Tetrakis-hydroxymethyl Phosphonium Sulfate
bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution
CAS: 55566-30-8
Molecular Formula: C8H24O12P2S
Tetrakis-hydroxymethyl Phosphonium Sulfate - Names and Identifiers
| Name | bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution |
| Synonyms | THPS pyrosettko nci-c55050 Tetrahydroxymethyl phosphonium sulfate octakis(hydroxymethyl)phosphoniumsulfate Tetrakis(hydroxymethyl)phosphonium sulfate Tetrakis-hydroxymethyl Phosphonium Sulfate Tetrakis Hydroxymethyl Phosphonium Sulfate Tetrakis Hydroxymethyl Phosphonium Sulphate Octakis(hydroxymethyl)diphosphonium sulfate bis[tetrakis(hydroxymethyl)phosphonium]sulfatesolution bis[tetrakis(hydroxymethyl)phosphonium] sulfate solution |
| CAS | 55566-30-8 |
| EINECS | 259-709-0 |
| InChI | InChI=1/2C4H12O4P.H2O4S/c2*5-1-9(2-6,3-7)4-8;1-5(2,3)4/h2*5-8H,1-4H2;(H2,1,2,3,4)/q2*+1;/p-2 |
Tetrakis-hydroxymethyl Phosphonium Sulfate - Physico-chemical Properties
| Molecular Formula | C8H24O12P2S |
| Molar Mass | 406.28 |
| Density | 1.4g/mLat 25°C(lit.) |
| Melting Point | -35°C |
| Boling Point | 111°C |
| Flash Point | 96°C |
| Water Solubility | >=10 g/100 mL at 18 ºC |
| Vapor Presure | 0Pa at 20℃ |
| Appearance | Transparent colorless viscous liquid |
| Specific Gravity | 1.42 |
| Color | Colorless to Almost colorless |
| BRN | 8521357 |
| PH | 3~4 |
| Storage Condition | Sealed in dry,Room Temperature |
| MDL | MFCD00054243 |
| Physical and Chemical Properties | Colorless transparent liquid that can dissolve with water in any ratio. Has a unique odor. Non combustible, slightly acidic, and corrosive. Easy to biodegradable and environmentally friendly. |
| Use | Tetrahydroxymethyl phosphorus sulfate is a green and environmentally friendly quaternary phosphate fungicide. The product has good water solubility, low freezing point, stable chemical properties, and long-term storage does not affect its quality. It is a new, excellent, high-efficiency, broad-spectrum, low-toxicity, low-dose, low-foaming, environmentally friendly fungicide, and has strong killing performance against bacteria and algae. In 1995, it was approved by the U.S. EPA, determined that its toxicity classification was zero, and was awarded the U.S. Green Chemistry Award. |
Tetrakis-hydroxymethyl Phosphonium Sulfate - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R34 - Causes burns R43 - May cause sensitization by skin contact R50 - Very Toxic to aquatic organisms R41 - Risk of serious damage to eyes R20/22 - Harmful by inhalation and if swallowed. R45 - May cause cancer |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S53 - Avoid exposure - obtain special instructions before use. |
| UN IDs | UN 2922 8/PG 3 |
| WGK Germany | 1 |
| RTECS | TA2570000 |
| HS Code | 29319019 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
Tetrakis-hydroxymethyl Phosphonium Sulfate - Reference
| Reference Show more | 1. [IF=9.642] Qing-Lian Wu et al."Enhancing sludge biodegradability and volatile fatty acid production by tetrakis hydroxymethyl phosphonium sulfate pretreatment."Bioresource Technol. 2017 Sep;239:518 |
Tetrakis-hydroxymethyl Phosphonium Sulfate - safety
Open Data Verified Data
It is irritating and should not come into direct contact with the skin. During operation, in addition to wearing masks and goggles, there must be good ventilation devices in the production workshop. Store in a cool and ventilated warehouse, sealed and stored.
Last Update：2023-10-12 12:44:31
Tetrakis-hydroxymethyl Phosphonium Sulfate - Preparation method
Open Data Verified Data
Add a certain amount of yellow phosphorus, zinc powder, and formaldehyde to the reactor, and under nitrogen protection, add a certain amount of concentrated sulfuric acid dropwise. Then, heat the reactant to 80 ℃, and continue to add concentrated sulfuric acid dropwise at this temperature. After 6 hours of reaction, the reaction mixture is concentrated under reduced pressure, the precipitated salt is discarded, and the product is further dehydrated under reduced pressure.
Last Update：2024-01-02 23:10:35
Tetrakis-hydroxymethyl Phosphonium Sulfate - Reference Information
| LogP | -9.8 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | tetrahydroxymethyl phosphorus sulfate (THPS) as a bactericidal algicide is mainly used in water treatment, oil field pipelines, fishery farming, etc, it can be quickly degraded into completely harmless substances after use, and is also commonly used in fabric flame retardant treatment, leather softening and paper making industries. Tetra hydroxymethyl phosphorus sulfate is a kind of green environment-friendly Quaternary phosphate bactericide. The product has good water solubility, low freezing point, stable chemical properties, and long storage time does not affect its quality. It is a new, excellent, efficient, broad-spectrum, low toxicity, low dose, low foaming, environment-friendly fungicide, bacteria and algae has a strong killing performance. |
| Use | tetramethylolsulfate phosphorus is a kind of green environment-friendly Quaternary phosphate bactericide, and is also an internationally recognized pure cotton, permanent flame retardant for polyester-cotton fabrics. Tetramethyl phosphate sulfate is mainly used as a biocide. 2. Widely used in water treatment, oil field, paper and other industries. Because its main advantage is the rapid degradation of completely harmless substances after use, greatly reduce the impact of such industries on the environment. 3. It can also be used as a permanent flame retardant for pure cotton and polyester cotton fabrics. It is a kind of green environment-friendly Quaternary phosphate bactericide, and it is also an internationally affirmed permanent flame retardant for pure cotton and polyester cotton fabrics |
| preparation | sulfuric acid and formaldehyde are added into the reaction kettle, and the gas-liquid circulation mixing reaction pump is turned on, phosphine is added into the gas-liquid circulation mixing reaction pump, and phosphine is absorbed through the gas-liquid circulation mixing reaction device at 50-60 ℃, phosphine that is not completely absorbed enters the next gas-liquid circulation mixing reaction pump (the two gas-liquid circulation mixing reaction devices are the same, but connected in series, which is more conducive to the utilization of phosphine), the end point of the reaction was judged by the content of formaldehyde in the middle control, and after the reaction was completed, the Tetra hydroxymethyl phosphorus sulfate was obtained by decompression and concentration. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:21:28
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