
Chemical Product Phosphorous Acid Sodium Tripolyphosphate/STPP Tech Gradeprice
Sodium tripolyphosphate is also called sodium triphosphate. There are two kinds of anhydrate and hexahydrate, which is a kind of condensed phosphate with chain structure.
EEC NO. E451
CAS NO. 7758-29-4
Product Introduction
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Sodium Tripolyphosphate
Sodium tripolyphosphate, White powder with a melting point of 622°C. It has significant chelating ability to metal ions such as calcium and magnesium ions. It can soften hard water and turn suspension into a solution. It is weakly alkaline and non-corrosive. It is an inorganic surfactant. It has a strong emulsification effect on lubricating oil and fat. Bulk density is usually divided into low density 0.35-0.5g/cm3, medium density 0.51-0.65g/cm3, high density 0.66-0.9g/cm3.
TECHNICAL INDEX:
ITEMS | SPECIFICATION |
ASSAY (%) Na5P3O10 | ≧ 85 |
P2O5 (%) | 56.0-58.0 |
Heavy Metals (mg/kg) | ≦10 |
Water insoluble (%) | ≦0.1 |
Lead | ≦4 |
Fluoride (mg/kg) | ≦50 |
Arsenic (As)(mg/kg) | ≦3 |
APPLICATIONS:
In the food industry, it is used as an improver for canned food, fruit juice drinks, dairy products, soy milk, etc. It is mainly used for the tenderization of canned ham and canned broad beans to soften the skin of soybeans. It can also be used as a softener and thickener.

PACKING:
It is packed with polyethylene bag as inner layer,and a compound plastic woven bag as the outer layer.The net weight of each bag is 25 Kg
SHELF LIFE:
24 months in unopened original packaging under the storage conditions.
STORAGE & TRANSPORATION:
This product should be stored in a dry, ventilated and clean warehouse. It should be handled with care during loading and transportation to prevent damage to the packaging, moisture and heat, and prevent rain and moisture during transportation, and should be isolated from toxic materials
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