Greenchem Biotech

A Potassium Dihydrogen Phosphite (KH2PO3) Is Prepared From Phosphorous Acid And Potassium Carbonate Through Reaction In The Presence Of Stabilizer. It Can Be Used As Fungicide, Insecticide, Or Fertilizer In Agriculture And For Treating Water.

Phosphorus acid / Phosphonic Acid.
Chemical Formula : H3PO3 
Descreption : White crystals or semisolid , highly hygroscopic and deliquescent.

Molecular Weight : 82

Cas Reg. No  : [13598-36-2]

Assay as Phosphorus acid : 98% min

Chloride (CI) : 0.01% Max

Phosphate (PO4) : 0.5% Max

Iron (Fe) : 0.005% Max

Sulphates (SO4)  :0.01% Max

Water Content :  0..5 to 1% Max

Melting Point :  40 degree centigrade 

Decomposition:  At above 180 C it decomposes in to PH3 & H3PO4

Solubility :  Very soluble in water, moisture sensitive

Relative gravity :1.65 (bulk density)

Packing : 40 Kg hdpe drum

Application :As water treatment chemicals,  reducing agent. Stabilizer for polyfibers in the synthesis of phosphates. Agrochemical intermediate, Plant Nutrient, Fungicide in Agriculture.

Phosponic acid is able to incorporate resistance against downy mildew, die back, root rot and damping off in many plants, such as Grape, Cucurbits,Tomato, etc. This will control many economically important fungal diseases.

crop this product is used to control phytophthora leaf spot and fruit rot. Ginger rhizome rot, In case of Citrus dinkya / Banka roga (gummosis) and die back can control very effectively by this product. In nursery damping off due to Pythium is dangerous diseases, which can be controlled by these products.

Product Name : Potassium salt of Phosphonic Acid /PSPA-50%SC

Mol For.: KH2PO3

Mol wt :81.99

Descreption: Clear Transparent Liquid

PH = 5.5-6.5

viscocity =1.3 to 1.35

Application: Agriculture Fungicide, Phytophthora , Dieback Textile, etc

Packing : 33 .34 Kg Can

Descreption - Clear transparent to hazy blue Liquid

Application- Liquid bourdex is used an Fungicide. Downy mildew of vine caused by Plasmopara viticola. Also used as antibacterial.

Foliar application - 2:1000 gives best results. 

Drenching/ Soil basal dose -2:100

Packing - 25liter can/35 liter can/ 50 liter can / 200 liter BRL