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Formic Acid (HCOOH) CAS 64-18-6

Formic acid, also known as methanoic acid, is a common organic acid with a variety of industrial applications. Its chemical formula is HCOOH, and its CAS number is CAS 64-18-6. Other common aliases of this product include formylic acid, hydrogen carboxylic acid, and methanoic acid.

Product Properties & Physical Characteristics

Formic acid is a colorless, fuming liquid with a pungent odor. It is miscible with water, ethanol, ether, and other polar solvents. Below are the detailed physical properties of this product:

Molecular weight: 46.03 g/mol

Boiling point: 100.8 °C (at 1 atm)

Melting point: 8.4 °C

Density: 1.220 g/cm³ (20 °C)

Flash point: 69 °C (closed cup)

pH value: ~2.0 (1% aqueous solution at 25 °C)

Key Product Specifications (Most Common Grade)

Product Applications

Formic acid is widely used in multiple industries due to its unique chemical properties. Key applications include:

Agrochemicals: Used in the production of pesticides, herbicides, and fungicides, as well as a preservative and antibacterial agent in feed.

Leather & Textile Industry: Serves as a tanning agent for leather processing, helping to soften leather and improve its quality; also used in textile dyeing and finishing processes.

Chemical Synthesis: A crucial intermediate in organic synthesis, used to produce formate esters, formamides, and other chemicals. It is also used in the production of pharmaceuticals, fragrances, and flavors.

Rubber Industry: Acts as a coagulant for natural rubber, facilitating the solidification of rubber latex.

Food Industry: Used as a food preservative and acidulant (in compliance with relevant food safety standards).

Regulatory & Safety Information

The product has completed REACH registration, meeting the regulatory requirements of the European Union. For detailed safety information, including handling, storage, and emergency response guidelines, MSDS download is available.

FAQ

Q1: What is the shelf life of formic acid when stored properly? A1: When stored in a sealed container away from heat, direct sunlight, and incompatible substances (such as strong bases, oxidants), the shelf life is typically 12 months from the date of manufacture.

Q2: Is formic acid corrosive? How to handle it safely? A2: Yes, formic acid is corrosive to skin, eyes, and mucous membranes. When handling, appropriate personal protective equipment (PPE) such as gloves, goggles, and protective clothing should be worn. In case of contact with skin or eyes, rinse immediately with plenty of water for at least 15 minutes and seek medical attention if necessary.

Q3: Can formic acid be transported with other chemicals? A3: Formic acid should not be transported or stored together with strong bases, oxidants, and organic amines to avoid chemical reactions leading to danger. It should be transported in dedicated containers that comply with relevant transportation regulations.

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