Potassium Phosphate Monobasic

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Potassium Phosphate Monobasic

Introduction Solubility in water Uses Toxicity

Product Name: Potassium Phosphate Monobasic
CAS No.: 7778-77-0
Chemical Name: Potassium Phosphate Monobasic
Synonyms: POTASSIUM DIHYDROGEN PHOSPHATE;MONOPOTASSIUM PHOSPHATE;MKP;MONOBASIC POTASSIUM PHOSPHATE;POTASSIUM PHOSPHATE MONOHYDRATE;POTASSIUM DIHYDROGEN ORTHOPHOSPHATE;POTASSIUM PHOSPHATE, MONOBASIC;kdp;POTASSIUM ORTHOPHOSPHATE;Potassium dihydrogen phosphate anhydrous
CBNumber: CB6122627
Molecular Formula: H2KO4P
Formula Weight: 136.085541
MOL File: 7778-77-0.mol

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Potassium Phosphate Monobasic Property

Melting point:: 252.6 °C (lit.)
Boiling point:: > 450 °C
Density: 2.338 g/mL at 25 °C (lit.)
vapor pressure: 0Pa at 25℃
storage temp.: Store at +5°C to +30°C.
solubility: H₂O: 1.5 M at 20 °C, clear, colorless
form: powder
color: White transparent
Specific Gravity: 2.338
Odor: Odorless
PH: 4.2-4.6 (20g/l, H2O, 20℃)
pka: (1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)
Water Solubility: 222 g/L (20 ºC)
Sensitive: Hygroscopic
λmax: λ: 260 nm Amax: 0.046
λ: 280 nm Amax: 0.040
Decomposition: 253 °C
Merck: 14,7659
Stability:: Hygroscopic
InChIKey: GNSKLFRGEWLPPA-UHFFFAOYSA-M
CAS DataBase Reference: 7778-77-0(CAS DataBase Reference)
EPA Substance Registry System: Monopotassium phosphate (7778-77-0)

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Safety

Hazard Codes
HS Code: 2835240000
Hazardous Substances Data: 7778-77-0(Hazardous Substances Data)
Toxicity: LD50 skin in rabbit: > 4640mg/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H313May be harmful in contact with skin

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: SRP5099
Product name: WNK1 (181-507), active, GST tagged human
Purity: PRECISIO? Kinase, recombinant, expressed in baculovirus infected Sf9 cells, ≥70% (SDS-PAGE), buffered aqueous glycerol solution
Packaging: 10μg
Price: $522
Updated: 2024/03/01

Sigma-Aldrich

Product number: SAB2900175
Product name: Anti-PRKWNK1 (AB2) antibody produced in rabbit
Purity: affinity isolated antibody, buffered aqueous solution
Packaging: 50μg
Price: $703
Updated: 2024/03/01

Sigma-Aldrich

Product number: SAB2900174
Product name: Anti-PRKWNK1 (AB1) antibody produced in rabbit
Purity: affinity isolated antibody, buffered aqueous solution
Packaging: 50μg
Price: $703
Updated: 2024/03/01

Sigma-Aldrich

Product number: PX1565
Product name: Potassium phosphate monobasic
Purity: Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Packaging: 500g
Price: $69.5
Updated: 2024/03/01

Sigma-Aldrich

Product number: PX1565
Product name: Potassium phosphate monobasic
Purity: Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Packaging: 2.5kg
Price: $299
Updated: 2024/03/01

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Potassium Phosphate Monobasic Chemical Properties,Usage,Production

Introduction

Potassium dihydrogen phosphate is a kind of highly efficient and rapid dissolving phosphorus and potassium compound fertilizer containing, phosphorus and potassium, two elements for providing the necessary nutrients for plant growth and development, being applicable to any soil and crop, especially being applicable to the treatment of regions of simultaneous lack of phosphorus and potassium nutrients and phosphorus-preferred and potassium-preferred crops. It is mostly used for root top dressing, seed soaking, and seed dressing, being able to yield significant effect. If it sued for the roots fertilization, it can be used as basal fertilizer, seed fertilizer or moderate-late phase topdressing.
Its aqueous solution can react with silver nitrate, generating yellow phosphorus dihydrogen phosphate precipitation, being able to be used as a differential reaction.
As potassium dihydrogen phosphate is expensive, there is less agricultural production. Therefore, it is generally applied of the soaking or root top dressing for application. For crop soaking, the commonly used concentration is 0.2%. After dipping 18~20h, the field can be sown after drying. For root top dressing, if spraying alone, the highest concentration can be 0.5%. If within the range of jointing-booting stage of wheat and rice, we can spray for 1 or 2 times during the cotton, rape early flowering phase. Upon spraying 2 times, the interval can be about 7 to 10 days with the liquid usage amount per acre being about 100~150kg. It can also be combined with other nutrients to be formulated into compound nutrition for foliage top-dressing. For example, the leaf fertilizer used for field crops in North China has its main ingredient be exactly potassium dihydrogen phosphate, urea and the addition inclusion of some trace elements. In recent years, the use of blade complex nutrition also mostly adopts the potassium dihydrogen phosphate as a high concentration and excellent hydrophilic phosphate and potassium fertilizer source. With the development of facilities of horticultural crops and drip irrigation, fertilizer irrigation, the increasing daily demand for potassium dihydrogen phosphate is also increasing.

Solubility in water

Dissolved grams per 100 ml of water at different temperatures (° C):
14.8 g/0 ° C; 18.3 g/10 ° C; 22.6 g/20 ° C; 28 g/30 ° C; 35.5 g /
50.2 g/60 ° C; 70.4 g/80 ° C; 83.5 g/90 ° C

Uses

(1) As feed phosphorus additives; In the food industry, it is used for the manufacture of baked goods, for leavening agent, flavoring agent, fermentation additives, nutritional fortifiers, yeast food. Also used as a buffer, chelating agent.
(2) It can be used as fertilizer, flavoring agent and the culture agent of brewing yeast; used for the preparation of buffer solution, also used in medicine and manufacturing of potassium metaphosphate.
(3) It can be used for the fertilization of rice, wheat, cotton, rape, tobacco, sugar cane, apple and other crops.
(4) It can be used as chromatography reagents and buffer, but also for the synthesis of medicine.
As a highly efficient fertilizer, it is suitable for all kinds of soil and crops. It can also used as a bacterial culture agent, the flavoring agent for the synthesis of sake and the raw material for making potassium metaphosphate. In medicine, it is used for the uric acidification as a nutritional agent.
(5) Used as feed nutritional supplements;As a quality improver, it has effects of improving the complexation metal ions and pH value, increasing the ionic strength of food, and thus improving the adhesion and water holding capacity of food. China provides that it can be used for wheat flour with the maximum usage amount of 5.0g/kg and 2.0 g/kg in the beverage.

Toxicity

Adl: 0 to 70 mg/kg (calculated as phosphorus, FA0 HO, 1985). It is generally recognized as being safe (US Food and Drug Administration, 1975). Cooked meat, cooked ham, cooked minced meat: 3 g/kg; low concentration milk, sweet condensed milk, cream 2 g/kg; milk powder, cream powder 5 g/kg; processed cheese 9 g/kg; quick-frozen Haddock, perch, ferret fish, hake fillet 5 g/kg; ready-to-eat broth, soup 1000 mg/kg; cold drink 2 g/kg. Adl: 0 to 70 mg/kg (total phosphate, in terms of phosphorus; FAO/WHO, 2001). ADI: no restriction (EEC, 1990).

Chemical Properties

White powder

Physical properties

Colorless crystals or white granular powder; tetragonal structure; deliquesces; density 2.338 g/cm³; melts at 252.6°C; soluble in water 33 g/100mL at 25°C; pH 4.4-4.7; insoluble in alcohol.

Uses

Monopotassium phosphate (MKP) is a specialty fertilizer that is a good source of phosphorus and potassium.It is an acid, chloride-free, dry soluble fertilizer,and is a natural pH buffer with a buffer pH in pure water of 4.5.Monopotassium phosphate can be solubilized and blended with liquid fertilizers that will not salt out at a low pH, and is also safe to use as a foliar fertilizer.

Uses

potassium phosphate is a humectant and pH adjuster used in cosmetic formulations. Potassium phosphate is an inorganic salt.

Uses

Potassium Dihydrogen is a buffer, neutralizing agent, and sequestrant. It is mildly acid, with a ph of 4.5, and fairly soluble in water, with a solubility of 25 g in 100 ml at 25°c. It is used in whole eggs for color preservation and is also used in low-sodium products, milk products, and meat products. Typical usage ranges from 0.1 to 0.5%. It is also termed monopotassium phosphate or thophosphate, potassium phosphate monobasic, and monopotassium monophosphate.

Uses

In buffers for determination of pH. Pharmaceutic aid (buffering agent).

Definition

ChEBI: Potassium dihydrogen phosphate is a potassium salt in which dihydrogen phosphate(1-) is the counterion. It has a role as a fertilizer. It is a potassium salt and an inorganic phosphate.

Preparation

Monopotassium phosphate may be prepared by partial neutralization of phosphoric acid with potassium hydroxide in equimolar amounts:H₃PO₄+ KOH →KH₂PO₄+ H₂O.

General Description

Monobasic potassium phosphate crystals are colorless, soluble in water and hygroscopic in nature.Upon heating through 187°C, phase transition occurs in KH₂PO₄, crystal system changes from tetragonal to monoclinic, lattice parameters at 195°C are α=7.47?, b =7.33?, c =14.49?, α=?=90° and γ=92.2.

Biochem/physiol Actions

Potassium phosphate monobasic also referred to as monopotassium phosphate or potassium dihydrogen phosphate is a soluble salt of potassium that serves as a buffering agent. It enhances the solubility of calcium and phosphorus in amino acid plus dextrose solutions and hence assists in improving the mineral balance of parenterally fed low birth weight infants.

Solubility in organics

Insoluble to slightly soluble in ethanol, insoluble in alcohol.

Purification Methods

Dissolve it in boiling distilled water (2mL/g), keep on a boiling water-bath for several hours, then filter it through paper pulp to remove any turbidity. Cool rapidly with constant stirring, and the crystals are collected on to hardened filter paper, using suction, washed twice with ice-cold water, once with 50% EtOH, and dried at 105o. Alternative crystallisations are from water, then 50% EtOH, and again water, or from concentrated aqueous solution by addition of EtOH. It is freed from traces of Cu by extracting its aqueous solution with diphenylthiocarbazone in CCl4, followed by repeated extraction with CCl4 to remove traces of diphenylthiocarbazone.

Potassium Phosphate Monobasic Preparation Products And Raw materials

Raw materials

Calcium carbonate Ampicillin Potassium hydroxide Phosphoric acid Congo red paper Potassium carbonate Calcium fluoride Potassium fluorosilicate Potassium hydroxide solution Sodium dihydrogen phosphate Sodium phosphate monobasic Potassium phosphate tribasic Polyacrylamide Hydrochloric acid Hydrogen Sodium hydroxide Potassium chloride Ammonium bicarbonate (2S)-1-(3-Acetylthio-2-methyl-1-oxopropyl)-L-proline

Preparation Products

Gardenia blue pigment Calcium gluconate Potassium triphosphate Gibberellic acid Potassium metaphosphate 3-AMINO-2,2-DIMETHYL-4-OXO-AZETIDINE-1-SULFONIC ACID Foliar-fertilizer Thiocyclam Cyclopropanecarboxaldehyde Gestodene Streptomycin sulfate BEAUVERICIN L-Alanine D-(+)-Glucono-1,5-lactone L-Lysine hydrochloride guanosine 5'-(tetrahydrogen triphosphate) Yemianbao Cytidine triphosphate Idebenone Bacillus thuringiensis Bleomycin sulfate

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View Lastest Price from Potassium Phosphate Monobasic manufacturers

Hebei Longbang Technology Co., Ltd

Product: Potassium Phosphate Monobasic 7778-77-0
Price: US $6.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20TONS
Release date: 2024-05-15

Hebei Zhuanglai Chemical Trading Co.,Ltd

Product: Potassium Phosphate Monobasic 7778-77-0
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HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD

Product: Potassium Phosphate Monobasic 7778-77-0
Price: US $999.00-800.00/ton
Min. Order: 1ton
Purity: 99%
Supply Ability: 5000
Release date: 2024-08-20

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