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STPP (Sodium Tripolyphosphate)

STPP (Sodium Tripolyphosphate)

CAS Number: 7758-29-4

Molecular Formula: Na5P3O10

About STPP (Sodium Tripolyphosphate)

Sodium Tripolyphosphate (CAS 7758-29-4) functions as a cornerstone sequestration agent in the United States institutional and industrial cleaning sector, where a bulk chemical supplier must navigate evolving state-level phosphorus regulations while catering to high-demand applications in automatic dishwashing detergent...

STPP (Sodium Tripolyphosphate) Specifications

CAS Number
7758-29-4
Molecular Formula
Na5P3O10
IUPAC Name
Pentasodium triphosphate
Canonical SMILES
[O-]P(=O)([O-])OP(=O)([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+].[Na+]
InChI Key
HWGNBUXHKFFFIH-UHFFFAOYSA-I
PubChem CID
24455
HSN No
28353100
Precautionary Statement Codes
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501
Hazard Classes and Categories
Skin Irrit. 2 (100%) Eye Irrit. 2A (100%)

Detergent Builder

A primary component used in the formulation of laundry and automatic dishwashing detergents to sequester hardness ions, buffer pH, and emulsify soils for enhanced cleaning efficiency

Food Additive

A versatile preservative and quality improver employed in meat, poultry, and seafood processing to improve moisture retention, stabilize texture, and maintain natural color

Water Treatment Agent

An effective industrial sequestrant and water softener used to prevent mineral scale formation in boilers, cooling systems, and industrial sanitation processes

Deflocculant and Dispersant

A specialized chemical agent used in ceramics manufacture, oil-well drilling muds, and textile processing to prevent particle aggregation and maintain stable suspensions.

STPP (Sodium Tripolyphosphate) FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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