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THPS 75% Tetrakis Hydroxymethyl Phosphonium Sulfate
RAW MATERIAL
THPS

THPS 75% Tetrakis Hydroxymethyl Phosphonium Sulfate

THPS 75% Tetrakis Hydroxymethyl Phosphonium Sulfate is a colorless, slightly acidic liquid used in industrial applications requiring stable phosphonium-based chemical performance.

Chemical Name
Tetrakis Hydroxymethyl Phosphonium Sulfate
Molecular Weight
406.28 g/mol
Molecular Formula
C8H24O12P2S
EINECS
259-709-0
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PRODUCT OVERVIEW

Product Description

THPS 75% Tetrakis Hydroxymethyl Phosphonium Sulfate is a colorless, transparent and slightly acidic liquid with stable chemical properties. THPS is a water-compatible phosphonium compound supplied as a concentrated liquid solution. It is used in selected industrial applications, including microbial-control systems and flame-retardant treatment of textile materials. Its commercial quality is evaluated through active content, viscosity, relative density, iron content and pH.
KEY PROPERTIES

Product Characteristics

Colorless and transparent liquid.
Slightly acidic.
Stable chemical properties.
Water-compatible phosphonium compound.
Used in selected industrial microbial-control and textile applications.
TECHNICAL SPECIFICATIONS

Specification Data

Specification Standard
Appearance Achromaticity liquid
Content by wt % 75 min
Viscosity (25°C) by MPA·S 30.0 - 36.0
Relative density (25°C) 1.350 - 1.420
Iron (Fe) by wt % 0.002 max
pH value 2.5 - 5.5
APPLICATIONS

Typical Uses

✓
Used in selected industrial microbial-control applications.
✓
Used in flame-retardant treatment applications for cotton and polyester-cotton materials.
STORAGE & HANDLING

Handling Guidance

Store in suitable sealed packaging in a cool and well-ventilated storage area. Keep the product separated from incompatible materials and food-related chemicals. Storage and handling requirements should follow the applicable supplier SDS, COA and technical documentation.
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