propylene glycol

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propylene glycol

[′prō·pə‚lēn ′glī‚kȯl]
(organic chemistry)
CH3CHOHCH2OH A viscous, colorless liquid, miscible with water, alcohol, and many solvents; boils at 188°C; used as a chemical intermediate, antifreeze, solvent, lubricant, plasticizer, and bactericide.
References in periodicals archive ?
5 mol/L 1,2-propanediol, 20 U/L ATP-hydrolyzing urease, 2 mmol/L EDTA, firefly luciferase, 100 mg/L D-luciferin, 4 mg/L L-luciferin, 1 g/L bovine serum albumin, 2 [micro]mol/L inorganic pyrophosphate, and 90 mmol/L Tris acetate, pH 7.
5 mol/L 1,2-propanediol was linear up to 40 mmol/L.
Previously, we used 500 mL/L 1,2-propanediol to preserve the activity of synthetases and oxidases in the freezer (11,15).