Code "W" Agent Name | CAS No. | |
| WALNUT, JUGLANS NIGRA | | |
| WALNUT, JUGLANS REGIA | | |
| WALNUT, OIL | 8024-09-7 | |
| WALNUTS | | |
| WALNUT SHELLS | | |
| WASTES, PETROLEUM | 68477-26-9 | |
| WATERCRESS, DRIED | | |
| WATERCRESS | | |
| WATERMELON | | |
| WATER SOFTENER | | |
| WATER SOLUBLE ANTIGENS EXTRACTED FROM DUST | | |
| WATER SOLUTION OF PROTEIN EXTRACTED FROM AMEBOCYTES OF THE HORSESHOE CRAB LIMULUS POLYPHEMUS | | |
| WATTLE BARK | | |
| WAX EMULSION | | |
| WAXES | | |
| WAXES AND WAXY SUBSTANCES, JOJOBA | 61789-91-1 | |
| WEIGERTS HEMATOXYLIN A STAIN | | |
| WEIGERTS HEMATOXYLIN B STAIN | | |
| WEIGERT'S IRON HEMATOXYLIN | | |
| WETTING AGENT | | |
| WHEAT, DUST | | |
| WHEAT, FLOUR | | |
| WHEAT GERM | | |
| WHEAT, GRAIN | | |
| WHEAT, MEAL | | |
| WHITE CEDAR OIL | 8007-20-3 | |
| WHITE MINERAL OIL (PETROLEUM) | 8042-47-5 | |
| WHITENING AGENT | | |
| WHITE PEPPER, POWDERED | | |
| WHITE PETROLATUM | | |
| WHITE VINEGAR | | |
| WHITE WAX, NF | | |
| WHOLE - BODY VIBRATION | | |
| WHOLE FRUITS, NEC | | |
| WHOLE PLANTS, NEC | | |
| WILD CHERRY BARK SOLID EXTRACT | | |
| WILD CHERRY BARK, THICK | | |
| WILD CHERRY BARK, THIN | | |
| WILD OAT | | |
| WILLOW POLLEN PROTEIN EXTRACTABLE | | |
| WINTERGREEN | | |
| WITCH HAZEL | | |
| WITCH HAZEL BARK | | |
| WITCH HAZEL LEAF | | |
| WOLLASTONITE | 13983-17-0 | |
| WOOD BETONY | | |
| WOOD FIBER | | |
| WOOD FIBER, GROUND | | |
| WOOD PULP | | |
| WOOD PULP, DUST | | |
| WOOD ROSIN | | |
| WOODRUFF | | |
| WOODS | | |
| WOOD, TREATED | | |
| WOOL DUST | | |
| WOOL, FIBER | | |
| WOOL GREASE | | |
| WOOL, NEC | | |
| WOOL, PROCESSED | | |
| WOOL PROTEIN EXTRACTABLE | | |
| WORMWOOD | | |
| WORMWOOD FLOWER HEADS, DRIED | | |
| WRIGHT'S BUFFER | | |
| WRIGHT'S STAIN, POWDER | 68988-92-1 | |
| W, TUNGSTEN - MF UNKNOWN | 7440-33-7 | |
| W, TUNGSTEN POWDER - MF UNKNOWN | 7440-33-7 | |
| W, TUNGSTEN - PURE | 7440-33-7 | |