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Send Email2-Phosphonobutane-1,2,4-tricarboxylic acid, PBTC , PBTCA, 2-PHOSPHOBUTANE-1,2,4-TRICARBOXYLIC ACID, 37971-36-1
CAS: 37971-36-1
Molecular Formula: C7H11O9PPBTC
Names and Identifiers
| Name | 2-Phosphonobutane-1,2,4-tricarboxylic acid |
| Synonyms | PBTC PBTCA 2-phosphono-1,2,4-butanetricarboxylic 2-PHOSPHOBUTANE-1,2,4-TRICARBOXYLIC ACID 2-Phosphono-1,2,4-butanetricarboxylicacid 2,4-Butanetricarboxylicacid,2-phosphono-1 2-Phosphonobutane-1,2,4-tricarboxylic acid 2-phosphonobutane-1,1,1-tricarboxylic acid 2-PHOSPHONOBUTANE-1,2,4-TRICARBOXYLIC ACID 2-PHOSOPHONOBUTANE-1,2,4-TRICARBOXYLIC ACID 2-Phosphonobutane-1,2,4-Tricarboxylic Acid (PBTC) 2-Phosphonobutane-1,2,4-Tricarboxylic Acid(PBTCA) |
| CAS | 37971-36-1 |
| EINECS | 253-733-5 |
| InChI | InChI=1/C7H11O9P/c1-2-3(17(14,15)16)7(4(8)9,5(10)11)6(12)13/h3H,2H2,1H3,(H,8,9)(H,10,11)(H,12,13)(H2,14,15,16) |
| InChIKey | SZHQPBJEOCHCKM-UHFFFAOYSA-N |
Physico-chemical Properties
| Molecular Formula | C7H11O9P |
| Molar Mass | 270.13 |
| Density | 1.25 (50% aq.) |
| Boling Point | 545.2±60.0 °C(Predicted) |
| Flash Point | 334.551°C |
| Water Solubility | 909g/L at 20℃ |
| Solubility | Completely miscible in water |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | clear liquid |
| Color | Colorless to Light yellow |
| pKa | 1.14±0.10(Predicted) |
| Refractive Index | 1.579 |
| Physical and Chemical Properties | Density 1.25 (50% aq.) |
| Use | Is a good corrosion and Scale Inhibitor, widely used in circulating cooling water system and oil field water injection system |
Risk and Safety
| Risk Codes | 34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 3265 |
| Hazard Class | 8 |
| Packing Group | III |
Upstream Downstream Industry
| Raw Materials | methylacrylate Sodium methoxide Dimethyl Maleate Maleic acid Dimethyl hydrogen phosphite |
Nature
colorless or light yellow transparent liquid. Relative density (20 degrees C) 11 275. Freezing point -15 °c. Acid-resistant, alkali-resistant, oxidant-resistant. Can be miscible with water in any proportion, 1% aqueous solution pH 1. Good thermal stability. The hydrolysis is stable, in water up to 120 deg C, No hydrolysis is found, with good corrosion and scale inhibition performance. The resistance to chlorine gas or chlorine products and ferric ions in water is better than that of other phosphonates. With the commonly used water treatment agent compatibility is good, and has a synergistic effect.
Preparation Method
first, the addition reaction between phosphite and maleate Ester occurs under the action of a catalyst to form an intermediate. Under the action of a catalyst, the intermediate is then added to acrylate, the resulting material is then hydrolyzed in an acidic medium to give the final product.
Use
as a corrosion and Scale Inhibitor, it is a water treatment agent with high scale inhibition and corrosion inhibition performance, strong chemical stability and low toxicity. In the high temperature, high hardness, high alkalinity conditions, PBTC also has good corrosion inhibition performance, and Ca2 .2 n2 .Mg2 plasma has excellent complexation ability. It has a good synergistic effect with zinc salt and polyphosphate. Can be used for petroleum, chemical, power generation, industrial boiler water treatment. The concentration ratio of the circulating cooling water can be increased to more than 7. In the detergent industry can be used as chelating agent and metal cleaning agent.
Safety
an aqueous solution of PBTC at a concentration of 50%, with an oral LD50 greater than 6500mg/kg in rats. The eyes of rabbits were used for mucosal irritation test, which showed moderate irritation. PBTC is a medium strength acid, which has a certain degree of corrosion, and the staff should be protected.
Reference Information
| LogP | -1.66 at 25℃ |
| introduction | 2-phosphonic acid butane -1, 2, 4 tricarboxylic acid (PBTC) is the latest generation of internationally popular phosphonic carboxylic acid, and is one of the most widely used and best performance products in high-efficiency scale and corrosion inhibitor compounding. This product is especially suitable for water quality conditions of high temperature, high hardness, high alkalinity, high PH, and high concentration multiple. It has good scale inhibition performance for calcium carbonate scale and calcium phosphate scale. Low toxicity, low phosphorus content, good chemical stability, excellent stable chelating effect on zinc salts. It has good dispersion effect on water quality with high turbidity and high iron content. This product is generally used in combination with zinc salt, copolymer, azole and other water treatment agents, and the dosage is 5-15mg/L. |
| usage | PBTCA is the most widely used in the compounding of high-efficiency scale and corrosion inhibitors. it is one of the products with the best performance and an excellent stabilizer for zinc salt. It is widely used in the corrosion and scale inhibition of circulating cooling water systems and oilfield water injection systems. It is especially suitable for compounding with zinc salts and copolymers. It can be used for high temperature, high hardness, high alkali and high concentration multiples. It can be used as a chelating agent and metal cleaning agent in the washing industry. PBTCA is generally used in combination with zinc salt, copolymer, organic phosphine, azole and other water treatment agents. If used alone, the dosage is 5~15mg/L. Used as corrosion and scale inhibitor to treat industrial water. This product has excellent complexation ability with Ca2 +, Zn2 +, Cu2 +, Mg2 + plasma. It is suitable for use in the pH range of 7.0~9.5. It can be operated under high temperature, high hardness and high alkalinity. The concentration multiple of circulating cooling water can be increased to more than 7. is a good corrosion and scale inhibitor, widely used in circulating cooling water system and oil field water injection system anti-scaling treatment good corrosion and scale inhibitor, widely used in circulating cooling water system and oil field water injection system anti-scaling treatment. Used as corrosion and scale inhibitor to treat industrial water |
| production method | add the moles of dimethyl phosphite and dimethyl maleate into the reaction kettle, and react at 100~105 ℃ for 4 hours under the catalysis of sodium peroxide to form intermediate (I). Transfer (I) to a condensation kettle, and a Micheal addition reaction with acrylic acid in the presence of a catalyst produces an intermediate (II). (II) is transferred into the hydrolysis kettle and hydrolyzed under acid catalysis to obtain the product. |
Description:
It is widely used as a corrosion and scale inhibitor in circulating cooling water systems and oilfield injection water systems, especially suitable for compounding with zinc salts and copolymers, it can be used in high temperature, high hardness, high alkalinity and high concentration operations. In the detergent industry, PBTC can be used as a chelating agent and metal cleaning agent. When compounded with zinc salts and added to the cooling water, it can improve the corrosion inhibition performance of the formula and the scale inhibition ability in alkaline systems, with a general dosage of 5-15 ppm and continuous feeding is recommended.
Application:
- Water Treatment: PBTC is widely used as a scale and corrosion inhibitor in water treatment applications such as cooling towers, boilers, and reverse osmosis systems. It is effective in preventing the formation of scale and controlling corrosion, which can help extend the lifespan of equipment and improve water quality.
- Textile Industry: PBTC is used as a dispersant in the textile industry to prevent dye particles from clumping together and to improve the color fastness of fabrics.
- Detergent Industry: PBTC is used as a sequestering agent in detergents to prevent the buildup of minerals that can reduce the effectiveness of cleaning agents.
- Ceramics Industry: PBTC is used as a dispersant in the ceramics industry to improve the properties of ceramic materials and to prevent clumping of ceramic particles during processing.
- Medical Applications: PBTC has also been found to have some antimicrobial properties and is being investigated as a potential treatment for bacterial infections.
Q: How to Get Sample of PBTC?
A: Sample within 500g could be sent for free once buyer’s DHL account is advised for freight collect or courier cost is paid. The courier cost could be deducted when bulk order is placed.
Q: What is Lead Time of Cas No: 37971-36-1?
A: Generally, cargo could be loaded on ship in about two weeks after the date of receiving prepayment or L/C. Sometimes one week earlier or later.
Q: How About the PBTC of ZXCHEM?
PBTC is a chemical compound that is widely used in industrial applications as a scale and corrosion inhibitor. It is a white crystalline powder that is soluble in water and has a molecular formula of C7H11O9P.
PBTC is used in a variety of industrial applications, including cooling water treatment, oilfield water injection, and detergent manufacturing. In these applications, PBTC is added to the water or other fluids to prevent the buildup of scale and the corrosion of metal surfaces.
One of the key advantages of PBTC is its ability to function effectively in a wide range of environments, including high temperature and high alkalinity conditions. It is also effective in high concentration operations, making it a popular choice for industrial applications.
In cooling water treatment, PBTC is commonly used as a corrosion and scale inhibitor. When added to the water, it forms a protective layer on metal surfaces that helps prevent corrosion and scale buildup. This improves the efficiency of the cooling system and helps prolong the life of equipment.
PBTC is also used in oilfield water injection, where it helps prevent the buildup of scale and corrosion in the injection wells. This improves the efficiency of the oil recovery process and helps prevent damage to the equipment.
In the detergent industry, PBTC is used as a chelating agent and metal cleaning agent. When added to detergents, it helps remove metal ions from fabrics and surfaces, improving the effectiveness of the cleaning process.
While PBTC is an effective and widely used chemical, it is important to handle it with care and follow proper safety precautions. It can be harmful if ingested or inhaled, and contact with the skin and eyes should be avoided. Personal protective equipment such as gloves and goggles should be worn when handling PBTC.
In conclusion, PBTC is a versatile and effective chemical that is widely used in a variety of industrial applications. Its ability to function in high temperature, high alkalinity, and high concentration environments makes it a popular choice for cooling water treatment, oilfield water injection, and detergent manufacturing. However, it is important to handle PBTC with care and follow proper safety precautions to minimize the risk of harm.
