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Sodium Tripolyphosphate (Food Grade, Kosher)
Sodium tripolyphosphate, also known as sodium triphosphate or STPP, is mainly consumed as a component of commercial detergents. It serves as a builder or water softener, particularly in hard water containing high concentrations of magnesium and calcium ions. In such conditions, detergents can be deactivated. However, STPP, being a highly charged chelating agent, tightly binds to calcium and magnesium ions, preventing their interference with sulfonate detergent performance.
STPP is not only used in detergents but also serves as a preservative for seafood, meats, poultry, and animal feeds. In the food industry, it is commonly known as E451 and finds usage as an emulsifier and moisture retainer. Many governments regulate the quantities allowed in foods, as STPP can substantially increase the sale weight of seafood. The United States Food and Drug Administration recognizes STPP as "generally recognized as safe."
Sodium tripolyphosphate is available in low density, medium density, and high-density granular powders. The specific product being described here is a medium density variant. It is categorized as food (FCC) grade, granular, medium density, and Kosher-certified. Besides its primary uses in water softening and as a sequestering agent, STPP can also function as a peptizing or deflocculating agent. Furthermore, it has applications in detergents, soaps, and ceramics.
The chemical structure of sodium tripolyphosphate is [Na5P3O10]n. It is also known by synonyms such as sodium triphosphate, triphosphoric acid pentasodium salt, sodium phosphate tripoly, STPP, pentasodium triphosphate, and pentasodium tripolyphosphate. The product is packaged in 50-lb bags by the original manufacturer, while smaller quantities are repacked for laboratory, research, and industrial uses. The CAS number for sodium tripolyphosphate is [7758-29-4][Na5O10P3]n.
Sodium tripolyphosphate exhibits low toxicity, making it a safe choice for various applications.
Key Features:
- Effective detergent component and water softener
- Chelating agent that prevents interference with sulfonate detergents
- Preservative for seafood, meats, poultry, and animal feeds
- Emulsifier and moisture retainer in food production
- Regulatory compliance and recognized as safe by FDA
Product Specifications:
| Chemical Structure | [Na5P3O10]n |
| Synonyms | Sodium triphosphate; Triphosphoric acid, pentasodium salt; Sodium Phosphate Tripoly; STPP; pentasodium triphosphate; Pentasodium Tripolyphosphate |
| Grade | Food (FCC) Grade, Granular, medium density, Kosher |
| Uses | Water softening, sequestering, peptizing or deflocculating agent. May also be used for detergents, soaps, and ceramics. |
| CAS # | [7758-29-4][Na5O10P3]n |
Similar Products:
- TripoClean - Advanced Water Softening Agent
- DetergoMax - Premium Detergent Builder
- Preservitex - Effective Food Preservative
- MoistureLock - Food Emulsifier and Moisture Retainer
- ChelaGuard - Powerful Chelating Agent for Industrial Use
Note: These are similar products, and each product is different, so research is required to find the best fit for your needs.
Caution: Sodium tripolyphosphate is generally safe for use as directed. However, individuals with specific allergies or sensitivities should exercise caution and consult a healthcare professional if necessary.
Perfect for detergent manufacturers, food producers, and industries seeking versatile water softeners, preservatives, and chelating agents.
Chromium Oxide Green (Chromic Oxide; Chromium(III) Oxide)
Chromium(III) oxide (Cr₂O₃), also known as chromic oxide, is an inorganic compound and a principal oxide of chromium. Renowned for its stability and vibrant green hue, it serves as a green pigment in paints, inks, glasses, and ceramic glazes. When used in glazes, Cr₂O₃ creates a range of green shades, including lime green, kelly green, and black. Its green tones can be modified with small additions of other oxides, like cobalt or copper oxide. Chromium oxide green is also used in polishing pastes, catalysts, and as an advanced green pigment for various industries.
Product Specifications
| Chemical Formula | Cr₂O₃ |
| Purity | 99.24% |
| Average Particle Size | 8 Micron |
| Color Index | Pigment Green 17 (77288) |
| Moisture | 0.03% |
| Aluminum (Al) | 0.063% |
| Calcium (Ca) | 0.009% |
| Carbon (C) | 0.017% |
| Chromium (Metallic) | 0.004% |
| Chromium (Hexavalent, Cr⁶⁺) | <0.0001% |
| Iron (Fe) | 0.051% |
| Magnesium (Mg) | 0.001% |
| Phosphorus (P) | <0.001% |
| Silicon (Si) | 0.011% |
| Sodium (Na) | 0.008% |
| Sulfur (S) | 0.008% |
| Vanadium (V) | 0.008% |
Applications and Benefits:
- Advanced green pigment in paints, inks, and ceramics
- Ceramic glaze producing diverse green and black hues
- Catalyst and analytical reagent
- Smelting metal chromium and chromium carbide
- Polishing pastes and special inks
- Building material stains and artificial leather coloring
Caution:
Handle with care. Avoid inhalation or ingestion. Refer to the SDS for detailed safety guidelines.
Silver Powder, Fine Spheres, >99%
Fine silver powder with spherical particles, 3-8 microns in size, and >99% purity. Suitable for alloy production, chemical applications, silver clay, specialty ceramics, conductive gasket seals, and conductive pastes.
Product Specifications
| Purity | >99% |
| Particle Shape | Spherical |
| Particle Size | 3-8 microns |
Applications and Benefits:
- Alloy production for various industries.
- Used in specialty ceramics manufacturing.
- Essential for silver clay creations.
- Forms conductive gasket seals.
- Perfect for conductive pastes and coatings.
- Applicable in chemical processes requiring high-purity silver.
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