Formic acid, 97%

Name: Formic acid, 97%
SKU: A13285.0C

CAS: 64-18-6 | CH2O2 | 46.025 g/mol

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Catalog number A13285.0C

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Chemical Identifiers

CAS64-18-6

IUPAC Nameformic acid

Molecular FormulaCH2O2

InChI KeyBDAGIHXWWSANSR-UHFFFAOYSA-N

SMILESOC=O

Specifications

Specification Sheet

Water Content (Karl Fischer Titration)≤2.0% (UK Sourced Material)

Appearance (Color)Clear colorless

FormLiquid

Assay (Aqueous acid-base Titration)≥96.0 to ≤104.0% (UK Sourced Material)

Assay from Supplier's CofA≥96.0% (US Sourced Material)

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Suitable for battery materials development.

Applications
Formic acid is principally used as a preservative antibacterial agent in livestock feed, in dying textiles, tanning leather and electroplating. In the poultry industry, it is sometimes added with feed to kill E. coli bacteria. It acts as a reducing agent for the catalytic reduction of nitrate in water.

Solubility
Miscible with water. Partially miscible with toluene, xylene and benzene.

Notes
Hygroscopic. Store closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.

RUO – Research Use Only

General References:

Cleaves trityl groups selectively in the presence of benzylidene acetals or TBDMS ethers: Tetrahedron Lett., 27, 579 (1986).
Instead of the unstable formic anhydride, formylations may be carried out with formic acid and acetic anhydride to generate the mixed acetic formic anhydride in situ. For a review, see: Tetrahedron, 46, 1081 (1990). This reagent has been used for the deoxygenation of tertiary amine oxides: Chem. Lett., 1517 (1985).
Dehydration with sulfuric acid can be used to generate CO in situ. Subsequent reaction with tertiary carbocations gives the corresponding carboxylic acid (the Koch-Haaf carboxylation). For examples, see: Org. Synth. Coll., 5, 20, 739 (1973); improved procedure: Synth. Commun., 19, 1945 (1989). 1,4-Diols in which one alcohol is tertiary give -lactones: Chem. Lett., 1187 (1982).
Used in combination with formaldehyde in the Eschweiler-Clarke reductive methylation of amines, the formic acid acting as a hydride donor. Review: Org. React., 5, 290 (1949). For an example, see: Org. Synth. Coll., 3, 723 (1955).
In the presence of Raney nickel alloy, reduces aromatic nitriles to aldehydes in high yield: J. Chem. Soc., 5775 (1965); for list of examples, see: Org. Synth. Coll., 6, 631 (1988).
Hydrogen donor, in combination with Pd on carbon, in catalytic transfer hydrogenations; see, e.g.: Selective reduction of dinitroarenes to nitroanilines: J. Org. Chem., 45, 4992 (1980). Dehalogenation of aryl halides: Synthesis, 876 (1982). Hydrogenation of aromatic rings: Tetrahedron Lett., 33, 7477 (1992). See also Palladium, A12012, Cyclohexene, A11359, and Ammonium formate, A10699. For a comparative mechanistic study of formic acid and formate salts in hydrogenolysis of aryl chlorides, see: J. Org. Chem., 60, 1347 (1995).
In combination with Selenium(IV) oxide, 12358, improved results have been obtained in the allylic oxidation of sterically-hindered olefins: Synth. Commun., 24, 29213 (1994).