Sodium Hydrosulfite, Reagent

Molecular Formula
Na2S2O4
Catalog Number
S1809
Supplier/Brand
Spectrum Chemical
CAS Number
7775-14-6

Sodium Hydrosulfite, Reagent is also referred to as sodium dithionite and is a white powder with a slight sulfurous odor. Like most salts it is soluble in water and is used in industry as a reducing agent. In Biology it is used to determine the iron content of soil and to lower the redox potential of physiology experiments. The Reagent grade denotes that this chemical is the highest quality commercially available and that the American Chemical Society has not officially set any specifications for this material. Spectrum Chemical manufactured Reagent grade products meet the toughest regulatory standards for quality and purity.

(CAS# 7775-14-6, Molecular Formula: Na2S2O4) Sodium Hydrosulfite, Reagent


Synonyms: Sodium Dithionite

Shipping Information

When shipping via FedEx Air the item will ship priority overnight. A higher hazmat fee will apply.

DOT: UN1384, Sodium dithionite, 4.2, PG II

Largest individual container shippable via:
UPS/FedEx Ground: Not accepted    UPS Air: Not accepted    FedEx Air: 1 kg
Tariff No. 2831105000

Storage Information

MOISTURE SENSITIVE: Keep tightly closed.

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2023