ChemicalBook--->CAS DataBase List--->13492-26-7

13492-26-7

13492-26-7 Structure

13492-26-7 Structure
IdentificationBack Directory
[Name]

POTASSIUM PHOSPHITE
[CAS]

13492-26-7
[Synonyms]

Kphos
di-potassium
Potassium phdsphite
POTASSIUM PHOSPHITE
Tripotassium phosphite
Dipotassiumhydrogenphosphite
Phosphonic acid potassium salt
phosphonicacid,dipotassiumsalt
di-potassiumsaltsofphosphorous
di-potassiumsaltsofphosphorousacid
Dipotassium monohydrogen phosphite
Phosphonic acid,potassiuM salt (1:2)
POTASSIUM PHOSPHITE ISO 9001:2015 REACH
2-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate
(E)-3-[3-bromo-5-(2-carboxylatoethynyl)phenyl]prop-2-enoate
3-nitro-4-[(2-nitro-4-sulfonatophenyl)diazenyl]benzenesulfonate
5-nitro-2-[2-(4-nitro-2-sulfonatophenyl)ethynyl]benzenesulfonate
5-amino-2-[2-(4-amino-2-sulfonatophenyl)ethynyl]benzenesulfonate
3-amino-4-[2-(2-amino-4-sulfonatophenyl)hydrazinyl]benzenesulfonate
5-amino-2-[2-(4-amino-2-sulfonatophenyl)-2-oxoethyl]benzenesulfonate
5-acetamido-2-[(E)-2-(4-acetamido-2-sulfonatophenyl)ethenyl]benzenesulfonate
[EINECS(EC#)]

236-809-2
[Molecular Formula]

HK2O3P
[MDL Number]

MFCD00049667
[MOL File]

13492-26-7.mol
[Molecular Weight]

158.18
Chemical PropertiesBack Directory
[Melting point ]

> 300° C (dec.)
[density ]

0.979[at 20℃]
[vapor pressure ]

0Pa at 25℃
[storage temp. ]

Hygroscopic, Room Temperature, Under inert atmosphere
[solubility ]

Methanol (Slightly, Sonicated), Water (Slightly)
[form ]

white hygroscopic powder
[pka]

1.3[at 20 ℃]
[color ]

White to Off-White
[Water Solubility ]

very soluble H2O; insoluble alcohol [MER06]
[Specific Heat Capacity]

Cp(gas):0.310401J/(g·K),at 25℃
[Stability:]

Hygroscopic
[LogP]

-1 at 25℃
[CAS DataBase Reference]

13492-26-7
[EPA Substance Registry System]

Dipotassium phosphite (13492-26-7)
Hazard InformationBack Directory
[Chemical Properties]

white; deliquescent powder(s); slowly oxidized in air to the phosphate; decomposed by heating [MER06]
[Uses]

POTASSIUM PHOSPHITE: Disease Prevention and Bacterial Suppression: Rich in biostimulant phosphorous acid (containing +3 valent phosphorous acid), it can stimulate crops to produce polyphenols and reactive oxygen species (ROS), stimulating the activity of defense enzyme systems. It has good preventive and therapeutic effects on common fungal and viral diseases such as blight, downy mildew, root rot, and late blight. Regular use greatly improves the disease resistance and stress tolerance of crops. Safe and Efficient: It can be transported bidirectionally through the xylem and phloem, improving nutrient absorption and utilization efficiency. The nutrients are pure, hormone-free, and impurity-free, and will not clog nozzles or drip irrigation capillaries, making it safer for roots, leaves, flowers, and fruits. Loosens the soil, increases permeability, improves the rhizosphere environment, and is conducive to healthy and vigorous crop growth; Promotes Root and Plant Growth, Promotes Flowering and Fruit Enlargement, and Increases Yield: It can promote robust plant growth, effectively control apical dominance, avoid excessive vegetative growth, and make crop flower buds full, more and stronger, significantly improving fruit set rate and quality, thus increasing yield and income.
[Production Methods]

There are various commercial production methods including; (1) from phosphonic acid, (2) using the Michaelis–Arbuzov reaction, and (3) from phosphorus trichloride
[Flammability and Explosibility]

Nonflammable
[Mechanism of action]

Mixed mode of application including direct toxicity to plant pathogens reducing populations and promotion of plants natural defences
[Pesticide Type]

Fungicide
Safety DataBack Directory
[TSCA ]

TSCA listed
[REACH Registrations]

Active
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