Cas number 7681-53-0
Molecular formula NaH2PO2
Molecular weight 87.98
Sodium hypophosphite
White powder or colorless crystal, deliquescent and odorless. Salty. Weathered in dry air, slightly hygroscopic in humid air. Phosphine precipitates and ignites spontaneously under strong heat. Soluble in 1 part cold water, 0.15 part boiling water, soluble in boiling ethanol and glycerin, soluble in cold ethanol, slightly soluble in absolute ethanol, insoluble in ether The aqueous solution was neutral. There is a strong reduction. Grinding with chlorate or oxidant can cause an explosion. Q / (HG) SJ 711-1996
Item Item Analysis and Purification
(AR) (CP)
Content (NaH2PO4 · H2O) Assay,% ≥99.098.0
Insiluble matter in water,% ≤0.010.02
Chloride (Cl),% ≤0.010.01
Sulfate (SO4),% ≤0.010.01
Calcium,% ≤0.050.05
Iron (Fe) Iron,% ≤0.001 0.002
Arsenic (As),% ≤0.00050.0005
Heavy metals (as Pb) Heavy metals,% ≤0.00050.0015
Keep sealed.
Product use Arsenic and iodate reagents. reducing agent. Clinical examination. Used for electroless nickel plating, and used in the pharmaceutical industry.
Shijiazhuang Helper Soaring Stainless Steel Products Co., Ltd. is one of the subsidiaries of Helper Group. It is a professional manufacturer of all types of precision casting and machining components for pump, valve, hydraulic system, agricultural machinery, automobile industry and various OEM parts. The main materials are carbon steel, stainless steel and other alloy steel etc. Advanced process technology (Silicon sol process) and investment casting producing line and professional technical team are the advantages that will help clients to save cost and create value.
Galvanized Precision Casting Parts,Precision Casting Flange Parts,Precision Casting Valve,Stainless Steel Products Manufacturing
Helper Machinery Group Co., Ltd. , https://www.ihelpergroup.com