Sodium hypophosphite monohydrate CAS# 10039-56-2

Sodium hypophosphite monohydrate , Promotion Season Now in Store and Free Sample for Testing with Factory Price
  • Appearance: White crystal
  • Assay: 99. 0%min
  • Packaging: 25kg/kraft paper bag
  • Sample: Available

Quality Control of Sodium hypophosphite monohydrate

Chemical Structure
Sodium-hypophosphite-monohydrate-CAS-10039-56-2
Packing of Sodium hypophosphite monohydrate

Description of Sodium hypophosphite monohydrate

Sodium hypophosphite (NaPO2H2, also known as sodium phosphinate) is the sodium salt of hypophosphorous acid and is often encountered as the monohydrate, NaPO2H2·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.
2 NaH2PO2 → Na2HPO4 + PH3

Basic Info of Sodium hypophosphite monohydrate

Basic Info

Chemical Name

Sodium hypophosphite monohydrate

Synonyms

Sodiumhypophosphitemonohydrate;Fosfornan sodny [Czech];Sodium Hypophosphite Monohydrate;

CAS No.

10039-56-2

Molecular Formula

H2NaO3P

Molecular Weight

103.97800

PSA

59.17000

LogP

0.02390

 

Properties

Appearance & Physical State

odorless white crystals at room temperature

Density

0.8 g/cm3 (20ºC)

Melting Point

90ºC

Water Solubility

1000 g/L (20 ºC)

Stability

Stable under normal shipping and handling conditions. However, may decompose if heated.

Storage Condition

Store in a cool, dry, well-ventilated area away from incompatible substances.

 

Safety Info

RTECS

SZ5640000

Safety Statements

S24/25

HS Code

2835100000

WGK Germany

3

 

Numbering system

PubChem number

24855944

RTECS number

SZ5640000

MDL number

MFCD00149207

EINECS number

231-669-9

 

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What is Sodium hypophosphite monohydrate?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Sodium hypophosphite monohydrate which has developed particularly rapidly in recent years. Do you know about Sodium hypophosphite monohydrate?

 

The official answer:Sodium hypophosphite monohydrate is a chemical compound with the molecular formula H4NaO3P.

What’s the application of Sodium hypophosphite monohydrate?

1. one-step method refers to the use of yellow phosphorus and one of the following reactants to react and directly produce sodium hypophosphite method: (l) NaOH, (2) alkaline earth metal hydroxide and NaOH mixture (mainly NaOH), (3) alkaline earth metal hydroxide and Na2CO3 mixture. For example, yellow phosphorus in an inert atmosphere and a mixture of lime milk and Na2CO3 solution heated reaction, the release of phosphine and hydrogen, the reaction is over, filtered to separate the reactants, the filtrate is a solution of sodium hypophosphite, the filter cake consists of unreacted lime and calcium phosphate, calcium phosphate, etc… The filtrate is filtered through CO2 to remove the dissolved calcium hydroxide, and the filtrate is concentrated under reduced pressure to obtain NaH2PO2-H2O. The one-step process is simple and can produce a more concentrated solution with lower energy consumption and higher product yield. The one-step process has become the main method of industrial production of sodium hypophosphite

2. Two-step method (complex decomposition method) two-step method is to first use yellow phosphorus in an inert atmosphere and alkaline earth metal hydroxide reaction, or with alkaline earth metal hydroxide and NaOH mixture reaction (mainly alkaline earth metal hydride) to make alkaline earth metal hypophosphate, and then make alkaline earth metal hypophosphate and sodium carbonate for complex decomposition to make hypophosphite. Sodium phosphate. Nitrogen is commonly used as an inert gas. The most commonly used alkaline earth metal hydroxide is Ca(OH)2. Barium hydroxide and magnesium hydroxide can also be used, but the cost of raw materials is higher. The two-step process is longer, more than one filtration, the washing process, and the solubility of calcium hypophosphite is lower than sodium hypophosphite, to reduce the amount of residual hypophosphite in the filter cake, we must increase the amount of washing water, and the washing solution and filtrate combined, so that the solution obtained is very dilute, evaporation and concentration of a lot of energy consumption.

3.Used as analytical reagents, also used in clinical tests.

4.Reducing agent, activator, molecular weight regulator, and heat stabilizer; arsenic and iodate reagent.

Conclusion

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