Product Information
Potassium pyrophosphate (TKPP), CAS number 7320-34-5, is a white crystalline powder with the molecular formula K₄P₂O₇. It is an important inorganic pyrophosphate compound with excellent water solubility, emulsifying properties, chelating ability, and stability. It is widely used in food, industrial, and daily chemical industries, and is a versatile basic chemical raw material.
Product Description
|
Molecular Formula |
K4O7P2 |
|
Molecular Weight |
330.336522 |
|
CAS |
7320-34-5 |
|
EINECS |
230-785-7 |
|
HS Code |
2835399000 |
|
Appearance |
White powder or granules |
|
Packaging |
25kg, 50kg, 1000kg net bags |
COA
|
Item |
Standard |
Result |
|
Assay (K4P2O7)(Calculated on the ingited bases) |
≥98 |
98.5 |
|
P2O5% |
≥42 |
42.2 |
|
K2O% |
≥56 |
56.4 |
|
PH(10 g/L Solution) |
9.7-10.7 |
10.5 |
|
Arsenic (AS) (mg/kg) |
≤ 3 |
<3 |
|
Fluoride (F) (mg/kg) |
≤10 |
8 |
|
Heavy metal (pb &CU & Mn) (ppm) |
≤10 |
<10 |
|
Lead(pb) (mg/kg) |
≤2 |
<2 |
|
Mercury(Hg) mg/kg |
≤1 |
<1 |
|
Cadmium(Cd) mg/kg |
≤1 |
<1 |
|
Iron(Fe) mg/kg |
≤15 |
<10 |
|
Insoluble Substances |
≤0.1% |
0.01 |
Uses and Applications
- Food Industry: Used as an emulsifier, chelating agent, and quality improver in meat products, dairy products, aquatic products, beverages, and canned goods. It improves product texture uniformity and water retention, enhances taste, extends shelf life, and chelates metal ions to stabilize food components.
- Industrial Applications: Used in industrial water treatment (as a scale inhibitor and water softener) to prevent equipment scaling; in the electroplating industry as a complexing agent and buffer, improving plating gloss, adhesion, and uniformity; and also used in the preparation of detergents and flame-retardant materials.
- Daily Chemical Products: Used in shampoos, shower gels, laundry detergents, and other cleaning products as a detergent booster and chelating agent, enhancing cleaning power, preventing limescale buildup, and improving product stability.
- Other Fields: Used in the ceramic industry as a flux and dispersant to optimize ceramic firing performance; in the textile industry as a dyeing and finishing auxiliary to improve dyeing uniformity; and also used as a metal surface treatment agent.
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