4-(Prop-1-en-2-yl)phenol (stabilized with TBC) TCI H1947

Chemical Identity

CAS No.: 4286-23-1
Purity: >98.0%(GC)

Rp 1.936.200,00

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Berat 200mg 1g

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TCI H1947 4-(Prop-1-en-2-yl)phenol, commonly known as 4-isopropenylphenol, is a phenol bearing an isopropenyl group at the para position, supplied in stabilized form with TBC (tert-butylcatechol) added as a polymerization inhibitor. The compound combines the reactivity of a phenolic hydroxyl group with that of a substituted terminal alkene, making it a valuable intermediate for both organic synthesis laboratories and polymer research groups. Its structure is also recognized as a key fragment related to bisphenol chemistry, so it appears frequently in studies of the synthesis and degradation of bisphenol-based resins.

The most defining characteristic of this building block is the isopropenyl double bond conjugated with the aromatic ring. This conjugation makes the alkene highly reactive toward both radical and cationic polymerization, a property that benefits materials research but demands careful handling during storage — which is precisely why the manufacturer adds the TBC inhibitor. The alkene group can likewise be exploited in hydrogenation, epoxidation, hydroamination, and other addition reactions. The phenol group, meanwhile, contributes moderate acidity, hydrogen-bonding capability, and a reliable handle for etherification, esterification, and further functionalization of the aromatic ring.

In Indonesian laboratories, this material is typically used in university and institutional research settings where organic synthesis, polymer chemistry, and materials studies are carried out. It suits work on bisphenol-related chemistry, monomer preparation, and the development of functionalized aromatic intermediates. Because it is supplied in stabilized form by TCI, it fits laboratories that require a consistent, well-characterized reagent for multi-step synthetic routes and for method development supporting publication or thesis work.

Related TCI products

Polymer and resin research: the conjugated isopropenyl double bond undergoes radical and cationic polymerization readily, allowing researchers to prepare phenol-functional polymers and study monomer reactivity under controlled laboratory conditions.
Bisphenol chemistry studies: as a fragment structurally related to bisphenol systems, it serves as a reference compound in investigations of the formation and degradation pathways of bisphenol-based resins.
Organic synthesis intermediates: the para-substituted phenol provides a reliable handle for etherification, esterification, and further aromatic functionalization when building more elaborate target molecules in multi-step routes.
Alkene addition chemistry: the terminal substituted alkene is well suited to hydrogenation, epoxidation, hydroamination, and other addition reactions used to generate structurally diverse derivatives from a single starting material.
Materials and methodology development: the combination of an acidic phenolic hydroxyl and a reactive alkene in one molecule makes it useful for exploring hydrogen-bonding behavior and new synthetic methods.

Brand	TCI (Tokyo Chemical Industry)
CAS number	4286-23-1
Molecular formula	—
Purity	—
Category	Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes	available in standard TCI research pack sizes; please confirm the currently listed options when ordering
Physical form	—
Storage	store according to the manufacturer's stated conditions on the product label and safety data sheet

Product code: H1947
Stabilization: supplied stabilized with TBC (tert-butylcatechol) as polymerization inhibitor

Store the container tightly closed in a cool, dark, well-ventilated area, following the storage conditions stated by the manufacturer on the label and safety data sheet. Because the conjugated isopropenyl group is prone to polymerization, avoid heat, direct sunlight, and prolonged storage after opening, and do not remove or dilute the TBC inhibitor system. Keep the material away from strong oxidizing agents and sources of ignition. Handle in a fume hood using gloves, safety goggles, and a laboratory coat, and transfer with clean, dry glassware to prevent contamination. Reseal promptly after use and label any secondary containers clearly. Consult the manufacturer's safety data sheet before first use and dispose of residues through your institution's chemical waste procedures.

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