4,4-[1,4-Phenylenebis (1-Methyl-ethylidene)] - Names and Identifiers
Name | 4,4-(1,4-Phenylenediisopropylidene)Bisphenol
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Synonyms | 1,4-Bis(4-hydroxy-α,α-dimethylbenzyl)benzene 4,4-[1,4-Phenylenebis (1-Methyl-ethylidene)] 4,4-(1,4-Phenylenediisopropylidene)Bisphenol 4,4'-(1,4-PHENYLENEDIISOPROPYLIDENE)BISPHENOL 4,4'-[p-Phenylenebis(2,2-propanediyl)]bisphenol 4,4'-[p-Phenylenebis(propane-2,2-diyl)]bisphenol 4,4'-[1,4-Phenylenebis(dimethylmethylene)]bisphenol 4,4'-[1,4-Phenylenebis(1-methylethane-1,1-diyl)]bisphenol
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CAS | 2167-51-3
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EINECS | 200-258-5 |
4,4-[1,4-Phenylenebis (1-Methyl-ethylidene)] - Physico-chemical Properties
Molecular Formula | C24H26O2
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Molar Mass | 346.46 |
Density | 1.107±0.06 g/cm3(Predicted) |
Melting Point | 193-195°C(lit.) |
Boling Point | 246 °C(Press: 0.1 Torr) |
Solubility | very faint turbidity in Methanol |
Appearance | neat |
Color | White to Almost white |
pKa | 10.31±0.10(Predicted) |
Storage Condition | 2-8℃ |
MDL | MFCD00191315 |
4,4-[1,4-Phenylenebis (1-Methyl-ethylidene)] - Risk and Safety
Hazard Symbols | Xi - Irritant
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Risk Codes | 36 - Irritating to the eyes
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
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WGK Germany | 3 |
HS Code | 29072990 |
4,4-[1,4-Phenylenebis (1-Methyl-ethylidene)] - Introduction
4,4-(1,4-phenylenediisopropylidene) Bisphenol, also known as 4,4-(1,4-benzenediisopropylmethylene) biphenol, is an organic compound. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: White crystalline solid
-Solubility: Soluble in most organic solvents such as alcohols, ethers and chlorinated hydrocarbons
-Melting point: About 220-225 ° C
-Molecular formula: C25H30O2
-Molecular weight: 358.51g/mol
Use:
4,4-(1,4-phenylenediisopropylidene) Bisphenol can be used as a chemical intermediate for the synthesis of high-performance engineering plastics, such as Polycarbonate (PC) and polyethersulfone (PES). These polymers have a wide range of applications in the fields of automobiles, electronics and building materials.
Method:
4,4-(1,4-phenylenediisopropylidene) Bisphenol can be prepared by the condensation reaction of benzaldehyde and cumene. The commonly used synthetic method is to react benzaldehyde and cumene under acidic or alkaline conditions, react at an appropriate temperature for a period of time, and then obtain the target product through crystallization, washing and other steps.
Safety Information:
- 4,4-(1,4-phenylenediisopropylidene) Bisphenol is stable under normal conditions, but decomposition reaction may occur under high temperature, direct sunlight or alkaline conditions.
-The compound may be harmful to the human body when in contact with skin, eyes or inhalation. Long-term contact with skin should be avoided and personal protective measures should be used.
-Avoid contact with oxidants during storage and keep them properly sealed.
-Please refer to the safety data sheet of the relevant chemical for detailed safety instructions and personal protective measures.
Last Update:2024-04-10 22:29:15