PRODUCTS

4-CUMYLPHENOL

4-Cumylphenol is primarily used as an industrial chemical intermediate and polymer additive, especially as a chain terminator/modifier in the manufacture of polycarbonates.
4-Cumylphenol is also used in the production of phenolic resins, specialty surfactants and certain other chemical products.
4-Cumylphenol is widely used as a material for polycarbonate plastics, surfactants, fungicides and preservatives.

CAS Number: 599-64-4
EC Number: 209-968-0
Molecular Formula: C₁₅H₁₆O
Molecular Weight: 212.29 g/mol

SYNONYMS:
4-Cumylphenol, p-Cumylphenol, Para-Cumylphenol, Cumylphenol, Cumyl phenol, 4-α-Cumylphenol, 4-Alpha-Cumylphenol, 4-(2-Phenylisopropyl)phenol, 4-(2-Phenylpropan-2-yl)phenol, 4-(1-Methyl-1-phenylethyl)phenol, 4-(1-Methyl-1-phenethyl)phenol, 4-(α,α-Dimethylbenzyl)phenol, 4-(Alpha,Alpha-Dimethylbenzyl)phenol, p-(α,α-Dimethylbenzyl)phenol, p-(Alpha,Alpha-Dimethylbenzyl)phenol, p-(α-Cumyl)phenol, p-(Alpha-Cumyl)phenol, p-(2-Phenylisopropyl)phenol, p-Hydroxy-2,2-diphenylpropane, 2-Phenyl-2-(4-hydroxyphenyl)propane, 2-(4-Hydroxyphenyl)-2-phenylpropane, 2-Phenyl-2-(p-hydroxyphenyl)propane, 4-Hydroxydiphenyldimethylmethane, 4-(Dimethylphenylmethyl)phenol, 2-Phenyl-2-(4-hydroxyphenyl)propane, Phenol, 4-(1-methyl-1-phenylethyl)-, Phenol, p-(α,α-dimethylbenzyl)-, Phenol, p-(α-cumenyl)-, PCP, AURORA 4778, AKOS BBS-00008036, NSC 6237, HSDB 8089, 4-Cumylphenol, 599-64-4, p-Cumylphenol, Phenol, 4-(1-methyl-1-phenylethyl)-, 4-(Dimethylphenylmethyl)phenol, 4-Hydroxydiphenyldimethylmethane, 2-Phenyl-2-(4-hydroxyphenyl)propane, p-(alpha,alpha-Dimethylbenzyl)phenol, Phenol, 4-(1-methyl-1-phenethyl)-, DTXSID3022536, 2RLA3OL3QT, 4-(1-methyl-1-phenyl-ethyl)phenol, NSC-6237, Phenol, p-(alpha,alpha-dimethylbenzyl)-, DTXCID502536, p-[alpha,alpha-dimethylbenzyl)phenol, RefChem:858043, 209-968-0, 4-(2-phenylpropan-2-yl)phenol, 4-alpha-Cumylphenol, 4-(1-Methyl-1-phenylethyl)phenol, p-Cumyl phenol, 4-(2-PHENYLISOPROPYL)PHENOL, 2-Phenyl-2-(p-hydroxyphenyl)propane, 4-(alpha,alpha-Dimethylbenzyl)phenol, MFCD00002365, paracumylphenol, p-(.alpha.-Cumyl)phenol, NSC 6237, Phenol, p-(.alpha.,.alpha.-dimethylbenzyl)-, p-(.alpha.,.alpha.-Dimethylbenzyl)phenol, 4-(.alpha.,.alpha.-Dimethylbenzyl)phenol, 4-(1-Methyl-1-phenylethyl)-phenol, 2-(4'-Hydroxyphenyl)-2-phenylpropane, p-(alpha-Cumenyl)phenol, CAS-599-64-4, 4-(1-Methyl-1-phenethyl)phenol, EINECS 209-968-0, UNII-2RLA3OL3QT, BRN 1870517, p-Hydroxy-2,2-diphenylpropane, para-cumylphenol, AI3-08269, CCRIS 8908, p--cumylphenol, HSDB 8089, 2zas, 4-|A-Cumylphenol, 4-Cumylphenol, 99%, 2-(4-HYDROXYPHENYL)-2-PHENYLPROPANE, EC 209-968-0, Cambridge id 5142949, p-(.alpha.-Cumenyl)phenol, TimTec1_002380, p-(2-Phenylisopropyl)phenol, SCHEMBL51117, BIDD:ER0173, SCHEMBL269424, 4-(2-Phenylisopropyl) phenol, 4-.ALPHA.-CUMYLPHENOL, [1, ar'-(1-methylethyl)-, CHEMBL194805, orb1220817, orb1301639, SCHEMBL2192097, SCHEMBL4388664, SCHEMBL8150717, BDBM29609, CHEBI:35092, Phenol,.alpha.-dimethylbenzyl)-, NSC6237, HMS1540M04, HMS3604L17, KUC105982N, AAA59964, 4-(1-methyl-1-phenylethyl) phenol, Tox21_201297, Tox21_300056, EBC-03631, SBB043700, STK831902, 4-(1-Methyl-1-phenyl-ethyl)-phenol, AKOS000120751, MSK9315-1000M, CS-W014998, DB06902, HY-W014282, KSC-19-030, PHENYLISOPROPYL)PHENOL, 4-(2-, NCGC00090941-01, NCGC00090941-02, NCGC00090941-03, NCGC00090941-04, NCGC00090941-05, NCGC00253961-01, NCGC00258849-01, AS-57116, ST029283, SY049300, DB-072734, NS00009362, T5628, EN300-17891, E83013, 4-Cumylphenol Solution in Methanol, 1000ug/mL, F094614, BRD-K94049994-001-01-5, Q27095806, Z57068819, F0020-1559, 2-(4'-Hydroxyphenyl)-2-phenylpropane, 4-alpha-Cumylphenol, 1OH, 4-(2-Phenylisopropyl)phenol, PCP, Cumyl phenol, P-CUMYLPHENOL, 4-α-Cumylphenol, PARA-CUMYLPHENOL, Phenol, 4-(1-methyl-1-phenylethyl)-, AURORA 4778, 4-CUMYLPHENOL, paracumilphenol, AKOS BBS-00008036, p-, cumyl phenol, para-, cumyl phenol, 4-, cumylphenol, 4-(alpha,alpha-, dimethyl benzyl) phenol, 4-(1-, methyl-1-phenyl ethyl) phenol, phenol, p-(alpha,alpha-dimethylbenzyl)-, 4-(2-, phenyl isopropyl) phenol, 4-(2-, phenylpropan-2-yl)phenol, 4-cumylphenol, p-cumylphenol, 4-2-phenylpropan-2-yl phenol, p-cumyl phenol, phenol, 4-1-methyl-1-phenylethyl, 4-1-methyl-1-phenylethyl phenol, 4-alpha-cumylphenol, 4-dimethylphenylmethyl phenol, 4-hydroxydiphenyldimethylmethane, 2-phenyl-2-4-hydroxyphenyl propane, 4-Cumylphenol, 4-(2-Phenylpropan-2-yl)phenol, Phenol, 4-(1-methyl-1-phenylethyl)-, 599-64-4, Phenol, 4-(1-methyl-1-phenylethyl)-, 4-(2-Phenylpropan-2-yl)phenol, BRN 1870517, p-(alpha-Cumenyl)phenol, p-Cumyl phenol, p-(alpha,alpha-Dimethylbenzyl)phenol, 4-(Dimethylphenylmethyl)phenol, EINECS 209-968-0, 4-Hydroxydiphenyldimethylmethane, 4-(1-Methyl-1-phenethyl)phenol, 4-(1-Methyl-1-phenylethyl)phenol, NSC 6237, 2-Phenyl-2-(p-hydroxyphenyl)propane, 2-Phenyl-2-(4-hydroxyphenyl)propane, UNII-2RLA3OL3QT, p-Cumylphenol, 28261-59-8, P-HYDROXY-2,2-DIPHENYLPROPANE, P-CUMYLPHENOL, PCP, PARA-CUMYLPHENOL, P-(ALPHA,ALPHA-DIMETHYLBENZYL)PHENOL, P-(ALPHA-CUMYL)PHENOL, P-(A,A-DIMETHYLBENZYL)PHENOL, P-(2-PHENYLISOPROPYL)PHENOL, 4-(1-Methyl-1-phenethyl) phenol, p-(a,a-Dimethylbenzyl) phenol, Phenol, 4-(1-methyl-1-phenethyl)-, 4-(Dimethylphenylmethyl) phenol 4-Hydroxydiphenyldimethylmethane, p-Cumylphenol, Cumyl phenol, 2-Phenyl-2-(p-hydroxyphenyl)propane, 4-(2-Phenylisopropyl) phenol, 4-Hydroxydiphenyldimethylmethane, 4-(Dimethylphenylmethyl)phenol, p-(a-Cumyl) phenol, Phenol, p-(a,a-dimethylbenzyl), PARA-CUMYLPHENOL, Phenol, 4-(1-methyl-1-phenylethyl)-, p-(a,a-Dimethylbenzyl)phenol, PCP, P-(ALPHA,ALPHA-DIMETHYLBENZYL)PHENOL, NSC 6237, P-HYDROXY-2,2-DIPHENYLPROPANE, 2-Phenyl-2-(4-hydroxyphenyl)propane, 4-(1-Methyl-1-phenylethyl)phenol, P-(2-PHENYLISOPROPYL)PHENOL, p-(a-Cumyl)phenol, P-(A,A-DIMETHYLBENZYL)PHENOL, 4-(a,a-Dimethylbenzyl)phenol, 4-Cumylphenol, Phenol, p-(a,a-dimethylbenzyl)-, P-(ALPHA-CUMYL)PHENOL, 2-Phenyl-2-(4'-hydroxyphenyl)propane

4-Cumylphenol, with the chemical formula C15H16O and CAS registry number 599-64-4, is a compound known for its applications in various industries.
This white crystalline solid, also referred to as p-tert-Butylphenol, 4-Cumylphenol, is characterized by its tert-butyl and phenol functional groups.
4-Cumylphenol is an alkyl-substituted phenol containing a phenolic hydroxyl group and a bulky cumyl group, formally named 4-(2-phenylpropan-2-yl)phenol.

4-Cumylphenol is also known as p-cumylphenol and 4-(α,α-dimethylbenzyl)phenol.
Structurally, 4-Cumylphenol consists of a phenol ring para-substituted with a 2-phenylpropan-2-yl group.
4-Cumylphenol is an aromatic organic compound with one hydroxyl group and two phenyl rings.

4-Cumylphenol is a para-substituted alkylphenol.
4-Cumylphenol contains a phenolic ring with a bulky cumyl group at the para position.
The cumyl group is essentially a 2-phenylpropan-2-yl group, giving the molecule two aromatic rings and a tertiary carbon center attached to two methyl groups.

The molecular structure of 4-Cumylphenol can therefore be described as: Phenol ring – C(CH₃)₂ – phenyl ring
The hydroxyl group is responsible for the characteristic chemistry of phenols, including weak acidity and hydrogen-bonding ability.
The two aromatic rings and hydrocarbon portion give the compound relatively high hydrophobicity.

Because of this combination of a reactive phenolic group and a bulky hydrophobic structure, 4-cumylphenol is useful in polymer chemistry, resin chemistry and specialty chemical synthesis.
4-Cumylphenol is a polycarbonate chain terminator.

4-Cumylphenol also induces lipid accumulation in mouse adipocytes.
4-Cumylphenol is a diarylmethane.
4-Cumylphenol is a cream solid.

USES and APPLICATIONS of 4-CUMYLPHENOL:
4-Cumylphenol is primarily used as an industrial chemical intermediate and polymer additive, especially as a chain terminator/modifier in the manufacture of polycarbonates.
4-Cumylphenol is also used in the production of phenolic resins, specialty surfactants and certain other chemical products.
4-Cumylphenol has additionally been investigated as an intermediate for insecticides and lubricants.

Lubricant intermediates: 4-Cumylphenol has also been identified as an intermediate in the production of certain lubricants and lubricant-related chemicals.
4-Cumylphenol is widely used as a material for polycarbonate plastics, surfactants, fungicides and preservatives.
Uses of 4-Cumylphenol: Intermediate for resins, insecticides, lubricants.

4-Cumylphenol is used Surfactants, Phenolic Resins, Polycarbonate Chain Terminator.
4-Cumylphenol is a useful reagent for preparing and characterizing aromatic polyphosphonates as high refractive index polymers.
It is commonly used as a raw material in the production of antioxidants, flame retardants 4-Cumylphenol, and polymer additives.

4-Cumylphenol is also utilized in the synthesis of pharmaceutical intermediates and as a stabilizer in the manufacturing of rubber and plastics.
4-Cumylphenol is important to handle this compound with care, as it may cause skin and eye irritation.
Overall, 4-Cumylphenol plays a significant role in various chemical processes and industries due to its versatile properties and applications.

4-Cumylphenol uses and applications include: Intermediate for resins, insecticides, lubricants, surfactants; chain terminator for PC food packaging resins; modifier for epoxy, furan, and phenolic resins
4-Cumylphenol is used as an intermediate for resins, insecticides, and lubricants.

4-Cumylphenol is used in surfactants, Phenolic Resins, Polycarbonate Chain Terminator, Intermediates.
Primary Applications of 4-Cumylphenol: Surfactant, Phenolic Resin, Polycarbonate Chain Terminator, Others

-Polycarbonate production uses of 4-Cumylphenol:
One of the most important applications of 4-cumylphenol is its use as a chain terminator in polycarbonate production.
During polycarbonate manufacture, phenolic compounds can react with reactive polymer-chain ends and regulate the final polymer molecular weight.
4-Cumylphenol is particularly useful in this role because its single phenolic hydroxyl group can react with polymer intermediates while the bulky hydrophobic substituent remains incorporated at the chain end.

-Polycarbonate molecular-weight control uses of 4-Cumylphenol:
Its chain-terminating function is particularly valuable because polymer properties depend strongly on molecular weight.
By controlling the amount of chain-terminating phenol used during polymerization, manufacturers can influence the average molecular weight and processing characteristics of the resulting polycarbonate.
Therefore, 4-cumylphenol is not simply a general solvent or additive; it can function as a reactive molecular-weight regulator during polymer production.

-Phenolic resins uses of 4-Cumylphenol:
4-Cumylphenol is also used as an intermediate in the production of phenolic resins.
Phenolic resins are important thermosetting materials used in adhesives, coatings, electrical components and other industrial applications.
Phenolic resins among 4-Cumylphenol's applications, including resins used in the electronics industry.

-Specialty surfactant uses of 4-Cumylphenol:
4-Cumylphenol can react with ethylene oxide to form specialty surfactants.
This converts the hydrophobic alkylphenol structure into an ethoxylated derivative containing a hydrophilic polyether chain.
Such structural modification can provide amphiphilic properties useful in specialty chemical applications.

-Insecticide intermediates uses of 4-Cumylphenol:
4-cumylphenol as an intermediate associated with insecticide manufacture.
This is an intermediate use rather than an indication that 4-cumylphenol itself should be considered an insecticide.

-Polymer research uses of 4-Cumylphenol:
4-Cumylphenol has been used as a reagent in research involving aromatic polyphosphonates and high-refractive-index polymers.
4-Cumylphenol's use in preparing and characterizing aromatic polyphosphonates intended as high-refractive-index polymer materials.

-Analytical and environmental research uses of 4-Cumylphenol:
4-Cumylphenol is also used as an analytical target compound in environmental chemistry.
4-Cumylphenol has been included in analytical methods for determining endocrine-disrupting phenols in water and other environmental matrices.

BENEFITS AND INDUSTRIAL VALUE of 4-CUMYLPHENOL:
The primary industrial value of 4-cumylphenol comes from its combination of one reactive phenolic hydroxyl group with a bulky hydrophobic aromatic structure.

This allows 4-Cumylphenol to function as:
A polymer chain terminator,
A molecular-weight regulator,
A phenolic-resin intermediate,
A specialty-surfactant precursor
An intermediate for other specialty chemicals,
and a research reagent for advanced polymer materials.

4-Cumylphenol's single hydroxyl group is particularly important.
Unlike bisphenol compounds containing two phenolic groups, 4-cumylphenol has only one phenolic OH, which makes it suitable for chain-end control rather than crosslinking through two phenolic functionalities.

POLYMER CHEMISTRY CHARACTERISTICS of 4-CUMYLPHENOL:
4-Cumylphenol is especially interesting in polymer chemistry because its phenolic OH can react while the bulky aromatic substituent remains attached.
In polycarbonate manufacture, this can terminate a growing polymer chain.

Conceptually:
Growing polycarbonate chain + 4-cumylphenol → capped polymer chain
The amount of chain terminator can therefore influence the molecular-weight distribution and final polymer properties.
The bulky aromatic group also contributes to 4-Cumylphenol and physical character of the polymer chain end.

INDUSTRIAL IMPORTANCE of 4-CUMYLPHENOL:
4-Cumylphenol is particularly valuable because it occupies an intermediate position between a simple phenol and a more complex polymer-functional molecule.
4-Cumylphenol's phenolic OH gives it chemical reactivity.
Its bulky aromatic structure gives 4-Cumylphenol hydrophobic and steric properties.

Its single reactive OH makes 4-Cumylphenol useful for chain termination and end-group control.
4-Cumylphenol's two aromatic rings contribute rigidity and high polarizability.
These characteristics explain why 4-Cumylphenol has found applications in polycarbonates, phenolic resins, specialty surfactants and other industrial chemical systems.

ANALYTICAL SIGNIFICANCE of 4-CUMYLPHENOL:
4-Cumylphenol is also an important environmental analytical target.
Because alkylphenols can occur in wastewater and natural waters, analytical methods have been developed to detect them at low concentrations.
One published method specifically targeted 4-cumylphenol together with 4-tert-butylphenol, 4-tert-octylphenol, 2,4-di-tert-butylphenol and 4-nonylphenol in seawater and detergent samples.
This makes 4-cumylphenol relevant not only to industrial chemistry but also to environmental monitoring and analytical chemistry.

CHARACTERISTICS of 4-CUMYLPHENOL:
4-Cumylphenol is a white to off-white, high-boiling, moderately hydrophobic alkylphenol with a melting point around 74–76 °C.
4-Cumylphenol's molecular formula is C₁₅H₁₆O, its molecular weight is 212.29 g/mol, its CAS number is 599-64-4, and its EC number is 209-968-0.
4-Cumylphenol's most important chemical feature is the combination of a single phenolic hydroxyl group and a bulky hydrophobic cumyl group.

This gives 4-Cumylphenol weak acidic behavior, hydrogen-bonding capability, moderate hydrophobicity and useful reactivity for polymer and specialty chemical synthesis.
4-Cumylphenol's most important industrial application is its role as a chain terminator in polycarbonate manufacture, where it helps control polymer molecular weight.
4-Cumylphenol is also associated with phenolic resin production and the manufacture of specialty surfactants, insecticide intermediates and lubricant-related chemicals.
From an environmental and safety perspective, 4-cumylphenol deserves particular attention.

CHEMICAL PROPERTIES of 4-CUMYLPHENOL:
4-Cumylphenol is a phenolic compound.
4-Cumylphenol's most chemically important functional group is the hydroxyl group attached directly to an aromatic ring.
The phenolic hydroxyl proton can be removed under sufficiently basic conditions, producing a phenoxide ion.

This is why 4-cumylphenol behaves as a weak organic acid.
4-Cumylphenol's predicted pKa of approximately 10.6 means that it is predominantly present in its neutral form under ordinary mildly acidic or neutral environmental conditions.
The hydroxyl group can participate in hydrogen bonding, while the aromatic rings and hydrocarbon portion contribute significant hydrophobicity.
4-Cumylphenol is generally stable under normal storage conditions.

STRUCTURAL CHARACTERISTICS of 4-CUMYLPHENOL:
The chemical structure of 4-Cumylphenol can be simplified as:
HO–C₆H₄–C(CH₃)₂–C₆H₅
The phenolic hydroxyl group and cumyl group are located in the para (4-) positions relative to one another.
This para arrangement produces a relatively symmetrical molecular architecture compared with many ortho- or meta-substituted phenols.
The bulky cumyl group increases the molecular size and hydrophobic character while reducing the accessibility of the aromatic system around the substituted carbon.

ELECTRONIC CHARACTERISTICS of 4-CUMYLPHENOL:
The phenolic hydroxyl group can donate electron density into the aromatic ring through resonance.
This affects the electronic properties of 4-Cumylphenol and makes the aromatic ring more reactive toward certain electrophilic substitution reactions.
The cumyl substituent is also electron-releasing through inductive/hyperconjugative effects.
Consequently, 4-cumylphenol is an electronically activated substituted phenol rather than an inert aromatic hydrocarbon.

ACID–BASE CHARACTERISTICS of 4-CUMYLPHENOL:
4-Cumylphenol behaves as a weak acid because its hydroxyl proton can be removed to form a resonance-stabilized phenoxide species.
The approximate predicted pKa of 4-Cumylphenol is 10.62.
At neutral pH, only a relatively small fraction is expected to exist as the phenoxide anion.
At higher pH, deprotonation becomes increasingly important.
The ionized form is substantially more water-compatible than the neutral phenol, which can influence 4-Cumylphenol's environmental transport and partitioning behavior.

SOLUBILITY CHARACTERISTICS of 4-CUMYLPHENOL:
4-Cumylphenol has limited water solubility.
Approximately 18 mg/L at 22 °C, whereas ECHA registration information includes a calculated/estimated value around 164.3 mg/L.
Because these values are not identical, 4-Cumylphenol is preferable to report the source and method when using water-solubility data in a technical document.

The relatively limited solubility is consistent with 4-Cumylphenol's:
Two aromatic rings,
One phenolic hydroxyl group,
Moderately high log P,
and relatively large hydrophobic surface.
4-Cumylphenol is reported as slightly soluble in DMSO and methanol.

METHODS OF MANUFACTURING of 4-CUMYLPHENOL:
4-Cumylphenol is formed to a certain extent during acid-catalyzed cleavage of cumene hydroperoxide.
The high boiling still bottoms of phenol-acetone plants are a potential source for this aralkylphenol, which is, however, not exploited.

4-CUMYLPHENOL MARKET OVERVIEW 2026-2033
The 4-Cumylphenol market represents a specialized segment within the broader chemical manufacturing ecosystem, primarily serving as a critical intermediate in the production of high-performance polymers, epoxy resins, and specialty chemicals.
4-Cumylphenol, characterized by its phenolic structure with a cumyl group attached, is valued for its thermal stability, chemical resistance, and versatility in downstream applications.

4-Cumylphenol's existence is driven by the escalating demand for durable materials across industries such as automotive, electronics, construction, and aerospace, where performance standards are continually intensifying.
The market's current acceleration is underpinned by a confluence of technological advancements and shifting regulatory landscapes.

Innovations in catalytic processes have enhanced the efficiency and yield of cumylphenol synthesis, reducing production costs and environmental impact.
Concurrently, stringent regulations on volatile organic compounds (VOCs) and hazardous emissions have prompted manufacturers to adopt cleaner, more sustainable production methods, further fueling market growth.
These dynamics are complemented by increasing investments in research and development aimed at expanding application horizons and improving product quality.

PHYSICAL and CHEMICAL PROPERTIES of 4-CUMYLPHENOL:
Chemical name: 4-Cumylphenol
IUPAC name: 4-(2-Phenylpropan-2-yl)phenol
CAS Number: 599-64-4
EC Number: 209-968-0
EINECS Number: 209-968-0
PubChem CID: 11742
ChemSpider ID: 11249
ChEBI ID: CHEBI:35092
ChEMBL ID: CHEMBL194805
DSSTox Substance ID: DTXSID3022536
Molecular Formula: C₁₅H₁₆O
Molecular Weight: 212.29 g/mol
Exact molecular weight: approximately 212.1201 Da

Monoisotopic mass: approximately 212.1201 Da
Chemical class: Alkylphenol / substituted phenol / aromatic organic compound
Physical state at room temperature: Solid
Appearance: White to off-white crystalline solid
Odor: Generally described as odorless
Functional group: Phenolic hydroxyl group
InChI: InChI=1S/C15H16O/c1-15(2,12-6-4-3-5-7-12)13-8-10-14(16)11-9-13/h3-11,16H,1-2H3
InChIKey: QBDSZLJBMIMQRS-UHFFFAOYSA-N
Canonical SMILES: CC(C)(C1=CC=CC=C1)C2=CC=C(C=C2)O

ECHA identifies the substance as 4-(2-phenylpropan-2-yl)phenol, CAS 599-64-4, EC 209-968-0 and formula C₁₅H₁₆O.
PubChem provides the same principal identifiers and molecular weight.
Physical state: Solid at approximately 20 °C under normal atmospheric conditions.
Appearance: White to off-white solid/crystalline material.
Odor: Generally odorless.
Melting point: 74–76 °C according to ChemicalBook; ECHA registration data report approximately 72.5–76 °C, with a processed summary value of 73.5 °C.
Boiling point: ChemicalBook reports 335 °C, while ECHA registration data contain measured/reported values in the range of 281–310 °C, with a processed value of 310 °C.
The discrepancy is important, so the value should be treated as source-dependent rather than as one absolute number.
Density: ChemicalBook reports approximately 1.115 g/cm³; ECHA registration data report 1.02–1.09 g/cm³ over 20–85 °C.
Flash point: Approximately 160 °C according to ChemicalBook.
Refractive index: Approximately 1.5725, listed as an estimate.

Vapor pressure: Extremely low; ChemicalBook lists approximately 0 Pa at 25 °C.
Water solubility: Approximately 18 mg/L at 22 °C in the ChemicalBook entry. ECHA registration information includes a water-solubility estimate of approximately 164.3 mg/L, illustrating that reported/estimated values vary substantially depending on methodology and source.
Solubility in DMSO: Slightly soluble.
Solubility in methanol: Slightly soluble.
Storage temperature: Room temperature under an inert atmosphere is listed by ChemicalBook.
Form: Solid.
Color: White to off-white.
Log P: Approximately 3.8 at 22 °C according to ChemicalBook; ECHA registration information also reports a calculated value of approximately 4.123 and a user-entered value of 3.800.

pKa: Approximately 10.62 ± 0.10, predicted by ChemicalBook.
Henry's Law constant: Approximately 1.1 × 10² mol/(m³·Pa) at 25 °C in the ChemicalBook entry.
Combustibility: Combustible organic solid.
The ECHA data are particularly useful here because they show that some properties are reported from multiple registration dossiers, and values can differ between experimental studies, estimates and supplier data.
Carbon atoms: 15
Hydrogen atoms: 16
Oxygen atoms: 1
Nitrogen atoms: 0
Halogen atoms: 0
Phenolic hydroxyl groups: 1
Aromatic rings: 2
Phenyl groups: 2

Tertiary carbon center: 1
Methyl groups: 2
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 1
Formal charge: 0
Rotatable bonds: Limited
Molecular geometry: Relatively rigid aromatic groups connected through a tetrahedral tertiary carbon.
Aromatic character: High.
Hydrophobicity: Moderate-to-high.
Volatility: Low under ordinary conditions.
Polarity: Relatively low-to-moderate because only one oxygen atom is present.

The molecular structure is substantially more hydrophobic than simple phenol because the molecule contains two aromatic rings and a hydrocarbon-rich cumyl substituent.
Molecular Weight: 212.29 g/mol
XLogP3: 3.7
Hydrogen Bond Donor Count: 1
Hydrogen Bond Acceptor Count: 1
Rotatable Bond Count: 2
Exact Mass: 212.120115130 Da
Monoisotopic Mass: 212.120115130 Da
Topological Polar Surface Area: 20.2 Å²
Heavy Atom Count: 16
Formal Charge: 0

Complexity: 207
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
Linear Formula: C6H5C(CH3)2C6H4OH
CAS Number: 599-64-4
Molecular Weight: 212.29
NACRES: NA.22
PubChem Substance ID: 24893104

UNSPSC Code: 12352100
EC Number: 209-968-0
MDL Number: MFCD00002365
Assay: 99%
Form: crystals
Physical State: solid
Form: crystalline
Color: white
Odor: No data available
Melting Point/Range: 74 - 76 °C
Method: lit.
Boiling Point/Boiling Range: 335 °C
Method: lit.

Flammability: No data available
Upper Explosion Limit/Upper Flammability Limit: No data available
Lower Explosion Limit/Lower Flammability Limit: No data available
Flash Point: No data available
Autoignition Temperature: No data available
Decomposition Temperature: No data available
pH: No data available
Viscosity, Dynamic: No data available
Viscosity, Kinematic: No data available
Flow Time: No data available
Water Solubility: No data available

Partition Coefficient: n-octanol/water: No data available
Vapor Pressure: No data available
Relative Density: No data available
Density: No data available
Relative Vapour Density: No data available
Explosives: No data available
Oxidizing Properties: No data available
Burning Rate: No data available
Evaporation Rate: No data available
Molecular Weight: 212,29 g/mol
CBNumber: CB1710366
Molecular Formula: C15H16O
Molecular Weight: 212.29

MDL Number: MFCD00002365
MOL File: 599-64-4.mol
Melting Point: 74-76 °C (lit.)
Boiling Point: 335 °C (lit.)
Density: 1,115 g/cm3
Vapor Pressure: 0Pa at 25℃
Refractive Index: 1.5725 (estimate)
Flash Point: 160 °C
Storage Temperature: Inert atmosphere, Room Temperature
Solubility: DMSO (Slightly), Methanol (Slightly)
pKa: 10.62±0.10 (Predicted)

Form: Solid
Color: White to Off-White
Water Solubility: 18mg/L at 22℃
BRN: 1870517
Henry's Law Constant: 1.1×102 mol/(m3Pa) at 25℃, HSDB (2015)
Stability: Stable. Incompatible with oxidizing agents, acid chlorides, acid anhydrides. Combustible.
InChI: 1S/C15H16O/c1-15(2,12-6-4-3-5-7-12)13-8-10-14(16)11-9-13/h3-11,16H,1-2H3
InChIKey: QBDSZLJBMIMQRS-UHFFFAOYSA-N
SMILES: CC(C)(c1ccccc1)c2ccc(O)cc2
LogP: 3.8 at 22℃

CAS Database Reference: 599-64-4(CAS Database Reference)
Indirect Additives used in Food Contact Substances: P-CUMYLPHENOL
FDA 21 CFR: 177.1580; 177.1585
EWG's Food Scores: 1
FDA UNII: 2RLA3OL3QT
NIST Chemistry Reference: p-«alpha»-Cumylphenol(599-64-4)
EPA Substance Registry System: p-Cumylphenol (599-64-4)
UNSPSC Code: 12352100
NACRES: NA.22
Other(deleted CASRN): 28261-59-8
ECHA EINECS - REACH Pre-Reg: 209-968-0
FDA UNII: 2RLA3OL3QT

Nikkaji Web: J6.797K
Beilstein Number: 1870517
MDL: MFCD00002365
XlogP3-AA: 3.70 (est)
Molecular Weight: 212.29172000
Formula: C15 H16 O
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Soluble in: water, 43.27 mg/L @ 25 °C (est)
Beilstein: 1870517

CAS: 599-64-4
ChEBI: CHEBI:35092
Chemical Name or Material: 4-Cumylphenol
Density: 1.115
EINECS Number: 209-968-0
Flash Point: 160°C (320°F)
Formula Weight: 212.29
IUPAC Name: 4-(2-phenylpropan-2-yl)phenol
InChI Key: QBDSZLJBMIMQRS-UHFFFAOYSA-N

MDL Number: MFCD00002365
Melting Point: 70°C to 73°C
Molecular Formula: C15H16O
PubChem CID: 11742
RTECS Number: SL1942450
Recommended Storage: Ambient temperatures
SMILES: CC(C)(C1=CC=CC=C1)C2=CC=C(C=C2)O
TSCA: Yes
Boiling Point: 189°C to 191°C (10 mmHg)
Molecular Weight (g/mol): 212.292

FIRST AID MEASURES of 4-CUMYLPHENOL:
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available

ACCIDENTAL RELEASE MEASURES of 4-CUMYLPHENOL:
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.

FIRE FIGHTING MEASURES of 4-CUMYLPHENOL:
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.

EXPOSURE CONTROLS/PERSONAL PROTECTION of 4-CUMYLPHENOL:
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.

HANDLING and STORAGE of 4-CUMYLPHENOL:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.

STABILITY and REACTIVITY of 4-CUMYLPHENOL:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available

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