Dipotassium Phosphate Trihydrate – Buffering Agent, Emulsifier, and Stabilizer for Diverse Uses | China | Manufacturer | Lianyungang Kaiyu Environmental Tech Co., Ltd.

Price	$1200	$1150	$1100
Package	1ton	10ton	27ton

Product Details

Product Name: dipotassium phosphate trihydrate	CAS No.: 7758-11-4
EC-No.: 231-834-5	Min. Order: 1ton
Purity: 99%	Supply Ability: 1000T/M
Release date: 2025/11/04

1. Product Identification

Product Name: Dipotassium Phosphate Trihydrate

Chemical Formula: K₂HPO₄·3H₂O

Molecular Weight: 228.22 g/mol

EINECS Number: 231-834-5 (same as anhydrous form)

Synonyms: DKP, DKP Trihydrate, Potassium hydrogen phosphate trihydrate

2. Physical and Chemical Properties

Appearance: White crystalline powder

Odor: Odorless

Solubility: Freely soluble in water, insoluble in alcohol

pH (1% solution): 8.8 – 9.4

Melting Point: Loses water of crystallization before melting

Stability: Stable under normal storage conditions

3. Specifications

Parameter	Unit	Industrial Grade	Food Grade
Assay (as K₂HPO₄·3H₂O)	%	≥ 98.0	≥ 98.0
pH (1% solution)	-	8.8 – 9.4	8.8 – 9.2
Water Insoluble Matter	%	≤ 0.2	≤ 0.1
Heavy Metals (as Pb)	%	≤ 0.001	≤ 0.0005
Arsenic (As)	%	≤ 0.0003	≤ 0.0001
Fluoride (F)	%	≤ 0.005	≤ 0.003
Loss on Drying	%	15.0 – 17.0	15.0 – 17.0

Note: The loss on drying corresponds to the trihydrate form (3 water molecules).

4. Applications

Industrial Grade:

（1）Used in metal surface treatment, electroplating, and buffering solutions

（2）Common in detergents, water softening, and ceramic processing

（3）Serves as a flame retardant additive in certain formulations

Food Grade:

（1）Acts as a pH buffer, emulsifier, and stabilizer

（2）Widely used in processed cheese, instant beverages, creamers, and bakery products

（3）Approved as food additive (E340(ii)) in many countries

5. Packaging and Storage

（1）Packaging:

25 kg or 50 lb polyethylene-lined kraft paper bags

Bulk bags or customized packaging available upon request

（2）Storage Conditions:

Store in a cool, dry, well-ventilated area

Keep container tightly closed to avoid moisture absorption

Avoid exposure to high humidity and direct sunlight

（3）Shelf Life:

24 months if properly stored in original packaging

6. Safety and Handling

Not classified as hazardous under normal usage

Avoid inhalation of dust and contact with eyes

Use appropriate PPE: gloves, goggles, and dust mask when handling in bulk

Follow local regulations and consult the Safety Data Sheet (SDS) for detailed handling instructions

7. Regulatory Information

Compliant with:

a.FCC (Food Chemicals Codex) for food grade

b.EU Regulation (E340(ii))

c.Codex Alimentarius

d.ISO/USP standards depending on the application and grade

For more information, please click:

Website: www.khonorchem.com

Tel/WhatsApp/WeChat: +86-19851820586

Company Profile Introduction

Been striving in the field of chemicals for more than 15 years, Jiangsu Khonor Chemicals Co., Limited has became a professional supplier of various kinds of chemicals. With a motto of being professional, efficient and competitive, KHONOR establish solid cooperation and gain great support from leading manufacturers in different fields, including food additives, feed additives, water treatment chemicals, fertilizers, basic chemicals and speciaty chemicals etc. Our one-stop service offers clients the convenience of assembling a wide variety of food additives, feed additives, water treatment and industrial chemicals all in one go, ensuring reliable sourcing, compliance, and efficient delivery. By combining the expertise of our technical team with a robust supply network, we can help companies achieve consistency and quality across their product formulations.

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