high quality Sodium hypophosphite

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 Sodium Hypophosphite Monohydrate ( SHPP)

Basic Information:

1. Commodity: Sodium Hypophosphite Monohydrate  

2. CAS No.: 7681-53-0

3. Molecular Formula: NaH2PO2·H2O

4. Molecular Weight: 105.99

5. HS code:  2835100000

Property:

Sodium hypophosphite (NaH2PO2, also known as sodium phosphinate) is the sodium salt of hypophosphorous acid and is often encountered as the monohydrate, Na H2PO2 H2O. It is a solid at room temperature, appearing as odorless white crystals. It is soluble in water, and easily absorbs moisture from the air. Sodium hypophosphite should be kept in a cool, dry place, isolated from oxidizing materials. It decomposes when heated and produces toxic phosphine gas, causing irritation to the respiratory tract.

Specification:

PARAMETER	UNIT	STANDARD	RESULT
Sodium Hypophosphite	%	≥101.0	102.9
Sodium Phosphite	%	≤0.2	0.076
Iron	ppm	≤1	0.5
Calcium	ppm	≤30	10
PH( 5% solution )	--	6.0~8.0	6.9
Chloride	ppm	≤30	7
Sulphate	ppm	≤30	less than 30
mesh size (10~45)	%	more than 85	91
Arsenic	ppm	≤1	0.8
Lead	ppm	≤2	0.1
Cadmiun	ppm	≤2	0.1
Solubility	--	Clear,without impurities	Qualified

Application: 

1. Chemical IntermediateUsed as a raw material in the production of other products, including Hypophosphorous Acid. It may 

Be used in synthetic organic chemistry, especially in deamination via reduction of diazo derivatives.

2. Reducing AgentSHP may be used as a reducing agent or antioxidant in chemical processing.

3. Analytical ReagentSodium Hypophosphite can be as use as an analytical reagent.

4. Polymerization CatalystUsed as a catalyst in some polymerization reactions.

5. Polymer StabilizerSHP is used as a stabilizer to prevent degradation of polymers during extrusion or in other heated processing.