Check the listing for details. Sodium Sulfite, 4oz, Food Grade 99.9% Pure, Sturdy Bottle SHIPS SAME DAY. Condition: New. Listed at 7.95 USD. 15.00 Sodium Sulfite Na2SO3 Weight 4 Ounce Volume 4 Fluid Ounce Chemical Formula Na2SO3 Purity Ultra-Pure 99.9% Grade Reagent/Food Grade Consistency Fine Powder CAS Number 7757-83-7 You are purchasing 4 Ounces (by weight) of Sodium Sulfite. The item ships in a 4 Fluid Ounce Polypropylene bottle. Sodium Sulfite; also known as Disodium Sulfite / Sulfurous Acid / Disodium Salt / Sulftech; has hundreds of uses. For more information, go to: http://en.wikipedia.org/wiki/Sodium_sulfite FREE EXPEDITED SHIPPING We ship THREE TIMES A DAY, 7-Days a week. Your item is guaranteed to be in the mail the SAME DAY you place your order. Transit time from California is 2-4 days throughout the USA. Our bottles are made of sturdy polypropylene. We shrink-wrap the screw tops and seal the bottles in plastic to ensure a spill-free journey.