Sodium tripolyphosphate CAS#7758-29-4

Sodium tripolyphosphate CAS#7758-29-4

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Effective builder in detergents – Enhances cleaning power by preventing scale formation through strong metal ion chelation.

Water softening agent – Softens hard water, improving detergent performance and protecting appliances.

Food preservative – Retains moisture in seafood and meat, helping maintain freshness and texture.

Stable crystalline forms – Available in multiple forms, with Phase II offering optimal stability for industrial applications.
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Product Description

Melting point

622 °C

bulk density

1000kg/m3

density

2.52 g/cm3 (20℃)

vapor pressure

<0.1 hPa (20 °C)

refractive index

1.658

storage temp.

Storage temperature: no restrictions.

solubility

H2O: may be clear to slightly hazy

form

Powder/Solid

color

White

Odor

Odorless

PH

9.0-10.0 (25℃, 1% in H2O)

PH Range

9.5 - 10.3 at 1 g/l at 20 °C

Water Solubility

20 g/100 mL (20 ºC)

Sensitive

Hygroscopic

Merck

14,8697

Stability:

Stable. Incompatible with strong oxidizing agents, strong acids. Hygroscopic.

InChIKey

HWGNBUXHKFFFIH-UHFFFAOYSA-I

LogP

-4.691 (est)

CAS DataBase

Reference

7758-29-4(CAS DataBase Reference)

EPA Substance Registry System

Sodium tripolyphosphate (7758-29-4)

Safety Information

Hazard Codes

Xi

Risk Statements

36/37/38

Safety Statements

26-36-24/25

WGK Germany

1

RTECS

YK4570000

F

3

TSCA

Yes

HS Code

28353110

Hazardous

Substances Data

7758-29-4(Hazardous Substances Data)

Toxicity

LD50 orally in rats: 6.50 g/kg (Smyth)


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Packaging And Shipping

We provide fully compliant, safe and customizable packaging solutions for Sodium Hydroxide, Calcium Chloride, Sodium Carbonate, Potassium Hydroxide and all our industrial chemical products. All packaging strictly follows UN, IMDG and IATA international transport standards, with anti-leakage, moisture-proof and corrosion-resistant design. We also offer professional loading, container reinforcement and full-process traceable global shipping services, ensuring your goods arrive safely and on time at any destination worldwide.

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