THPS 75% (Tetrakis Hydroxymethyl Phosphonium Sulphate)
THPS 75% (Tetrakis Hydroxymethyl Phosphonium Sulphate)
UD Trading is a THPS 75% biocide supplier in Australia, supplying THPS 75% (tetrakis(hydroxymethyl)phosphonium sulphate) as a clear, colourless to pale yellow liquid in IBCs or drums. Every batch comes with a Certificate of Analysis and is supplied against a controlled specification and Safety Data Sheet.
Product Specifications
- Chemical Name: Tetrakis(hydroxymethyl)phosphonium sulphate, 75% aqueous solution
- Chemical Formula: [(HOCH2)4P]2SO4
- Other Names: THPS, Bis[tetrakis(hydroxymethyl)phosphonium] sulphate
- CAS No: 55566-30-8
Applications of THPS 75%
- Oilfield water treatment
- Drilling, completion and fracturing fluids
- Injection and produced water
- Industrial cooling water
Why buy from a THPS 75% supplier in Australia with ISO 9001 systems
We supply THPS 75% against a written specification, with a Safety Data Sheet and a Certificate of Analysis for every batch. Our quality system is ISO 9001:2015 certified and our Brisbane-based team supports customers across Australia. See all our oil and gas chemicals and water treatment chemicals, or contact us for a quote. Chemical identity reference: CAS 55566-30-8 on CAS Common Chemistry.
THPS 75% FAQ
How is THPS 75% packed?
Supplied as IBC / Drum. Contact us about other pack sizes.
What is the CAS number of THPS 75%?
CAS 55566-30-8. Refer to the Safety Data Sheet for full identification and handling details.
Is THPS 75% dangerous goods?
UN 2810, Class 6.1 (Toxic), Packing Group II, Marine Pollutant. Industrial use only. Follow the SDS for handling and storage.
Product Overview
THPS 75% (CAS 55566-30-8), tetrakis(hydroxymethyl)phosphonium sulphate, is a biocide supplied as an aqueous solution containing at least 75 % THPS. Appearance: clear, colourless to pale yellow liquid. Typical uses include: oilfield water, drilling, completion and fracturing fluids, injection and produced water, and industrial cooling water. UD Trading supplies THPS 75% in IBCs and drums, backed by a controlled product specification and Safety Data Sheet, with a Certificate of Analysis for every batch. For industrial use only.
Additional Product Specifications
- Appearance: Clear, colourless to pale yellow liquid (Visual)
- THPS content (assay): ≥ 75.0 % (Iodometric titration)
- Density (25 °C): 1.35 – 1.42 g/cm³ (Density meter)
- pH (as supplied): 2.5 – 5.0 (pH meter)
- Viscosity (25 °C): 30 – 36 mPa·s (Rotational viscometer)
- Iron (Fe): ≤ 0.002 % (ICP-OES)
- Product code: THPS75S
- Packaging: IBC / Drum
- Dangerous goods: UN 2810, Class 6.1, PG II, Marine Pollutant
Typical properties and acceptance criteria per UDT_SPEC_THPS 75%_v01. Refer to the batch Certificate of Analysis for actual results.
Applications of THPS 75%
- Oilfield water treatment
- Drilling, completion and fracturing fluids
- Injection and produced water
- Industrial cooling water
Why Choose UD Trading for THPS 75%
UD Trading supplies THPS 75% with full quality documentation.
- Controlled specification and Safety Data Sheet, reviewed under our document control system.
- Certificate of Analysis supplied with every batch.
- Brisbane-based team supporting customers across Australia.
Product Documents
Download Specification Download SDSA Certificate of Analysis (COA) is supplied with every batch.
Contact UD Trading for THPS 75%
Contact us for pricing, availability and documentation for THPS 75%. Call 07 3040 7298 or email sales@udtrading.com.au.

