonate |
0.40 |
| 1 N ammonium hydroxide |
0.30 |
| Triethanolamine |
>100 |
| Acetone |
>100 |
| Ethanol 70% or 95% |
>100 |
| Isopropanol |
>100 |
| Propylene glycol |
>100 |
| Polyethylene glycol |
>100 |
| Methyl cellosolve (Union Carbide Corp.) |
>100 |
| Ethyl cellosolve (Union Carbide Corp.) |
>100 |
| Dipropylene glycol |
~40 |
| Glycerine |
0.15 |
| n-Hexane |
8.5 |
| Petroleum jelly (white, USP) |
~0.5 |
| Tween 20 (ICI America Inc.) |
>100 |
| Tween 80 (ICI America Inc.) |
>100 |
| Triton X-100 (Rohm & Haas) |
>100 |
| Olive oil |
~60 |
| Castor oil |
~90 |
Source: SCCS, 
Opinion on triclosan (antimicrobial resistance) (2010)
, p.10-12
