Sodium hypophosphite is the sodium salt of hypophosphorous acid, commonly encountered as the monohydrate. It appears as odorless white crystals that are soluble in water and hygroscopic.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Potassium hypophosphite
reducing agent in chemical synthesis
Calcium hypophosphite
corrosion inhibitor and antioxidant
Sodium hypophosphite monohydrate
Reagent and hypophosphite manufacturing
Cuprous iodide
Industrial catalyst and additive
2,4,6-trimethylstyrene
Monomer for polymer synthesis and coatings
1,1,3,3-tetramethyl-1,3-divinyldisilazane
silicon compound for chemical synthesis
Potassium hydride
strong base in organic synthesis
Aluminum hypophosphite
flame retardant for TPU
The international HS code for SODIUM HYPOPHOSPHITE (CAS 7681-53-0) is 2835.10.
2835.10
2835 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
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[O-]P=O.[Na+]
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