SODIUM TRIPOLYPHOSPHATE
1.BASSIC INFORMATION
Alias: STPP
Formula: Na5P3O10
Molecular weight: 367.86
CAS NO.: 7758-29-4
HS Code: 283531900
EINECS: 231-838-7
2.PROPERTIES
Appearance: White granular crystal or powder
Type: Industrial Grade
Density: 0.35~0.90g/cm3
Melting point: 622ºC
Solubility: Soluble in water, its aqueous solution is alkaline. 20 g/100 mL (20ºC).
Characteristics: It not only has complexing ability to alkali metal and metal salt, but also can soften water, adjust and buffer the PH value of saponification, and has the ability of ion exchange.
3.APPLICATIONS
It is used as auxiliary agent for washing products, and also can be used in petroleum, metallurgy, mining, papermaking, water treatment,etc.
4.TECHNICAL INDEXES (GB/T9983-2004)
| Item |
Industrial Grade |
| Excellent grade |
First grade |
Second grade |
| Na5p3o10, % ≥ |
96 |
90 |
85 |
| P205, ≥ % |
57.0 |
56.5 |
55.0 |
| Water insoluble, ≤ % |
0.10 |
0.10 |
0.15 |
| Iron, ≥ % |
0.007 |
0.015 |
0.030 |
| Whiteness, ≥ % |
90 |
85 |
80 |
| PH value |
9.2~10.0 |
| Particle size |
Through 1.00mm mesh sieve≥95% |
5.PACKAGING
PP and PE composite woven bags, inner vacuum treatment: 20kg/bag, 25kg/bag, 1000kg/bag, net weight and pattern can be customized.
6.TRANSPORTATION & STORAGE
Avoid rain when transporting, keep away from moisture and pollution, do not store and transport with toxic substances and pollutants. Please store in a dry, well-ventilated warehouse with damp-proof pads.
FAQ
Q: Can I get a sample before placing an order?
A: Yes, we are the factory and provide samples for you.
Q: Delivery Time:
A: Our products will be in stock after production, and can be delivered within 3 days.
Q:Port near factory
A:Tianjin or Qingdao port,Dear guests, you can specify any port.
Q: The time for deliver our products to Tianjin or Qingdao port:
A: 1-2 days.
Q: What is your terms of payment?
A: Payment<=1000USD,100% in advance. Payment >= 1000USD,50% T/T in advance, balance before shippment.
Q: Are you trading company or manufacturer?
A: We are factory.
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