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Formic acid

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Identification
Molecular formula
HCOOH
CAS number
64-18-6
IUPAC name
formate
State
State

Formic acid is in a liquid state at room temperature. It is water-miscible and can form a solid (crystalline) form when cooled below its melting point.

Melting point (Celsius)
8.40
Melting point (Kelvin)
281.55
Boiling point (Celsius)
100.80
Boiling point (Kelvin)
373.95
General information
Molecular weight
46.03g/mol
Molar mass
46.0250g/mol
Density
1.2200g/cm3
Appearence

Formic acid is a colorless liquid with a characteristic pungent odor. It is known to be corrosive and can cause irritation upon contact with skin. The liquid is typically transparent and can appear slightly fuming in air due to its volatility.

Comment on solubility

Solubility of Formic Acid (HCOOH)

Formic acid, with the chemical formula HCOOH, is known for its interesting solubility properties. Its solubility aspects can be summarized as follows:

  • Highly soluble in water: Formic acid is miscible with water in all proportions, making it an excellent solvent for various applications.
  • Temperature impacts: The solubility of HCOOH may increase with temperature, as is common with many organic acids.
  • Solubility in organic solvents: Besides water, formic acid is also soluble in a range of organic solvents including ethanol, acetone, and diethyl ether.

This extensive solubility in both polar and non-polar solvents enhances its utility in chemical processes and as a reagent. It is worth noting that formic acid's solubility profiles aid in its reactivity and interaction with different substances, which can be crucial for laboratory studies and practical applications.

In conclusion, the solubility characteristics of formic acid make it a versatile compound in both aqueous and organic environments, demonstrating its value across various chemical contexts.

Interesting facts

Interesting Facts About Formic Acid (HCOOH)

Formic acid, often referred to simply as formate, is a fascinating compound that plays a notable role in both nature and industrial applications. Here are some intriguing insights:

  • Natural Occurrence: Formic acid is the simplest carboxylic acid and can be found naturally in the venom of ants, which is where it derives its name. The term "formic" comes from the Latin word for ant, formica.

  • Biological Importance: In addition to its presence in ant venom, formic acid is produced in small amounts in the metabolic processes of various organisms. It serves as an important intermediate in the metabolism of certain bacteria.

  • Industrial Use: Formic acid is widely used in various industries. It is utilized as a preservative and antibacterial agent in livestock feed, and is also important in textile and leather processing. It can even be involved in dyeing and finishing textiles.

  • Laboratory Use: Chemists appreciate formic acid for its role as a reducing agent in organic synthesis and as a reagent in various chemical reactions. Its ability to donate protons makes it valuable in acid-base chemistry.

  • Environmental Impact: While formic acid is biodegradable and considered to have a relatively low toxicity, large-scale industrial use can pose risks, particularly when it comes to air quality and water contamination.

To summarize, formic acid is more than just a simple organic compound; it has significant implications in various fields, from biology to industrial chemistry. Its versatile applications and prevalence in nature make it a remarkable subject of study for scientists and students alike.

Synonyms
formate
Formic acid, ion(1-)
71-47-6
HCO2 anion
aminate
formylate
methanoate
hydrogen carboxylate
HCO2-
Formate Standard: HCO2- @ 1000 microg/mL in H2O
CHEMBL183491
formiate
formate anion
Formate ion
Sodium; formate
a carboxyl group
Hydrogencarboxylic acid
HCOO-
GTPL4540
CHEBI:15740
CHEBI:35757
DTXSID60221219
BDAGIHXWWSANSR-UHFFFAOYSA-M
BDBM50155538
STL483235
Q27110012
Q55579895