Hydroxymethylphenylphosphinic acid - Names and Identifiers
Hydroxymethylphenylphosphinic acid - Physico-chemical Properties
Molecular Formula | C7H9O3P
|
Molar Mass | 172.118321 |
Physical and Chemical Properties | Hydroxymethyl phenyl phosphinic acid (Hydroxymethyl phenyl phosphinic acid), referred to as HMPPA, soluble in water, ethylene glycol and other solvents, weak water absorption at room temperature, stable at room temperature. This product is an environmentally friendly flame retardant, is a new generation of permanent flame retardant modification based on the structural characteristics of polyester, is the leader in flame retardants, it has high phosphorus content, good heat resistance, hydrolysis resistance, high temperature and oxidation resistance. The flame retardant effect of the flame retardant chip is excellent, the reaction activity is high, the addition amount is small, and the mechanical properties of the material are almost not affected. The monomer is suitable for the permanent flame retardant modification of polyester. As an important raw material, it is widely used in the preparation of various organic compounds of phosphorus. FIG. 1 shows the structural formula of hydroxymethylphenylphosphinic acid. |
Hydroxymethylphenylphosphinic acid - Introduction
acid is an organic phosphorus compound with the chemical formula C7H9PO2. Its structure contains hydroxyl (-OH), methyl (-CH3) and benzene ring. The following is a description of some of the properties, uses, methods of manufacture and safety information about the acid:
Nature:
-Appearance: White crystalline solid
-Melting point: 118-120 ° C
-Solubility: Soluble in organic solvents such as ethanol and dimethylformamide, insoluble in water
-Stability: Stable at room temperature, but may decompose under high temperature, acidic and alkaline conditions
Use:
acid is commonly used as an intermediate of organic phosphate, and is widely used in pesticides, pharmaceuticals, plant growth regulators and other fields.
-It can be used as an ingredient of antibacterial agent, preservative and antioxidant to enhance the stability and antibacterial properties of the product.
-In addition, acid can also be used in polymer additives to improve the rigidity and heat resistance of polymers.
Preparation Method:
-Usually prepared by the esterification reaction of methylphenylphosphinic acid. The specific method includes the reaction of Methyl phenyl phosphinic acid with alcohol under appropriate acidic conditions to produce the corresponding esterified product, which is then hydrolyzed to obtain acid.
Safety Information:
-the acid will not cause obvious harm to the human body under normal operating conditions. However, like other organophosphorus compounds, acids have a certain toxicity.
-Use with care to avoid inhalation, ingestion, and contact with skin, wear protective gloves, glasses, and face shields if necessary, and operate under well-ventilated conditions.
-Correct laboratory practices should be followed when handling this compound, including control of ignition sources and avoidance of mixing in contact with oxidants and acids.
-In case of accidental contact or misuse, please seek medical attention.
Last Update:2024-04-09 20:52:54