Sodium Thiosulfate Pentahydrate, also known as Disodium Sulfurothioate Pentahydrate, and
Sodium Hyposulfite Pentahydrate is a hydrate of Sodium Thiosulfate with 5 mol eq. of Water.
having the chemical formula H10Na2O8S2 or Na2S2O3-5H2O. Its solution appears as a colorless
clear liquid and is sparingly soluble in Water at ambient conditions. Sodium Thiosulfate, 0.20N
Solution, Lab Grade is composed of ~10 g of pure Sodium Thiosulfate Pentahydrate solid
dissolved in its aqueous solution. It possesses similar normality and molarity. Chemically and pure
or Laboratory reagents are the two terms often used to describe Lab Grade chemicals. Lab Grade
chemicals do not meet any accepted quality or purity requirements such as the ACS Grade, the
USP Grade, and the FCC Grade, despite their acceptable purity. In the United States of America
(USA), Lab Alley is selling its high-quality Sodium Thiosulfate, 0.20N Solution, Lab Grade online
at laballey.com. Due to its high purity, this Lab Alley product is highly recommended for labs and
commercial applications.
Reagent
Chemical precursor
Volumetric analysis
Titrant in iodometry
Measurement of chlorine in water/bleaching powder
Competitive pricing and well-stocked US-based inventory.
Fast 1-2 business days shipping, including hazmat transport.
Exceptional customer service and chemical technical support.
Delivery on budget, on time, every time.
Product Information
More Information
CAS
0102-17-7
Molecular formula
Na2S2O3-5H2O
Molecular weight
248.19
Autoship Available
No
Reviews
Safety and Shipping
Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Sodium Thiosulfate, 0.2N Solution.
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This chemical will only be shipped to addresses that are:
Businesses
Schools and Universities
Laboratories
If you use a residential address during checkout, we will automatically remove this item from your order prior to shipping.
If your order includes more than 1 lb of mercury, it must be shipped to a commercial address, lab, or school.
Please note that we’re unable to ship mercury—of any amount—to apartments or shipping/parcel stores.
Ineligible orders will be automatically canceled.
If you are purchasing SDA in 5 gallons or more, you are required to provide a TTB permit showing how much of the product you are allowed to purchase per year. Please email your TTB permit to customercare@laballey and include your Order Number.
