Acetic Acid

Acetic acid (CH3COOH, CAS 64-19-7) is a weak organic acid. A key component of metabolism with applications as a hydrophilic protic solvent, reagent, antibacterial agent, and manufacturing component; can be diluted into vinegar or concentrated into glacial acetic acid.

Also known as ethanoic acid or methane carboxylic acid, acetic acid is a colorless liquid organic compound with a pungent smell and a distinctively sour taste. Acetic acid may be produced industrially from methanol or by bacterial fermentation.

In the laboratory, acetic acid is used as a chemical solvent or reagent, and its antibacterial properties are used to prevent the growth of fungus and bacteria.

Acetic acid has multiple commercial uses, including:

As a solvent
In the production of cellulose acetate and polyvinyl acetate
For making acetate, acetic acid ethylene, acetic anhydride, and halogenated acetic acid
As a component for manufacturing inks and dyes, synthetic fibers and textiles, pesticides, and wood glues

Corrosive in its concentrated form, workers should use proper personal protective equipment to prevent ingestion, inhalation, and contact with eyes and skin; suitable respiratory equipment may also be appropriate. Keep acetic acid away from heat sources and oxidizing agents, reducing agents, acids, and alkalis. Store in a cool, well-ventilated area.

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211

Electron Microscopy Sciences Acetic Acid 1% 500 ML

Used in Prussian Blue Method for Hemosiderin for the staining of deposits of hemosiderin. For references see Perls, M., Virchow's Arch. F. Path. Anat., 39:42-48, 1867, Highman, B., Arch. Path., 33:937-938, 1942, Lillie, R.D. Histopathologic Technic and Practical Histo-chemistry, 3rd Ed. McGraw-Hill, N.Y., 1965 or Clark, G., (ed), Staining Procedures 3rd Ed., Williams & Wilkins, Baltimore, p. 157, c. 1973.

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212

Sigma Aldrich Fine Chemicals Biosciences Cannabichromenic Acid CBCA

Cannabichromenic acid (CBCA) is a precursor of CBC biosynthesis a non-psychoactive cannabinoid of Cannabis that reportedly exerts anti-inflammatory antimicrobial and analgesic activity. This Certified Spiking SOLUTIONon(R) is suitable for cannabichromenic acid testing methods by GC/MS LC/MS or HPLC for applications in testing of Cannabis potency or impurity profiling pharmaceutical research and forensic analysis. Cerilliant SOLUTIONon Certified Reference Materials (CRMs) of cannabinoids are supplied in a convenient quantitative US DEA-exempt SOLUTIONon format and with TKs for Canadian customers.