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Jiangsu Kolod Food Ingredients Co., Ltd.
Toothpaste Grade Tetrapotassium Pyrophosphate,Tetrapotassium Pyrophosphate in Toothpaste,Tetrapotassium Phosphate for Toothpaste
| Min.Order | Unit Price |
|---|---|
| 1 Metric Ton | USD 1400 / Metric Ton |
Other name : Tetrapotassium Pyrophosphate
Molecular formula : K4P2O7
Molecular Weight : 330.34
INS: 450v
CAS: [7320-34-5]
DESCRIPTION
Potassium Pyrophosphate occurs as colorless or white crystals or as a white, crystalline or granular powder. It is hygroscopic.
It is very soluble in water, but is insoluble in alcohol. The pH of a 1:100 aqueous solution is about 10.5.
Function emulsifier; texturizer.
REQUIREMENTS
Identification1.
A 1:20 aqueous solution gives positive tests for Potassium,
Appendix IIIA.
1. Dissolve 100 mg of sample in 100 mL of 1.7 N nitric acid. Add 0.5 mL of this solution to 30 mL of quimociac TS.
Ayellow precipitate does not form. Heat the remaining portion of the sample solution for 10 min at 95°, and add 0.5 mL of
it to 30 mL of quimociac TS. A yellow precipitate forms immediately.
Assay Not less than 95.0% of K4P2O7, calculated on the ignited basis.
Arsenic Not more than 3 mg/kg.
Fluoride Not more than 10 mg/kg.
Insoluble Substances Not more than 0.1%.
Lead Not more than 2 mg/kg.
Loss on Ignition Not more than 0.5%.
Packaging and Storage Store in tight containers.
Product Categories : Phosphate > Potassium Phosphate
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