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Hypophosphorous Acid

(1.0)
Supplier From China
Apr-27-25

Hypophosphorous acid is an important product of fine chemicals. Its main use is as a reducing agent in chemical plating to prevent discoloration of phosphoric acid resin. It can also be used as a catalyst and refrigerant for esterification reactions, especially in the production of high-purity sodium hypophosphite.

Brand: Soarwin
CAS No.: 6303-21-5
EC Number: 228-601-5
Molecular Formula: H3O2P
Density: 1.206g/mLat 20°C(lit.)
Melting point: -25 °C
Boiling point: 108 °C (759.8513 mmHg)

Price and Minimum Quantity

Price: $1 - $500 / Kilogram (FOB)
MOQ: Not Specified
Product Grade: 1
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Hypophosphorous Acid 50% (Phosphinic Acid)

Hypophosphorous Acid 50% (Phosphinic Acid)

(2.5)
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MOQ: 27  Metric Tonnes
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Hypophosphorous Acid (HPA) also known as phosphinic acid is a colorless low-melting compound,it is used in applications like; as catalyst during esterification alkyd synthesis, reducing agent for electro less nickel plating, bleaching agent in synthetic fibers, color stabilizer during the manufacturing of chemicals and plastics and is also used in various organic chemistry applications. HPA serves as a neutralizing agent, antioxidant, catalyst in polymerization and poly condensation, and wetting agent. Further, it is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment and retrieval of precious or non-ferrous metals.
Specifications

Appearance: Colorless Liquid
Hypophosphorous Acid : 50% Min
Phosphorous Acid (H3PO3): 0.50% Max
Sodium (Na): 0.50% Max.
Iron (Fe): 15 ppm Max.
Sulfate(SO4): 300 ppm Max.
Lead (Pb): 5.0 ppm Max.
Arsenic (As): 1.00 ppm Max.
Color, haze: 30 HAZEN
Density (20 C): 1.210 - 1.226 g/cm3
Chloride (Cl): 300 ppm Max.
Packing

55.12 LB Drum
2204.6 LB Tote
DOT Transportation

UN No: 3264
Shipping Name: Corrosive liquid, acidic, inorganic, NOS (hypophosphorous acid/ phosphorous acid solution)
Packing Group: II
Hazard Clas: 8
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Hypophosphorous Acid

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  Ochnology Solution Private Limited
Supplier From Dehradun, Uttarakhand, India
Supplier Of Industrial Chemicals
 
Hypophosphorous acid 50% - H3PO2 (CAS: 6303-21-5)

Hypophosphorous acid 50% an ionic compound that can be synthesized by reacting boric acid Intermediates hydrofluoric acid Intermediates then adding additive hydroxide. The most general method to prepare hypophosphorous acid is by hydrolysis of dialkyl phosphonate to phosphonic acid with concentrated HCl solution.

Hypophosphorous acid is used as a bleaching or decolorizing agent for plastics, synthetic fibres, and chemicals and also as a colour stabilizer and decolourizing agent in the manufacture of several plastics and chemicals. In electroplating it is used as a wetting, emulsifying or dispersing agent. The substance is used as an acidifying compound, chemical reducer, anti-oxidant, catalyst, in synthesis and electroless nickel plating and as a polishing agent.


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Hypophosphorous Acid

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  Wuhan Silworld Chemical Co., Ltd.
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hypophosphorous acid
CAS:6303-21-5
Appearance: colorless or slightly yellow liquid
Solubility: miscible in water
H3PO2 content: 50% min.
H3PO3: 0.5% max.
Na: 1.0% max.
Fe: 0.005% max.
Sulfate and chloride: 0.05% max.
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Hypophosphorous acid

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  Taixing Jinyuan Specialty Chemical Co., Ltd.
Supplier From Taixing, Jiangsu, China
Supplier Of Chemicals & Allied Products
 
Formula : h3po2

H3po3 0.5%max
Sulphate(so4) 0.01% max
Iron(fe) 0.001%max
Chlorine(cl) 0.02%max

Usage: used in processes requiring a reducing agent, i.E.To minimize
Color formation during organic reactions.



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hypo phosphorous acid, Payment Terms : TT ( Telegraphic Transfer ) Net Banking
Upfront Upon Proforma Invoice
Pricing, Total or Minimum order Quantity , Quality and Delivery time get back to us so we can provide all those for you if interested.
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Supplier: Citric acid, DCP, MCP, sodium cyclamate, potasium sorbate, sorbic acid, sodium benzoate, benzoic acid, HEDP, ATMP, PBTC, HPMA, phosphorous acid, hypophosphorous acid, polyphosphoric acid, zinc oxide, zinc chloride, sodium bromide, ammonium chloride

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  Tianmen Xingxin Trading Company
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Bilirubin is extracted from bile of animals. It is very effective on relieving convulsion , allaying a fever , detoxifcation , decreasing blood pressure and promoting number of eosinophils in the blood . It is the basis of calculus bovis ariifactus and it also be used to make cosmetics , medicine , health products etc . Our bilirubin has past thin layer chromatography and liquid chromatography test by hubei entry & exit inspection and quarantine bureau technology centre . We can produce 40~50kg bilirubin every month , its purity is 95% -99%, and the structural stability is well, the purity doesn't reduce in more than one year .
Molecular formula
C33h36n4o6
Molecular weight
584.67204
Keyword
211-239-7
Appearance
Orange to reddish-brown fine crystalline powder
Solution(0.01 % in chloroform)
Yellow, clear
Loss on drying(two hours at 60 c, vacuum)
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Azobilirubin absorptivity
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Bicarbonate extractables
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Tetrakis Hydroxymethyl Phosphonium Sulfate

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(1.3)
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MOQ: Not Specified
  Tianmen Xingxin Trading Company
Supplier From Tianmen, Hubei Province, China
Supplier Of Chemicals & Allied Products
 
CAS No: 55566-30-8
Molecular Formula: [(CH2OH)4P]2SO4
Molecular Weight: 406.28
HS code: 2919900090
Appearance: Clear, colorless or light yellow liquid

Specification:
Assay, % 75 min
Viscosity(25ípC ) MPA-S, 30.0-36.0
Specific Gravity(25C), 1.350-1.420 g/ml
Fe % 0.002 
pH value: 2.5-5.5

250KG net/ drum
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