| Warfarin |
| Washing soda se Natriumcarbonat |
| Wasserfreies ammoniak se Ammoniak |
| Wasserfrei Flusssäure se Hydrogenfluorid |
| Wasserstoffgas se Hydrogen, komprimeret |
| Wasserstoffgass, verdichtet se Hydrogen, komprimeret |
| Wasserstoff, komprimiert se Hydrogen, komprimeret |
| Wasserstoffperoxid se |
| | Hydrogenperoxid-opløsning, 8-20 % |
| | Hydrogenperoxid-opløsning, 20-60 % |
| | Hydrogenperoxid-opløsning, over 60 % |
| Wasserstoffsulfid se Hydrogensulfid |
| Wasserstoffsuperoxid se |
| | Hydrogenperoxid-opløsning, 8-20 % |
| | Hydrogenperoxid-opløsning, 20-60 % |
| | Hydrogenperoxid-opløsning, over 60 % |
| Wasserstoff, tiefkühlt flüssig se Hydrogen, kølet og flydende |
| Wasserstoff, verdichtet se Hydrogen, komprimeret |
| Water glass se |
| | Natriummetasilicat |
| | Natriumsilicat |
| Wedding bells se LSD |
| Weedazin se Amitrol |
| Weedazin arginit se Amitrol |
| Weibarsenik se Arsentrioxid |
| Weiber Phosphor feucht se Hvidt phosphor |
| Weingeist se Ethanol |
| White arsenic se Arsentrioxid |
| White phosphorus se Hvidt phosphor |
| White spirits se Mineralsk terpentin |
| White tar se Naphthalen |
| Wildnil® se Carfentanil |
| Wintergreen Oil se Methylsalicylat |
| Wintergrünöl se Methylsalicylat |
| Winterlost se Sennepsgas |
| Wolframhexafluorid |
| Wood alcohol se Methanol |
| Wood ether se Dimethylether |
| Wood naphta se Dimethylether |
| Wood turpentine se Vegetabilsk terpentin |
| WP se Hvidt phosphor |
