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Isopropyl Paraben

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Identification
Molecular formula
C10H12O3
CAS number
4191-73-5
IUPAC name
isopropyl 4-hydroxybenzoate
State
State

At room temperature, isopropyl paraben is in a solid state. It can be found as crystalline or powder form.

Melting point (Celsius)
68.00
Melting point (Kelvin)
341.15
Boiling point (Celsius)
297.50
Boiling point (Kelvin)
570.70
General information
Molecular weight
194.20g/mol
Molar mass
194.2210g/mol
Density
1.0670g/cm3
Appearence

Isopropyl paraben appears as a white crystalline solid. It is often also available as a powder.

Comment on solubility

Solubility of Isopropyl 4-hydroxybenzoate

Isopropyl 4-hydroxybenzoate, commonly known as a preservative, exhibits specific solubility characteristics that are crucial for its use in various applications. Understanding its solubility can help in determining its efficacy and compatibility in formulations.

Key Solubility Features:

  • Solvent Compatibility: Isopropyl 4-hydroxybenzoate is primarily soluble in organic solvents, such as ethanol and methanol, which facilitates its incorporation into many cosmetic and pharmaceutical products.
  • Water Solubility: Its solubility in water is relatively low, thus it may require emulsifying agents when used in aqueous formulations.
  • Concentration Effects: The solubility may vary depending on the concentration of isopropyl 4-hydroxybenzoate; higher concentrations can lead to saturation points being reached more quickly in aqueous systems.
  • Temperature Influence: Increased temperatures can enhance solubility, making it easier to dissolve in solvents, thus helping in the formulation process.

In summary, while isopropyl 4-hydroxybenzoate shows good solubility in organic solvents, its limited solubility in water necessitates careful formulation techniques. As noted, it is important to consider the effects of concentration and temperature to optimize its performance in various applications.

Interesting facts

Interesting Facts about Isopropyl 4-Hydroxybenzoate

Isopropyl 4-hydroxybenzoate, commonly known as *isopropyl paraben*, is an organic compound that has garnered significant attention in the fields of chemistry and cosmetics. Here are some fascinating aspects of this compound:

  • Preservative Properties: It is widely utilized as a preservative in various cosmetic products, including creams, lotions, and shampoos, due to its ability to prevent the growth of harmful bacteria and fungi.
  • Safety and Approval: The compound is recognized as safe for use by various health authorities, including the FDA, which has reviewed its application in food and cosmetics, ensuring public safety.
  • Broad Spectrum Efficacy: Isopropyl 4-hydroxybenzoate is effective against a wide range of microorganisms, making it a versatile choice for preserving not only cosmetics but also pharmaceuticals.
  • Structural Insights: Its chemical structure features a hydroxy group that contributes to its antimicrobial properties, while the isopropyl group enhances its solubility in formulations.
  • Environmental Considerations: As consumers become more aware of ingredient safety and environmental impact, the use of parabens, including isopropyl 4-hydroxybenzoate, has sparked debates. Researchers are continually studying the long-term effects of these compounds on both human health and ecosystems.

In conclusion, isopropyl 4-hydroxybenzoate serves as an excellent case study highlighting the balance between preserving product efficacy and ensuring consumer safety. Its widespread application in everyday products demonstrates its significance in the beauty and personal care industry.

Synonyms
Isopropyl 4-hydroxybenzoate
Isopropylparaben
4191-73-5
Isopropyl p-hydroxybenzoate
p-Hydroxybenzoic acid isopropyl ester
Benzoic acid, 4-hydroxy-, 1-methylethyl ester
p-Oxybenzoesaureisopropylester
1-Methylethyl 4-hydroxybenzoate
1-Methylethyl-4-hydroxybenzoate
EINECS 224-069-3
A6EOX47QK0
p-Oxybenzoesaureisopropylester [German]
BRN 2641564
4-Hydroxybenzoic acid, 1-methylethyl ester
BENZOIC ACID, p-HYDROXY-, ISOPROPYL ESTER
DTXSID3052858
i-Pr 4-OH-benzoate
ISOPROPYLPARABEN [INCI]
DTXCID0031269
Benzoic acid, 4-hydroxy-, 1-methylethyl ester (9CI)
224-069-3
isopropyl paraben
propan-2-yl 4-hydroxybenzoate
4-Hydroxybenzoic Acid Isopropyl Ester
Isopropyl-4-hydroxybenzoate
CHEMBL2333962
Isopropylhydroxybenzoate
UNII-A6EOX47QK0
MFCD00016468
SCHEMBL34494
MSK2539
CHEBI:179285
BDBM50428379
STK345860
4-Hydroxybenzoic acid-isopropyl ester
4-hydroxy-benzoic acid isopropyl ester
AKOS000319522
ISOPROPYL PARA HYDROXY BENZOATE
p-Hydroxybenzoic acid iso-propyl ester
CS-W017207
FI64885
HY-W016491
AC-15526
AC-34544
AS-11940
DA-74580
H0494
I0817
NS00002618
EN300-31718
C20343
Q15426255
Z53833637
Isopropyl 4-hydroxybenzoate, analytical reference material