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Polyferric Sulfate

Polyferric Sulfate

Basic Information

CAS No.: 10028-22-5
Molecular Formula: Fe2(SO4)3
Molecular Weight: 399.88

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Product Details

Polyferric sulfate is a high-quality, high-efficiency inorganic polymer flocculant. It exists as a light yellow amorphous powder or liquid and is readily soluble in water. It features low dosage requirements, rapid floc formation, fast settling rates, and good sludge dewatering performance. In water treatment processes, it effectively removes suspended solids, organic matter, heavy metals, and phosphorus from water, with a wide pH application range. The residual iron content in treated water is low, and there is no secondary pollution from aluminum ions. It is widely used for the purification of drinking water, industrial wastewater, and municipal sewage.


Chemical Properties

PropertyValue
Melting point

480°C

Boiling point

101-118 °C

Density

3.097

Vapor pressure

0Pa at 20℃

Storage temp.

Keep in dark place,Inert atmosphere,Room temperature

Solubility

slightly soluble in ethanol; insoluble in acetone

Form

Powder

Color

Yellow-gray

Water Solubility

Soluble in water. Sparingly soluble in alcohol. Almost insoluble in acetone and ethyl acetate. Insoluble in sulfuric acid and ammonia.

Sensitive

Hygroscopic

Merck

14,4032

Exposure limits

ACGIH: TWA 1 mg/m3NIOSH: TWA 1 mg/m3

LogP

-1.031 (est)

CAS DataBase Reference

10028-22-5(CAS DataBase Reference)

NIST Chemistry Reference

Ferric sulfate(10028-22-5)

EPA Substance Registry System

Ferric sulfate (10028-22-5)


Safety Information

PropertyValue
Hazard Codes

Xn

Risk Statements

22-36/37

Safety Statements

26

RIDADR

UN 9121

WGK Germany

3

RTECS

NO8520000

TSCA

Yes

HS Code

2833298080

Hazardous Substances Data

10028-22-5(Hazardous Substances Data)


Product Usage

Polyferric sulfate is a highly effective inorganic polymer flocculant widely used in water treatment. In drinking water and industrial wastewater treatment, it quickly neutralizes the negative charges on the surface of colloidal particles and forms large, dense flocs through adsorption bridging, efficiently removing suspended solids, organic matter, heavy metal ions, and phosphorus. It is particularly suitable for treating low-temperature and low-turbidity water, printing and dyeing wastewater, oily wastewater, and municipal sewage. Compared to traditional aluminum salts, it offers advantages such as lower dosage requirements, faster flocculation rates, lower sludge production, a wide pH application range (4–11), and no aluminum ion residue. Additionally, it is highly effective in sludge dewatering and decolorization of dyeing wastewater.

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