Manufacturer Supply Sodium Tripolyphosphate (STPP) Technical Grade Na5P3O10
-
$1500.00 / 1 - 99 metric tons
$1280.00 / >=100 metric tons - 1 metric ton
- Shandong Dingxin Biotechnology Co., Ltd.
- Shandong, China
- Mr DING XIN
Product Detail
| CAS number: | 7758-29-4 | IF: | Na5P3010, Na5P3O10 |
| Certification: | ISO9001 | Water insoluble matter: | <0.05 |
| purity: | 96%, 99%min | Packaging Details: | 25KG/BAG or 50KG/BAG PP bag can load about 18 tons in a 20ft container. |
| place of origin; place of origin: | Shandong China | Supply capacity: | 1200 metric tons per month |
| Package preview: | port: | Qingdao | |
| application: | Detergent dyeing and ceramics, detergent, food, water | payment terms: | L/C, D/P, T/T |
| Classification: | Phosphate | model: | Tripolyphosphate |
| pack: | 25kg/bag/box/drum | Types of: | IC-2005 |
Food Grade Best Price STPP Sodium Tripolyphosphate
Product Description
Specification
The quality is good and the price is right!
Chemical formula: Na5P3O10
Molecular weight: 367.86
Purity: 94%min
Chemical formula: Na5P3O10
Molecular weight: 367.86
Purity: 94%min
◆Na5P3O10
◆Technical/food grade
◆ powder
◆CAS No. 7758-29-4
◆Technical/food grade
◆ powder
◆CAS No. 7758-29-4
Provide free samples
ISO, CIQ, SGS, BV certificates
Sodium tripolyphosphate (STPP), the sodium salt of the pentaanion of polyphosphate, also known as pentasodium tripolyphosphate or sodium triphosphate (as distinct from trisodium phosphate), is a synthetic ingredient used primarily for water retention in fish. Its European food additive number is E451(i).
property
White granule or powder, apparent density 0.35-0.90g/cm3, melting point 622℃. Soluble in water, the aqueous solution is alkaline. Hydrolyzed into orthophosphate in water, complexed with calcium, magnesium, iron and other metal ions to form soluble complexes. As an inorganic surfactant, it has some properties of organic surfactants.
Specification
Specification | Standard value (technical) | Standard value (food) |
Content (Na5P3O10), W/% ≥ | 85 | 94 |
Phosphorus pentoxide, w/% | 56.0-58.0 | 56.5 |
Insoluble matter, w/% ≤ | 0.1 | 0.1 |
Heavy metals (calculated as Pb), mg/kg ≤ | 10 | |
Lead (Pb), mg/kg ≤ | 4 | |
Arsenic (As), mg/kg ≤ | 3 | |
Fluoride (F), mg/kg ≤ | 10 | |
Loss on drying (550℃, 30m), w/% ≤ | 0.5 | |
pH value in 1% aqueous solution | 9.5-9.9 | 9.2-10.0 |
Cyclic phosphate, w/% ≤ | 2 | |
Iron, w/% ≤ | 0.007 | |
Whiteness, w/% ≤ | Post-90s |
usage
In food:Uses of stpp include its use as a preservative. Sodium tripolyphosphate STPP can be used to preserve foods such as red meat, poultry and seafood, helping them retain their tenderness and moisture. In the food industry, it is used as a quality improver in the processing of canned food, juice drinks, milk or soybean food.
In industry:
Used as one of the main auxiliaries for synthetic detergents, synergists for soap; water softener, tanning agent for tanning, dyeing auxiliaries; used as anti Oil stain agent, anticaking agent, retarder, flame retardant, papermaking, anticorrosion pigment, textile, rubber manufacturing, fermentation, antifreeze. As polyanionic cross-linkers in polysaccharide-based drug delivery
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