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p-Anisic acid

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Identification
Molecular formula
C8H8O3
CAS number
100-09-4
IUPAC name
4-methoxybenzoic acid
State
State

At room temperature, p-Anisic acid is in the form of a solid, specifically a crystalline powder, making it easy to handle and weigh for various chemical processes or reactions.

Melting point (Celsius)
184.00
Melting point (Kelvin)
457.15
Boiling point (Celsius)
275.50
Boiling point (Kelvin)
548.70
General information
Molecular weight
152.15g/mol
Molar mass
152.1490g/mol
Density
1.3746g/cm3
Appearence

p-Anisic acid is a white crystalline solid with a faint aromatic odor. It is typically found in powder or needle-like crystal form and is soluble in organic solvents such as methanol and ethanol.

Comment on solubility

Solubility of 4-Methoxybenzoic Acid

4-Methoxybenzoic acid, with the chemical formula C9H10O3, exhibits notable solubility characteristics that are essential for its applications in various fields. Below are key points regarding its solubility:

  • Solvent Compatibility: This compound is known to be soluble in a variety of organic solvents including ethanol, ether, and chlorinated solvents. This makes it quite versatile in laboratory and industrial contexts.
  • Water Solubility: 4-Methoxybenzoic acid has limited solubility in water, attributable to its hydrophobic aromatic ring. However, its carboxylic acid functional group does impart some degree of aqueous solubility under specific conditions.
  • Temperature Effect: As with many organic compounds, the solubility of 4-methoxybenzoic acid can increase with temperature, making it easier to dissolve in hot solvents.
  • pH Influence: The solubility in water can be influenced by the pH of the solution; in more alkaline conditions, the deprotonation of the carboxylic acid group can enhance solubility.

In summary, while 4-methoxybenzoic acid shows significant solubility in organic solvents, its behavior in aqueous solutions is more complex, highly influenced by factors such as temperature and pH. This duality is a common trait among aromatic carboxylic acids, making them intriguing for further study and application.

Interesting facts

Interesting Facts about 4-Methoxybenzoic Acid

4-Methoxybenzoic acid, often referred to as p-anisic acid, is a fascinating aromatic compound that showcases the diversity of organic chemistry. This compound is an aromatic acid featuring a methoxy group attached to the benzene ring, influencing both its chemical properties and its applications. Here are some intriguing aspects to consider:

  • Structural Significance: The presence of the methoxy group (–OCH3) enhances electron density on the aromatic ring, making it more reactive in electrophilic substitution reactions. This positions it conveniently for further chemical modifications.
  • Natural Origins: 4-Methoxybenzoic acid is naturally found in various plants and can be extracted from substances such as certain essential oils. This highlights its role in nature and potential uses in natural product chemistry.
  • Industrial Applications: This compound is vital in the synthesis of various pharmaceuticals and other organic compounds. Its derivatives have been utilized in the production of dyes and other important materials.
  • Taste and Smell: 4-Methoxybenzoic acid has a characteristic sweet aroma, which has led to its use in the fragrance industry. Its pleasing scent appeals to perfumers looking to create unique fragrance profiles.
  • Research Interest: This compound has garnered attention in scientific research, particularly in studies related to anti-inflammatory and antioxidant activities. Its effects continue to be analyzed for potential health benefits.

In summary, 4-methoxybenzoic acid is more than just a simple compound; it’s a multifaceted player in both natural and synthetic chemistry. Its broad range of applications and interests makes it a subject worth exploring for both budding chemists and seasoned researchers alike.

Synonyms
4-METHOXYBENZOIC ACID
p-Anisic acid
100-09-4
ANISIC ACID
p-Methoxybenzoic acid
Benzoic acid, 4-methoxy-
Draconic acid
4-Anisic acid
ANISIC ACID, PARA
para-anisic acid
1335-08-6
Anisic acid, p-isomer
P-Methoxy Benzoic Acid
Kyselina 4-methoxybenzoova
MFCD00002542
4-methoxy-benzoic acid
4-Methoxy benzoic acid
UNII-4SB6Y7DMM3
EINECS 202-818-5
4SB6Y7DMM3
NSC 32742
BRN 0508910
CHEBI:40813
AI3-00893
Methoxybenzoic acid
NSC-32742
DTXSID4059205
FEMA NO. 3945
4-10-00-00346 (Beilstein Handbook Reference)
4-Methoxybenzoic acid;Draconic acid
p-anisate
p-methoxybenzoate
ANN
4-methoxybenzoicacid
Benzoic acid, methoxy-
Kyselina 4-methoxybenzoova [Czech]
anisoic acid
EINECS 215-618-8
4-methoxylbenzoic acid
1sv3
paramethoxy benzoic acid
P-ANISIC ACID,
4-(methoxy)benzoic acid
p-Anisic acid (Standard)
4-(methyloxy)benzoic acid
bmse000356
bmse010012
NCIOpen2_004706
P-ANISIC ACID [MI]
SCHEMBL43335
CHEMBL21932
DTXCID0032445
SCHEMBL12015259
HY-N1394R
p-Anisic acid, >=99%, FG
NSC7926
BDBM243072
HMS1760M22
HMS3604D05
HMS3746I21
p-Anisic acid, analytical standard
BCP29617
CS-B1766
HY-N1394
NSC-7926
NSC32742
STR02874
p-Anisic acid, natural, 99%, FG
AB2885
STK498216
4-METHOXYBENZOIC ACID [FHFI]
AKOS000118883
DB02795
FM00503
PS-3382
NCGC00382881-02
AC-11353
BP-10768
SY001719
DB-023671
A0482
NS00013936
4-Methoxybenzoic acid, ReagentPlus(R), 99%
Anisic acid-Melting point 183.5 degrees C
EN300-17433
C02519
p-Anisic acid, Vetec(TM) reagent grade, 98%
Anisic acid - Melting point 183.5 masculineC
AE-848/32075009
Q4566032
Melting point standard 182-184C, analytical standard
Z56931884
F1335-0001
4-Methoxybenzoic acid, certified reference material, TraceCERT(R)
InChI=1/C8H8O3/c1-11-7-4-2-6(3-5-7)8(9)10/h2-5H,1H3,(H,9,10
202-818-5
4-Methoxy-benzoic Acid; 4-Anisic acid; Anisic acid pound>>p-Anisic acid pound>>p-Methoxybenzoic acid