How should STPP be stored?

Store in a cool, dry place with packaging sealed. Avoid moisture and high humidity, as anhydrous material tends to cake when exposed to moisture. Keep away from direct sunlight.

Is sample support available?

Yes. Samples are available for lab testing and evaluation. Please contact us for sample requests.

Sodium Tripolyphosphate STPP for Detergent and Water Softening

Name: Sodium Tripolyphosphate STPP for Detergent and Water Softening
Brand: Qingdao New Sanda Industry Co., Ltd.
SKU: 2184087232

Shandong, ChinaQingdao New Sanda Industry Co., Ltd.

US$1.40-1.60

25 kg

Product specifications

bag

Sample price:US$0.10/kg.Request sample

Product profile

Customization

Available

CAS No.

7758-29-4

Formula

Na5p3o10

Model NO.

STPP

EINECS

231-838-7

Certification

CCIC

Purity

90%~99%

Type

Sodium Tripolyphosphate

Grade Standard

Food Grade

Transport Package

Ocean Shipping /Air Transportation

Specification

25kg/bag

Trademark

NEWSANDA

Origin

China

HS Code

2835311000

Production Capacity

2000tons Per Year

Key features

Key reducing agent for Ni-P alloy coatings. Produces dense, uniform, and corrosion-resistant layers. Used in electronics, machinery, aerospace, and oil industries.

Enables surface metallization of plastics, ceramics, glass, and quartz. Allows non-conductive materials to achieve conductive and decorative metal finishes .

Functions as a corrosion inhibitor and scale inhibitor. Used in industrial boiler water treatment and oilfield applications to prevent scale and corrosion .

Acts as a catalyst, stabilizer, antioxidant, and dispersant. Used in polymerization reactions, textile finishing, food additives synthesis .

White crystalline powder with high solubility and stable pH. Available in high-purity grades (101-103%). Meets rigorous industrial standards for reliable performance .

Company profile

Qingdao New Sanda Industry Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-05-03Nearest Port: QINGDAO, TIANJINAverage Response Time: ≤5.63hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FCA

AI-Powered supplier vetting

SummaryQingdao New Sanda Industry Co., Ltd. is a Chinese company that operates as both a trading company and a manufacturer, specializing in the global distribution of industrial additives. The company is ISO-certified and emphasizes technical innovation and customization in collaboration with international clients. It has a strong export orientation, with 90% of its sales from exports, and is expanding in emerging markets. The company provides comprehensive after-sales support and operates under flexible payment terms. Its production and quality control are supported by significant staff experience and two production lines.

Supplier typeQingdao New Sanda Industry Co., Ltd. functions as both a trading company and a manufacturer, indicating a dual capability in both production and distribution.

CertificationsThe supplier holds multiple ISO certifications including ISO 9000 and ISO 14001, signifying robust management systems in quality and environmental management.

After-Sales capabilityThe company provides multilingual documentation and tailored technical support, showcasing strong after-sales service capabilities.

R&D capabilityThe company is engaged in technical innovation and market-responsive product development, with a dedicated R&D team working on customized solutions.

Production capacityWith an annual production output between US$5 Million and US$10 Million and two production lines, the company shows a moderate production capability.

Customization capabilityThe company collaborates closely with clients to deliver customized formulations, indicating strong customization capabilities.

Product Q&A

Q:What is STPP used for?

STPP is a versatile chemical used as a water softener, dispersant, emulsifier, and food additive. It is widely used in detergents, ceramics, water treatment, and food processing.

Q:What is the recommended dosage in food?

Dosage depends on the food category. For canned food and juice drinks, the limit is 1.0g/kg. For meat products, dairy, and ice cream, the limit is 5.0g/kg. Check local regulations for specific applications.

Q:Is STPP safe for use?

Yes. The acceptable daily intake (ADI) is 0-70mg/kg (based on phosphorus). The oral LD50 in rats is 4g/kg. It is considered safe when used within regulatory limits.

Q:How does STPP work?

It chelates metal ions like calcium and magnesium, softening hard water. It also provides pH buffering, emulsifies oils, and helps disperse particles.

Q:Does STPP dissolve in water?

Yes. It dissolves easily in water. At room temperature, about 14.5g can dissolve in 100ml of water. Its 1% aqueous solution has a pH of about 9.7.