Sodium Tripolyphosphate (STPP) 99% Purity for Detergent and Cleaning Applications

• Customization: Available
• CAS No.: 13472-35-0
• Formula: Nah2po4.2H2O, Nah2po4
• Model NO.: 20250115-Jane Ma-02
• EINECS: 231-449-2
• Resource: Natural
• Purity: 98%
• Grade Standard: Food Grade
• Storage: Cool Dry Place
• Transport Package: 1kg Per Foil Bag
• Specification: sodium dihydrogen phosphate 98-103%
• Trademark: N/M or According to Clients
• Origin: China

Product Description

1. Chemical name: sodium dihydrogen phosphate

2. Molecular formula: NaH2PO4, NaH2PO4-H2O, NaH2PO4-2H2O

3. Molecular weight: Anhydrous: 120.01; Monohydrate: 138.01; Dihydrate: 156.01

4. CAS: Anhydrous: 7558-80-7; Monohydrate: 10049-21-5; Dihydrate: 13472-35-0

5. Properties: white crystalline powder or granule. Odorless. Slightly deliquescent. The relative density is 2.04. The melting point is 60°C. soluble in water. Insoluble in ethanol, can be dissolved in crystal water to form monohydrate salt when heated below 10°C. When heated to 100°C, it loses crystal water and becomes anhydrous, and when heated continuously, it becomes sodium metaphosphate.

6. Uses: buffering agent, quality improver, emulsifier, nutritional supplement, antioxidant synergist, salt water penetration aid, sugar clarifying agent, stabilizer, gelling agent, poultry scalding agent.

7. Packaging: Inner lined with polyethylene plastic bag, outer layer in composite plastic woven bag, net weight of each bag is 25kg.

8. Storage and transportation: This product should be stored in a dry, ventilated and clean warehouse. When loading and transporting, it should be handled with care to prevent damage to the package, prevent moisture and heat, and prevent rain and moisture during transportation. It should be isolated from toxic substances.

Index	Standard
Purity(Na5P3O10) by wt %	94.0 min
P2O5 by wt %	56.5 min
Pyrophosphate (Na4P2O7) by wt %	4.0 max
Orthophosphate and Metaphosphate by wt %	2.0 max
Iron content (as Fe) by wt %	0.01 max
Water Insoluble by wt %	0.10 max
Bulk Density by g/ml	0.9~1.15
Phase I by wt %	15~40
Whiteness %	85 min
PH value (1% solution)	9.2~10.3
Particle Size (100mesh pass by wt %)	95 min

 

Detailed Photos

Applications

1.STPP tech grade is used as additive in detergent synthesis, ceramics production, soap synergist.
2.Has strong emulsifying property to lubricant and fat, to adjust the PH value of buffer liquid soap.
3. Water softener and buffering agent in detergent industry
4. Quality modifier, pH adjustment, water reserving agent and other functions in food industry
5. Paper making
6.Dispersing agent in oil drilling mud
7. Ceramic, mining, water treatment industry and etc.

Function in detergent industry:

STPP is a good auxiliary in detergent industry, the usual dosage is about 10~35%, the function of STPP in detergent system are:

1. Soften the hard water by reacting with metal ions of Ca²⁺, Mg²⁺, Fe³⁺ and others to make them from insoluble to soluble Na₅P₃O₁₀+Ca²⁺ ---> Na₃(CaP₃O₁₀)+2Na⁺
2. Enhancing the emulsifying and dispersing power, to increase the solubility of protein and dust which normally existing in the fabrics from daily life
3. Buffering agent, to make the pH value of detergent solution on the level of 9~9.5, so that those acid dirt can be easily removed from fabrics
4. Anti-caking agent for detergent powder. Since detergent powder is easily caking in exposed air, STPP can absorb the moisture and become Hexahydrate, which is dry and free flowing.

Company Profile

 

DL Eastland  is trade-based business,Main products include petroleum chemicals, organic intermediates, inorganic chemicals, organic chemicals, food additives, feed additives, pharmaceutical chemicals, agrochemicals, dyestuffs & pigments, and biochemical chemicals etc

 

Packaging & Shipping

 

Other products we produce

 

We are a professional Chemical production suppliers

- We are the factory that can produce the products you want.

- The quality of our products meets European and American standards.

- With our professional foreign trade team, you will be satisfied with our service.

FAQ

Do you have a factory?

Yes, we have factory which is specializing in manufacturing All chemicals

 

Where does your factory locate at?

Our factory is located at Dalian

 

What is your lead time?

It depends on the order quantity and the season you place the order.

 

Can I get a sample to check quality ? is there any fee for it ?

You can get our free samples, but you need to pay the freight

 

How can l confirm for proceed the bulk? What's the guarantee of product quality?

Always a pre-production sample for your approval before mass production;

Always final lnspection before ship.

 

What's your payment term ?

TrT, Western Union, MoneyGram, and Paypal,etc.This is negotiable.

 

What is the shipping method?

lt could be shipped by sea,by air or by express (EMS,UPS,DHL,TNT,FEDEX and ect).