Name | BIS(2,4,4-TRIMETHYLPENTYL)PHOSPHINIC ACID |
Synonyms | DIISOOCTYLPHOSPHINIC ACID Phosphinic acid, diisooctyl- (8CI,9CI) BIS(2,4,4-TRIMETHYLPENTYL)PHOSPHINIC ACID |
CAS | 27661-42-3 |
Molecular Formula | C16H35O2P |
Molar Mass | 290.42 |
Density | 0.916 g/mL at 20 °C (lit.) |
Flash Point | 108°C |
Refractive Index | n20/D 1.460 |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36 - Irritating to the eyes |
Safety Description | S24 - Avoid contact with skin. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
WGK Germany | 1 |
nature:
1. It usually appears as a yellow to brown liquid or viscous liquid.
2. It is easily soluble in organic solvents such as alcohols, ethers, aromatic hydrocarbons, etc., but its solubility in water is relatively low.
Purpose:
1. Widely used as an extractant for separating rare earth metals and radioactive metal ions due to its high selectivity and affinity for these metal ions.
2. It can be used as a catalyst in some organic reactions and synthesis, especially in reactions involving phosphorus.
3. Can be used as a synthetic intermediate for other compounds.
4. Used as a fluid additive in the petroleum related industry.
Manufacturing method:
1. Raw material preparation: Prepare precursors of 2,4,4-trimethylpentanol and phosphonic acid (such as phosphonic acid chloride).
2. Esterification reaction: Catalytic esterification reaction is carried out in a suitable organic solvent, usually requiring heating and reaction under an inert gas atmosphere to prevent interference from moisture.
3. Purification: After the reaction is complete, unreacted raw materials and by-products are removed by distillation or column chromatography to obtain pure bis (2,4,4-trimethylpentyl) phosphonic acid.
Security information:
1. Irritating to the skin, eyes, and respiratory tract.
2. Use in a well ventilated laboratory and wear appropriate protective equipment such as gloves and goggles. Avoid reacting with oxidants and strong acids.
3. If a leak occurs, it should be cleaned up immediately, treated with appropriate absorbent materials (such as sand), and follow local emergency measures for chemical spills.
4. Due to its potential environmental impact, waste should be disposed of in accordance with local regulations to avoid entering water bodies or soil.