: Lye is generally prohibited from air travel. Orders must be shipped via ground services, which can lead to longer delivery times.
Most vendors catering to the hobbyist market focus on high-purity or "food-grade" lye to ensure consistency in chemical reactions.
: When dissolving lye, always add the lye to the liquid (water or milk), never the reverse. Adding liquid to a large amount of lye can cause a sudden, violent eruption of heat and corrosive liquid. buy lye online
: For larger quantities, industrial suppliers like Bulk Apothecary or The Lye Guy offer bulk pricing for high-purity sodium hydroxide.
: Lye must be stored in a cool, dry place in airtight containers made of HDPE plastic. It should never be stored in aluminum, as it reacts violently with that metal. It must be kept in a locked cabinet away from children and pets. : Lye is generally prohibited from air travel
As a Class 8 Corrosive material, lye is subject to strict Department of Transportation (DOT) regulations in the United States and similar oversight elsewhere.
: Safety goggles that provide a full seal around the eyes, chemical-resistant gloves (such as nitrile), and long-sleeved clothing are essential whenever the container is open. : When dissolving lye, always add the lye
: Platforms like Amazon and Walmart also host third-party sellers of pure lye, though buyers should verify the purity levels (typically 99%) to ensure it is suitable for their specific application. Shipping and Legal Regulations