Potassium Phosphate Dibasic

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Potassium Phosphate Dibasic

Product Name: Potassium Phosphate Dibasic
CAS No.: 7758-11-4
Chemical Name: Potassium Phosphate Dibasic
Synonyms: DIPOTASSIUM PHOSPHATE;POTASSIUM HYDROGEN PHOSPHATE;DKP;POTASSIUM PHOSPHATE, DIBASIC;DIBASIC POTASSIUM PHOSPHATE;Dipotassium phosphate anhydrous;POTASSIUM MONOPHOSPHATE;DI-POTASSIUM HYDROGEN PHOSPHATE;POTASSIUM BIPHOSPHATE;potassiumdibasicphosphate
CBNumber: CB5668937
Molecular Formula: K2HPO4
Formula Weight: 174.18
MOL File: 7758-11-4.mol

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Potassium Phosphate Dibasic Property

Melting point:: 340 °C
Density: 2,44 g/cm³
storage temp.: Store at +5°C to +30°C.
solubility: H₂O: 1 M at 20 °C, clear, colorless
form: Solid
color: White
PH: 8.5-9.6 (25℃, 50mg/mL in H2O)
pka: (1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)
Odor: Odorless
PH Range: 8.8
Water Solubility: 1600 g/L (20 ºC)
Sensitive: Hygroscopic
λmax: λ: 260 nm Amax: ≤0.20
λ: 280 nm Amax: ≤0.15
Decomposition: >465°C
Merck: 14,7658
Stability:: Stable. Hygroscopic.
InChIKey: ZPWVASYFFYYZEW-UHFFFAOYSA-L
LogP: -2.148 (est)
CAS DataBase Reference: 7758-11-4(CAS DataBase Reference)
EPA Substance Registry System: Dipotassium phosphate (7758-11-4)

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Safety

Hazard Codes: Xi,C,T,F
Risk Statements: 36-35-22
Safety Statements: 22-24/25-36-26-45-36/37/39
WGK Germany: 3
RTECS: TC8450000
F: 3
TSCA: Yes
HS Code: 28352400
Hazardous Substances Data: 7758-11-4(Hazardous Substances Data)
Toxicity: LD50 orally in Rabbit: 8000 mg/kg

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Hazard statements

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.

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

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: PX1570
Product name: Potassium phosphate dibasic
Purity: Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Packaging: 500g
Price: $151
Updated: 2024/03/01

Sigma-Aldrich

Product number: PX1570
Product name: Potassium phosphate dibasic
Purity: Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Packaging: 1kg
Price: $303
Updated: 2024/03/01

Sigma-Aldrich

Product number: PX1570
Product name: Potassium phosphate dibasic
Purity: Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Packaging: 12kg
Price: $1390
Updated: 2024/03/01

Sigma-Aldrich

Product number: PX1570
Product name: Potassium phosphate dibasic
Purity: Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Packaging: 50kg
Price: $2590
Updated: 2024/03/01

Sigma-Aldrich

Product number: PHR2900
Product name: Dibasic Potassium Phosphate
Purity: pharmaceutical secondary standard, certified reference material
Packaging: 5G
Price: $172
Updated: 2024/03/01

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Potassium Phosphate Dibasic Chemical Properties,Usage,Production

Description

Potassium Phosphate Dibasic is a common source of phosphorus and potassium, which is often used as a fertilizer. It is also widely applied in the food industry, such as food additive and electrolyte replenisher for workout supplement. Another usage of Potassium Phosphate Dibasic is as a medicine, who serves as a diuretic or laxative. Besides, it is employed in the production of imitation dairy creamers to prevent coagulation and used in certain powders to prepare beverages. In addition, it is commonly seen in chemical laboratories for producing buffer solutions and trypticase soy agar which is used to make agar plates for culturing bacteria.

Chemical Properties

White crystalline powder

Physical properties

White amorphous powder; deliquesces; decomposes on heating; converts to pyrophosphate when ignited; very soluble in water, 167 g/100mL at 20°C; very soluble in alcohol; aqueous solution slightly alkaline.

Uses

Buffering agent in antifreeze solutions; nutrient in the culturing of antibiotics; ingredient of instant fertilizers; as sequestrant in the preparation of non-dairy powdered coffee creams.

Uses

Potassium Phosphate Dibasic is used as a buffering agent to control the degree of acidity in solutions.

Uses

Potassium Phosphate Dibasic is the dipotassium salt of phosphoric acid which functions as a stabilizing salt, buffer, and sequestrant. It is mildly alkaline with a ph of 9 and is soluble in water with a solubility of 170 g/100 ml of water at 25°c. It improves the colloidal solubility of proteins. It acts as a buffer against variation in ph. For example, it is used in coffee whiteners as a buffer against ph variation in hot coffee and to prevent feathering. It also functions as an emulsifier in specified cheeses and as a buffering agent for processed foods. It is also termed dipotassium monohydrogen orthophosphate and dipotassium monophosphate.

Uses

Buffer solutions.

Application

Potassium Phosphate Dibasic can be used as corrosion inhibitor of antifreeze, nutrient of antibiotic culture medium, phosphorus and potassium regulator of fermentation industry, feed additive, medicine, fermentation, bacterial culture and preparation of potassium pyrophosphate, as feed phosphorus supplement additive. Potassium hydrogen phosphate can also be used as water treatment agent, microorganism, fungus culture agent and other purposes. It is often used as analytical reagent and buffer. It is also used in pharmaceutical industry. In food industry, it is used as raw material for preparing alkaline water for pasta products, fermentation agent, flavoring agent, bulking agent, mild alkaline agent for dairy products and yeast food. Potassium Phosphate Dibasic can be used as buffer, chelating agent and analytical reagent. Buffers and pharmaceuticals. Potassium Phosphate Dibasic can be used for boiler water treatment. In medicine and fermentation industry, Potassium Phosphate Dibasic can be used as phosphorus and potassium regulator and bacterial culture medium. It is the raw material for producing potassium pyrophosphate. It can be used as liquid fertilizer and corrosion inhibitor of ethylene glycol antifreeze. Feed grade is used as feed nutritional supplement. Potassium dihydrogen phosphate can be used as a product quality improver, which can improve the complex metal ions, pH value and ionic strength of food, so as to improve the bonding force and water holding capacity of food. China stipulates that Potassium Phosphate Dibasic can be used for fat planting powder, with a maximum dosage of 19.9g/kg.

Preparation

Dipotassium phosphate is prepared by partial neutralization of phosphoric acid with potassium hydroxide, followed by crystallization:
H₃PO₄+ 2KOH →K2HPO₄+ 2H₂O.

Definition

ChEBI: A potassium salt that is the dipotassium salt of phosphoric acid.

General Description

Potassium phosphate dibasic is a useful biological buffer having a pH in the range of 8.5-9.6. Potassium phosphate is present in various forms: monobasic (KH₂PO₄), dibasic (KH₂PO₄), and tribasic (K₃PO₄). Potassium phosphate buffers are widely employed in equilibrium dialysis, high performance liquid chromatography (HPLC) and affinity capillary electrophoresis studies.

References

https://en.wikipedia.org/wiki/Dipotassium_phosphate
https://pubchem.ncbi.nlm.nih.gov/compound/Dipotassium_hydrogen_phosphate#section=Other-Identifiers
https://www.isitbadforyou.com/questions/is-dipotassium-phosphate-bad-for-you

Potassium Phosphate Dibasic Preparation Products And Raw materials

Raw materials

Ampicillin Phenolphthalein indicator Potassium hydroxide Phosphoric acid Phenolphthalein Potassium carbonate Indicator

Preparation Products

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View Lastest Price from Potassium Phosphate Dibasic manufacturers

Hebei Yanxi Chemical Co., Ltd.

Product: Potassium Phosphate Dibasic 7758-11-4
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 100tons
Release date: 2023-09-27

Wuhan Senwayer Century Chemical Co.,Ltd

Product: Potassium Phosphate Dibasic 7758-11-4
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Release date: 2023-02-09

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Product: Potassium Phosphate Dibasic 7758-11-4
Price: US $0.00/KG
Min. Order: 25KG
Purity: 98%min
Supply Ability: 30tons/month
Release date: 2023-01-10

7758-11-4, Potassium Phosphate DibasicRelated Search:

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POTASSIUM PHOSPHATE DIBASIC ANHYDROUS pure

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Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate

DIBASICPOTASSIUMORTHOPHOSPHATE

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dipotassium phosphate for food

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CYCLO-PREP GENOMIC DNA KIT

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Potassium phosphate dibasic ACS reagent, >=98%

Potassium phosphate dibasic anhydrous, free-flowing, Redi-Dri(TM), ACS reagent, >=98%

Potassium phosphate dibasic puriss. p.a., ACS reagent, anhydrous, >=99.0% (T)

Potassium phosphate dibasic Vetec(TM) reagent grade, 98%

Isolyte

Mediject P

Potassium phosphate, dibasic, anhydrous, for analysis

DI-POTASSIUM HYDROGEN PHOSPHATE GEN-APEX

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PRIMARY SOLUTION RED

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TSA PETRI 90MM TRIPLE-WRAP (6X20)

TSA TLHTH PETRI 90MM TRIPLE-WRAP (6X20)

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