Check the listing for details. Sodium Thiosulfate [Na2S2O3] 99% ACS Grade Powder 4 Oz in a Bottle USA. Condition: New. Listed at 7.99 USD. SODIUM THIOSULFATE. Weight: 4 Ounces (113 Grams) Purity: Ultra-Pure 99+% Grade: Reagent Grade Texture: Fine Powder CAS Number: 7772-98-7 You are buying 4 Ounces (by weight) of Sodium Thiosulfate (Pentahydrate) . The item ships in a 4 Fluid Ounce (by volume) Polypropylene bottle. Sodium Thiosulfate (Na2S2O3 . 5H2O); also known as Sodium Hyposulfite / Hyposulphite / Soda of Hypo; has hundreds of uses. For more information, go to: 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.SODIUM THIOSULFATE. Weight: 4 Ounces (113 Grams) Purity: Ultra-Pure 99+% Grade: Reagent Grade Texture: Fine Powder CAS Number: 7772-98-7 You are buying 4 Ounces (by weight) of Sodium Thiosulfate (Pentahydrate) . The item ships in a 4 Fluid Ounce (by volume) Polypropylene bottle. Sodium Thiosulfate (Na2S2O3 . 5H2O); also known as Sodium Hyposulfite / Hyposulphite / Soda of Hypo; has hundreds of uses. For more information, go to: 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.