CAS NO:55566-30-8 THPS/Tetrakis(hydroxymethyl)phosphonium Sulfate

CAS NO:55566-30-8 THPS/Tetrakis(hydroxymethyl)phosphonium Sulfate

Molecular Formula:C8H24O12P2S
Molecular weight:406.28
Application:THPS is an eco-friendly non-oxidizing quaternary phosphonium biocide, mainly used in oilfield, industrial water treatment, textile flame retardant, papermaking, leather and aquaculture industries.
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Description
Technical Parameters

 

Products Description

 

 

THPS is used in aquaculture to improve pond bottom conditions by decomposing organic matter such as uneaten feed and feces, reducing the production of ammonia nitrogen, nitrite, and hydrogen sulfide, and alleviating blackening and foul odors in sediments.

It activates the bottom mud, enhances dissolved oxygen levels in the lower layers, broadly suppresses harmful bacteria including Vibrio, and reduces the risk of bacterial diseases in aquatic animals. Additionally, it purifies water, lowers COD, chelates heavy metals, and mitigates their toxicity.

 

Products  Specification

 

Product name THPS/Tetrakis(hydroxymethyl)phosphonium sulfate
CAS NO 55566-30-8
ITEM NO M538
Appearance Clear to colorless to straw colored liquid
Assay% 76.08
Specific gravity (25℃, cps) 1.384
Viscosity 29.0
Chroma apha ≤100
P % 29.0
Fe % 0.00032
pH 4.28
Package 100ml/500ml/25L etc.
Delivery 2-3days
Storage room temperature
MSDS/COA/TDS Connect us

 

Products Application

 

 

THPS Used in three major fields-water treatment, textile flame retardancy, and oilfield industry-as an efficient biocide and algicide, fabric flame retardant, and oilfield biocide and corrosion inhibitor.

 

product-2500-1250

 

FAQ

 

Q: What is storage condition of THPS?

A: Keep sealed in cool & ventilated warehouse, away from heat and oxidants. Shelf life: 2 years.

Q: What is core function of THPS for oilfield?

A: Kill SRB, control H₂S generation, remove pipeline bio-slime and reduce MIC corrosion.

Q: Could THPS control both SRB and hydrogen sulfide in oilfield produced water?

A: Yes. THPS kills sulfate-reducing bacteria (SRB) to curb H₂S generation at source, and it can directly scavenge existing hydrogen sulfide to reduce pipeline microbiological corrosion.

Q: What are the features of THPS as textile flame retardant?

A: It is durable and wash-resistant, heavy-metal free, with little impact on fabric hand feel.

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