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Propiolic acid

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Identification
Molecular formula
C3H2O2
CAS number
471-25-0
IUPAC name
prop-2-ynoic acid
State
State

At room temperature, propiolic acid exists as a liquid. It is relatively stable but requires careful handling due to its reactive triple bond and its acidity.

Melting point (Celsius)
6.00
Melting point (Kelvin)
279.15
Boiling point (Celsius)
143.00
Boiling point (Kelvin)
416.15
General information
Molecular weight
70.05g/mol
Molar mass
70.0390g/mol
Density
1.0500g/cm3
Appearence

Propiolic acid is a colorless liquid when pure. However, it may appear as a pale yellow liquid if impurities are present. It is known for its acrid and pungent odor.

Comment on solubility

Solubility of Prop-2-ynoic Acid

Prop-2-ynoic acid, also known as propyne-1-carboxylic acid, is a compound with intriguing solubility characteristics. Being a carboxylic acid, it displays solubility that can be influenced by several factors.

Solubility in Water

Prop-2-ynoic acid is considered to be:

  • Moderately soluble in water due to its polar carboxylic acid group, which can form hydrogen bonds with water molecules.
  • More soluble at higher temperatures, as the increased kinetic energy can overcome the interactions between solute molecules.

Solubility in Organic Solvents

In addition to its interaction with water, prop-2-ynoic acid exhibits good solubility in various organic solvents, including:

  • Ethanol
  • Acetone
  • Diethyl ether

This versatility in solubility is a critical aspect of its chemical behavior, making it applicable in various organic synthesis processes.

Conclusion

In summary, the solubility of prop-2-ynoic acid is notably impacted by both the temperature and the type of solvent used. Understanding these properties is essential for appropriately utilizing this compound in laboratory and industrial applications.

Interesting facts

Interesting Facts about Prop-2-ynoic Acid

Prop-2-ynoic acid, more commonly known as acrylic acid, is a fascinating compound that plays an essential role in various industrial applications. As an aliphatic carboxylic acid, it boasts a unique structure that contributes to its versatility and reactivity.

Key Characteristics and Applications

  • Building Block for Polymers: Acrylic acid is primarily used as a key feedstock for the production of superabsorbent polymers, commonly found in diapers and feminine hygiene products.
  • Versatile Chemical Reagent: Its ability to undergo polymerization makes it crucial in the synthesis of coatings, adhesives, and textiles.
  • Role in the Cosmetic Industry: The compound is also utilized in the formulation of various cosmetic products due to its properties that enhance skin feel and stability.
  • Environmental Considerations: While widely used, the production and handling of acrylic acid require careful management to minimize potential hazards and environmental impact.

Chemistry Behind Prop-2-ynoic Acid

With a simple yet impactful structure, prop-2-ynoic acid features a triple bond between carbon atoms, which contributes to its reactivity. The following points highlight its interesting chemical properties:

  • Acidity: Like other carboxylic acids, prop-2-ynoic acid exhibits typical acidic properties, donating a proton to form its conjugate base.
  • Polymer Formation: The compound can undergo various addition reactions, leading to the formation of numerous polymeric materials.
  • Intermolecular Interactions: Strong hydrogen bonding interactions can occur, influencing the properties of its derivatives.

A Final Thought

As scientists continue to explore the potential of prop-2-ynoic acid, its role in both innovative advancements and everyday products remains significant. The quote, “In every molecule, there lies a story waiting to be told,” perfectly encapsulates the journey of this compound through research and application.

Synonyms
PROPIOLIC ACID
471-25-0
2-Propynoic acid
prop-2-ynoic acid
Propynoic acid
Acetylenecarboxylic acid
propiolate
Propinsaeure
Propiolsaeure
propinic acid
UNII-P2QW39G9LZ
EINECS 207-437-8
P2QW39G9LZ
NSC 16152
CHEBI:33199
HSDB 7857
NSC-16152
HC.$.CCOOH
acetylenemonocarboxylic acid
PROPIOLIC ACID [MI]
DTXSID6060050
2-PROPYNE-1-CARBOXYLIC ACID
2Propynoic acid
Carboxy acetylene
DTXCID1040532
207-437-8
un2920
uorvclmrjxcdcp-uhfffaoysa-n
Propargylic acid
Propiolic acidd
Carboxyacetylene
MFCD00004360
Acetylenemonocarboxylate
A1BXY
26969-44-8
Acetylene carboxylic acid
HC.equiv.CCOOH
HC#CCOOH
Propiolic acid, 95%
CHEMBL1213530
BCP18740
NSC16152
STR03210
BBL011346
s6108
STL146436
AKOS000121542
FP07024
Acetylenecarboxylic acid;Propargylic acid
Propiolic acid, technical, >=95% (T)
DB-070776
NS00031666
P0497
EN300-21202
C00804
F10329
Q257590
F2191-0185
Z104493798