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Tripotassium Phosphate (TKP) | CAS 7778-53-2 | PH Stabilizer & Phosphate Additive

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CAS No.:

7778-53-2

Grade:

Food Grade

Content:

98%

Port:

shanghai

Packaging:

25KGS/BAG

Sample Available:

Yes

Price valid (until):

2024-11-10

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PREMIUM INGREDIENT CO.,LTD

Company Type:

Manufactory

Location:

United Kingdom

Payment Terms:

TT against copy of documents,L/C

Average Lead Time:

80 days

Qualification:

Main Products:

l-lysine monohydrochloride,dl-methionine,n-acetyl-l-cysteine,l-methionine,glycine,l-cysteine hcl monohydrate

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Product Description
Seller Information

Description

Basic Information

Item	Details
Product Name	Tripotassium Phosphate (TKP)
Synonym	TKP, Potassium Phosphate Tribasic, Tribasic Potassium Phosphate
CAS No.	7778-53-2
EINECS No.	231-907-1
Molecular Formula	K₃PO₄
Molecular Weight	212.27
Appearance	White hygroscopic powder or crystalline granules
Purity	≥97.0% (Food Grade)
Grade	Food Grade, Industrial Grade
Solubility	Easily soluble in water, insoluble in ethanol
Executive Standard	Food Grade: FCC, GB 25563; Industrial Grade: Industry Standard
Certifications	ISO9001, HALAL, KOSHER
Heavy Metals (as Pb)	≤ 0.001%
Fluoride	Compliant with international safety standards

Product Overview

Tripotassium Phosphate (TKP), Cas No.: 7778-53-2, is a high-purity hygroscopic phosphate salt, supplied in food grade and industrial grade specifications. As a multifunctional food additive, it is widely used as emulsifier, pH stabilizer, sequestrant and texture improver in food processing. It also serves as a quality chemical auxiliary agent for industrial manufacturing and water treatment.

Character

Tripotassium Phosphate features high purity, excellent water solubility and stable chemical performance. The food grade TKP adopts strict purification technology with ultra-low impurity content, fully meeting global food safety standards. It has strong pH buffering capacity and metal ion chelating ability, effectively stabilizing food system and improving product texture. Industrial grade TKP has stable alkalinity and reliable batch consistency, suitable for various industrial auxiliary scenarios. It is highly hygroscopic and requires sealed storage to avoid moisture agglomeration.

Main Functions

1.pH Stabilizer & Buffer Agent — stably adjust and maintain balanced pH value in food systems, prevent quality deterioration

2.Food Emulsifier — enhance emulsification stability, uniform mixing of oil and water components in processed food

3.Metal Sequestrant — chelate metal ions, inhibit oxidation and discoloration, extend product shelf life

4.Texture Improver — improve water retention and tenderness of meat and seafood products

5.Nutrient Supplement — provide potassium element as food nutritional fortifier

6.Industrial Auxiliary Agent — used for industrial water treatment, cleaning and chemical synthesis assistance

Applications

1.Food Processing (Core Application) Food grade TKP is widely applied in meat products, seafood processing, dairy products, beverages and baked goods. It stabilizes product pH, improves emulsifying performance, maintains tender texture, and prevents oxidative deterioration during processing and storage.

2.Beverage Industry Used for pH adjustment and system stabilization of functional drinks and protein beverages, ensuring uniform texture and stable flavor.

3.Industrial Fields Industrial grade TKP is used for industrial water treatment, metal surface treatment, industrial cleaning agent formulation and fine chemical synthesis, serving as a common alkaline phosphate auxiliary.

Packaging & Storage

Packaging: 25kg kraft paper bag with plastic inner bag, 1000kg jumbo bag, customized packaging available

Storage: Store in cool, dry and ventilated warehouse with sealed packaging; keep away from moisture, high temperature and incompatible substances

Shelf Life: 24 months under proper storage conditions

Parameters	Unit	Food Standard
Appearance	/	White powder
Main contents,as K₃PO₄	≥%	97.0
pH	10G/L	11.5-12.5
Water insoluble	≤%	0.2
Heavy metals(as Pb)	≤ppm	10.0
Arsenic(As)	≤ppm	3.0
Fluoride(F)	≤ppm	10.0
Plumbum(Pb)	≤ppm	2.0
Loss on ignition	≤%	5.0

ECHEMI Editorial Reference

white powder or crystals
DryPowder; Liquid|Colourless or white, odourless hygroscopic crystals or granules. Hydrated forms available include the monohydrate and trihydrate

Certificates

Basic Info

Product Name:

Tripotassium phosphate

Other Name:

Phosphoric acid,potassium salt (1:3);Phosphoric acid,tripotassium salt;Tripotassium phosphate;Potassium orthophosphate;Potassium phosphate;Tripotassium orthophosphate;Potassium phosphate (K3PO4);Potassium tribasic phosphate;SA 811;44042-47-9;1017687-06-7;1269628-80-9

CAS No.:

7778-53-2

Molecular Formula:

H3O4P.3K

InChIKeys:

InChIKey=KDSSEOIBFVTMNM-UHFFFAOYSA-N

Molecular Weight:

212.27

Exact Mass:

211.844543

EC Number:

231-907-1

UNII:

16D59922JU

DSSTox ID:

DTXSID3043994

HScode:

2835240000

Categories:

Acidity Regulators

Characteristics

PSA:

86.2

XLogP3:

0.38600

Appearance:

White Solid

Density:

2.564 g/mL at 25 °C(lit.)

Melting Point:

1340 °C

Boiling Point:

158ºC at 760 mmHg

Water Solubility:

H2O: 50.8 g/100 mL (25 ºC)

Storage Conditions:

Store in a cool, dry place. Store in a tightly closed container.

PH:

Between 11,5 and 12,3 (1 % solution)

See More Tripotassium phosphate Properties 

Hazard Identification

Classification of the substance or mixture

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H318 Causes serious eye damage H335 May cause respiratory irritation
Prevention	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Tripotassium phosphate Safety Data Sheet 

Seller Information

Business Type: Manufactory
Main Products: l-lysine monohydrochloride,dl-methionine,n-acetyl-l-cysteine,l-methionine,glycine,l-cysteine hcl monohydrate
Location: dongsheng road
Payment Terms: TT against copy of documents,L/C
Average lead Time: 80 days
Total Annual Revenue: $5 million-$10 million
Total Employees: 5-10
Year of Establishment: 2015

Premium Ingredient specializes in supplying and distributing food & feed amino acids, food additives and functional ingredients for more than a decade.

Our food additives portfolio covers phosphates, acidulants, preservatives, sweeteners, thickeners and leavening agents.

Our functional ingredients include vitamins, mineral products, botanical extracts, nutraceutical ingredients, functional fibers & bulking agents.

We serve over 100 clients across food & beverage, dietary supplement, sports nutrition, personal care, pharmaceutical and animal feed sectors, with products exported to dozens of countries worldwide. All our goods are sourced from top-tier Chinese manufacturers with proven expertise and complete management systems.

◆Amino Acids	◆ phosphates	◆ acidulants
◆ preservatives	◆ sweeteners	◆ functional fiber&bulking agent
◆ thickeners	◆ Leavening agents	◆ mineral products
◆ Botanical extracts	◆ vitamins	◆ nutritional products

Backed by over 10 years of industry experience, we provide one-stop-shop solutions combining high-grade products, prompt communication, on-time delivery and real-time market intelligence. Thanks to our long-term deep-rooted partnerships with source manufacturers, we can guarantee sufficient inventory, stable pricing and fast shipment.

Our third-party certifications include ISO9001, ISO14001, HACCP, HALAL, KOSHER, GMP, FAMI-QS and more. You can count on Premium Ingredient as your trusted global raw material supplier.

------------------------------------- Mission------------------------------------

Acting as a bridge between reliable Chinese manufacturers and global buyers, we carefully select partner factories with mature production capabilities and sound management systems. We deliver not only premium-quality raw materials, but also value-added services including market trend updates, supply chain risk alerts, product formulation consultation, consolidated sample shipment and full document support for import compliance. We timely forward overseas customers’ requirements to our partner factories to support product upgrading and achieve mutual growth.

-------------------------------------Our Quality------------------------------------

Our Quality

As a professional ingredient supplier, we do not operate manufacturing facilities. Instead, we build robust quality‑assurance workflows across our whole supply chain to safeguard consistent product performance for every shipment

Strict Supplier Due‑Diligence

Before entering any partnership, we carry out on-site factory visits and assess industry reputation, followed by multi-stage qualification reviews. We validate production qualifications, export track records, quality management systems and complete certification packages. New suppliers must pass sample evaluation, and only fully vetted top-tier factories are admitted to our approved supplier pool

Batch‑by‑batch Document Verification

For every order, we cross‑check factory‑issued test documents against agreed specifications including FCC, USP, EP, AJI, CP or your customized requirements. We will not forward documents to customers until key indicators are fully aligned with specifications. This step avoids inconsistent or mismatched documentation common in raw‑material trade.

Independent Third‑party Testing Coordination

Upon client request, we can arrange independent laboratory inspections from recognized third‑party institutions. We manage sample delivery, test protocol communication and report follow‑up to support your market compliance needs.

Quality Closure & Continuous Improvement

We keep traceable records for all delivered batches. If any quality concern arises, we act as your single point‑of‑contact to trace root causes with source factories, drive corrective actions and deliver practical resolution plans. Client feedback is systematically collected to optimize our supplier management and document‑review procedures.

We provide a comprehensive set of compliance documents to support your import and registration work. Our available documentation includes but is not limited to:

★ ISO Certification ★ Halal Certificate

★ Kosher Certificate ★ IP certificate

★ Haccp certificate ★ Allergens with Glutens

★ GRAS Statement ★ HACCP Program

★ BSE/TSE Statement ★ Certificate of Analysis

★ Country of Origin Certificate ★ Material Safety Data Sheet

★ Flow Chart (product processing) ★ Food Grade Certificate

★ Nutritional Information ★ GMO Statement

★ Specification Sheet

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Tripotassium Phosphate (TKP) | CAS 7778-53-2 | PH Stabilizer & Phosphate Additive

Product Description