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Glycine is a constituent amino acid of endogenous antioxidant reduced glutathione, which is often exogenously supplemented when the body is severely stressed, sometimes called semi-essential amino acids.
Glycine (Gly) is also known as glycine, and its chemical formula is C2H5NO2.
The solid glycine is white monoclinic or hexagonal crystal or white crystalline powder, odorless, non-toxic, soluble in water, and almost insoluble in ethanol or ether.
Boiling point: 233 ° C, melting point: 240 ° C (dec.) (lit.),
Used in the pharmaceutical industry, biochemical tests and organic synthesis, it is the simplest structure in the amino acid series.
An amino acid not essential to the human body, which has both acidic and basic functional groups in the molecule, is ionizable in water, and has strong hydrophilicity.
However, it is a non-polar amino acid, soluble in a polar solvent, and insoluble in a non-polar solvent, and has a high boiling point and a melting point. The acidity and alkalinity of the aqueous solution can cause glycine to exhibit different molecular forms.
Appearance and traits: white to off-white crystalline powder
Melting point: 240 ° C (dec.) (lit.)
Boiling point: 233 ° C
Flash point: 145 ° C
Water solubility: 25 g / 100 mL (25 ° C)
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Storage conditions: 2-8ºC