Check the listing for details. Sodium Sulfate [Na2SO4] 99+% ACS Grade Powder 1 Lb in a Space-Saver Bottle USA. Condition: New. Listed at 29.99 USD. SODIUM SULFATE ANHYDROUS. Weight: 16 Ounces (1 Pound) Purity: 99+% Pure Grade: Reagent/Food Grade Texture: Fine Powder CAS Number: 7757-82-6 You are buying 16 Ounces (by weight) of Sodium Sulfate Anhydrous. The item ships in an 8 Fluid Ounce (by volume) Polypropylene bottle. Sodium Sulfate Anhydrous (Na2SO4); also known as Thenardite / Sodium Sulphate / Glauber’s Salt / Sal Mirabilis / has hundreds of uses. SHIPS FAST FROM CALIFORNIA, USA! 2-4 day transit time throughout the country. We ship three times a day; so your item is guaranteed to go out the very same day you place your order. Our bottles are made of sturdy polypropylene. The square, “space-saver” shape ensures that the bottles fit snugly on a shelf. The wide mouth makes for easy dispensing and stackability. To ensure a spill-free journey, we shrink-wrap the screw tops and seal the bottles in plastic.