Share on (1600892497019):
Top manufacturer of Sodium tripolyphosphate (STPP) CAS: 7758-29-4 STPP powder Sodium Tripolyphosphate 94% STPP

Sodium tripolyphosphate (STPP)
Sodium Tripolyphosphate(STPP)
CAS No: 7758-29-4
Main content: 94%min
Molecular formula: Na5P3O10
Molecular weight: 367.86
Industrial and food grade
Package: 25kg/bag or 1ton/bag
Sodium Tripolyphosphate (STPP) Executive standard: GB/T9983-2004 (industrial grade), GB25566-2010 (food grade)
STPP characteristics:
White granular or powdery, apparent density 0.35-0.90g/cm3, melting point 622℃. Easily soluble in water, the aqueous solution is alkaline, and the pH of 1% aqueous solution is 9.7. It is gradually hydrolyzed into phosphite in water and has a good ability to complex metal ions. It can complex with calcium, magnesium, iron and other metal ions to form soluble complexes. Can soften hard water. As an inorganic surfactant, it has the properties of a certain organic surfactant.
STPP Uses:
Mainly used in synthetic detergents as additives, soap synergists and to prevent the precipitation and blooming of bar soap grease. It has a strong emulsification effect on the fat of lubricating oil. It can be used to adjust the pH value of buffer soap, water softener for industrial water, tanning pre-blending agent, dyeing auxiliary, paint, kaolin, magnesium oxide, calcium carbonate and other industries. Used as a dispersant in suspension, as a dispersant in drilling mud, and as an anti-greasy agent in the paper industry.
Packaging and storage:
Plastic woven bags and paper bags, each with a net weight of 25, 50, 1000Kg, stored in a ventilated and dry place.
The technical requirements are as follows:
| Indicator name | index | ||
Premium grade | First grade | Qualified product | |
Sodium tripolyphosphate (calculated as Na5P3O10), w/%≥ | 96 | 90 | 85 |
Phosphorus pentoxide (calculated as P2O5),w/%≥ | 57.0 | 56.5 | 55.0 |
Water insoluble matter%≤ | 0.10 | 0.10 | 0.15 |
(Fe)%≤ | 0.007 | 0.015 | 0.30 |
PH value (1% solution) | 9.2-10.0 | ||
BaiDu%≥ | 90 | 80 | 70 |
Residue on test sieve with particle size of 1.00mm%≤ | 5.0 | ||
Arsenic (AS), w/%≤ | 0.0003 | ||
Heavy metal(Pb),w/%≤ | 0.001 | ||
Fluoride(F),w/%≤ | 0.005 | ||
lead(Pb),w/%≤ | 0.0004 | ||
Packing Photos:


Shipping:
Shipping by sea , by air or express for quantity lower than 100kg.

Lifelong Chemical Co., Ltd is a professional export-oriented company with a history of twenty years, mainly specialized in Food Ingredients, Nutritional Supplements and Fine Chemicals etc. The company has achieved ISO9001: 2008 quality system verification and registration.
With our professional services, efficient solution, high quality products and competitive prices, Lifelong Chemical have realized rapid development, and our products have been exported to USA, North America, South America, Europe, Asia and Africa etc, enjoying extremely high reputation and praised by wide customers. We always uphold the principle of honesty and trustworthiness.
We are devoted to Excellent quality and reasonable cost.
We work hard to develop together with our customers.
Looking forward to Co-development with friends from all of the world.


FAQ
Q1: Are you a manufacturer?
A: Yes, We are the manufacturer and in this product line for more than 20 years. Meanwhile, we also agent export other chemical products.
Q2: Are the samples available?
A: Yes, We know well the importance of product quality. The free test samples usually 100g-500g will be specially applied to be arranged. Due to the huge sample expenses, one small request is customers pay the express delivery cost, but which will be deducted from the amount of next bulk order.
Q3: What certificates and documents do you offer?
A: The following certificates are available, such as COA, MSDS,ISO, SGS Inspection report,HALAL, Kosher,Health Certificate ,FORM A ,FORM E and CIQ certificate etc.
Q4: Why should I choose you?
A: We have more than 20 years experiences in chemical industry.
* Supply Full range of chemical material
* Consistent Quality. Our plant has strict quality control in each manufacturing process. And Our goods passed BV,ISO9001 and SGS which quality can be control and guaranteed.
* Most competitive pricing
* Shortest delivery time. 90% of orders are shipped within 7-10 days after receipt of the prepayment or workable L/C. Also, our factory have five production lines and one backup production line,can support any urgent orders.
* Respond in 12 hours to inquiry, feedback or other requirements
We welcome you to contact us for more information and look forward to working with you.
Q5: Can I get the best price from you?
A: Of course. We don't chase high profits and always try to offer the best prices hopefully establishing a win-win and long term cooperation relationship.
Q6: How should I pay?
A: We accept all kinds of payment ways. such as Alibaba trade Asssurance, T/T, L/C, West union, Paypal etc.
Q7: How we order from you?
A: It’s simple, email us your inquiry or call us directly. The detailed quotation will be sent to you immediately.
Q8: What’s your company management philosophy?
A: Abide by the promise, Seeking truth from facts, Genuine products, Delivery on time.
“One Lifetime, One thing; Less but better” We only promise what we can do.
LIFELONG CHEMICAL CO., LTD
New products from manufacturers at wholesale prices