Tetrahydroxymethyl Phosphate Sulfate|CAS55566-30-8

Tetrahydroxymethyl Phosphate Sulfate phosphorus referred to as THPS, is an efficient fungicide, reducing effect, with a long shelf life, not easy to oxidation, reducing stability, lasting effect, no residue after use, green and other characteristics. Tetrahydroxymethyl Phosphate Sulfate has important applications in aquaculture, pure cotton flame retardant, wood preservative, oil exploitation, dredging pipeline ferrous sulfide and other fields. It is a colorless transparent liquid with a density of 1.35-1.42 and a decomposition temperature of 130℃. The decomposition reaction equation is 2CH3SO4P (OH) 4----2H3PO4+2H2SO4+C2H4↑.

Action mechanism

The bactericidal mechanism of Tetrahydroxymethyl Phosphate Sulfate is complicated, the current research conclusions are as follows. Only one carbon atom is long, which means it does not cause a reciprocal foam and there are no interfaces or substrates. Quaternary phosphorus salt with positive charge, can be selectively adsorbed by negatively charged bacteria, through osmosis through the bacterial surface into the cell membrane, hinder the membrane semi-osmotic effect, and further into the cell interior, so that the cell enzyme passivation, protein enzyme can not be produced, so that the protein denaturation, to kill the role of bacterial cells. Its lipophilic group can dissolve and damage the fat wall on the cell surface, change the physicochemical properties of the protoplasmic membrane, and kill bacteria.

Basic parameter

CAS: 55566-30-8

Molecular formula: [(CH2OH)4P]2SO4

Molecular weight :406.27

Dangerous Goods Transport Code: UN 2922 8/PG 3

Melting point: -35°C

Boiling point: 111°C

Density: 1.4g /mL at 25 °C(lit.)

Flash point: 96 °C

Water solution: >=10 g/100 mL at 18 ºC

EINECS number: 259-709-0

Export tax rebate rate: 9%

H.S code: 2931909090

Technical index

Content≥75%

Active phosphorus≥11.0%

Specific gravity (25C) : 1.37-1.41g|ml

Viscosity (20C) <50CP(mPa.s)

PH: 2.5-5.5

Production and preparation

The formaldehyde, sulfuric acid and water are prepared into a certain proportion of absorption liquid, through the phosphine gas, slightly positive pressure in the range of 55~60, with the absorption tower for cyclic absorption, reaction to produce 35~37% of the water solution, by vacuum distillation 80) to remove the water, the content of about 75% of the crude finished product. Then it is decolorized, filtered and packaged.

Product characteristics

1, green environmental protection. No secondary pollution after use. There's no residue. No secondary pollution to water quality, soil and air. Can be degraded into green and harmless products.

2, efficient sterilization, in the oil field and water treatment industry has a very excellent sterilization effect. In the United States, the Middle East, Europe. The effect is very significant in the process of oil field exploitation in Southeast Asia, and it is also widely used in offshore oil exploitation.

3, the price is cheap, the price once reached the highest value in history, and now it has returned to the cost line. Compared with other fungicides, the price has a greater advantage, and the effect also has its own characteristics.

4. Good mixing effect. Phosphorus Tetrahydroxymethyl Phosphate Sulfate can be mixed with other additives in most oil fields. The effect of decocting and compounding is very good. The compound does not affect the effect and performance of the product. For example, formulations with a small amount of quaternary ammonium surfactant can be shipped very well.

5, good water solubility, low freezing point, stable chemical properties, and long-term storage does not affect its quality.

6, with high efficiency, broad spectrum, low toxicity, low dose, low foaming, environmental friendly and other characteristics. It is an internationally recognized new fungicide, which has a strong killing effect on bacteria and algae.

Application description

1, aquatic bottom reform effect is obvious. It is a classic substrate improvement product in aquaculture. It can effectively degrade toxic substances such as ammonia nitrogen, nitrite, hydrogen sulfide and heavy metals, and decompose harmful substances such as residual bait, excrement, animal, plant and algae dead bodies and other organic wastes deposited at the bottom of the pool. Can completely eliminate the bottom mud black, heat, odor, fishy acid and other corruption, can effectively degrade algal toxins and other biological toxins. Remove the odor of water and the bottom of the pool, decompose the viscous substances in the water, and effectively regulate the unhealthy vertical stratification phenomenon of dissolved oxygen, temperature, bottom heat, and nutrient salts in the water. For the aged ponds such as plate bottom, saline-alkali bottom and fishy odor type, the water transparency can be improved to ensure the normal photosynthesis of plankton, and the deodorization effect is remarkable. It is especially suitable for water quality change, bad climate and the improvement of the bottom material during the disease, and can significantly improve the anti-stress ability of aquatic animals.

2, flame retardant, widely used in pure cotton and leather flame retardants, flame retardant effect is good.

3, bactericidal effect, for oilfield exploitation and water treatment. Its phosphorus atoms have three oxidation states, and it is known that phosphorus can also have five oxidation states, so it has the ability to kill life quickly.

4, inhibition of microorganisms, the effect of microbial reproduction control in the industrial cooling water system is very good. Phosphorus Tetrahydroxymethyl Phosphate Sulfate has a good effect on indoor fungicides, inhibiting the growth of microorganisms such as bacteria and fungi.

Tetrakis hydroxymethyl phosphonium sulfate(THPS) has three oxidation states, with rapid biocidal ability. It can be used as an environmentally friendly non-halogenated flame retardant in the fields of leather, wood and paper making. It can be used as a bactericide and algaecide in water treatment, oil field pipeline, fishery breeding, etc. It can be degraded to completely harmless material quickly after use. It can also be made into different forms in the aquatic industry, play a very good role in bottom modification, can effectively degrade the water body of ammonia nitrogen, nitrite, hydrogen sulfide and heavy metals and other toxic substances, decomposition of the bottom of the pool deposited residual bait, feces, plants and animals, and algae dead bodies and other organic wastes and other harmful substances. Tetrakis hydroxymethyl phosphonium sulfate(THPS) is an internationally recognized green quaternary phosphate fungicide, which has good water solubility, low freezing point, stable chemical properties, and can be stored for a long time, and can be kept in an unopened warehouse for 2-3 years without deterioration.