Glycol Brine - in an industrial cooling and heating process terminology is referred as coolant or heat transfer fluid (HTF) or the common fluid that is used in large installations for transporting heat from one place to another. Chiller Circuit Glycol Brine is used for lowering the freezing point and enhancing the heat transfer efficiency.

Glycol Brine Solutions are of various 3 types used in today's world for heat transfer & thermal storage, such as Glycol based brine such as mono ethylene glycol (MEG), propylene glycol (PG) and diethylene glycol (DEG). Inhibited Brine solutions of these brine solutions are also available that provides protection of metal against crevice and cavitation corrosion.

Propylene Glycol Brine (PG Brine) - Food Grade

Propylene Glycol is an organic compound having molecular formula as HO-CH2CH(OH)-CH3. Propylene Glycol is widely used as an antifreeze for food grade applications. It is clear, colorless and practically odorless liquid completely soluble in water. Propylene Glycol is slightly soluble in aromatic hydrocarbon solvents and only slightly miscible with aliphatic hydrocarbon solvents.

Synonyms

1,2-Propanediol, 1,2-Dihydroxypropane, 2-Hydroxypropanol, Polypropylene Glycol, Poly Propylene Glycol

Specification	Chemical Type	Propylene Glycol
	Form	Liquid
	Appearance	Clear, Colorless Liquid
	Assay as (HO-CH2CH2(OH)-CH3)	99.80%
	Specific Gravity	1.04
	Molecular Wt.	76.0548 g/mol
	Solubility	Completely Soluble in Water
Storage Protocols	Propylene Glycol is slightly hygroscopic & must be stored under conditions so that contamination with water and adsorption of moisture are prevented.
	The storage temperature of PG is not critical, in that there will be no hazardous condtions created by storage of this product at any ambiance temperature likely to be encountered. It should be noted however for product quality reasons the storage temperature should not go above 40oC. At below freezing temperatures the product viscosity might become too high for transfer from the storage containers with the pumps available.
	PG is a stable chemical and is not expected to deteriorate significantly with time provided it is stored as indicated. As a good industrial practice, it is however recom-mended that it should not be stored for periods longer than 6months.
	Bulk tanks should be of HDPE, non-rusted stainless steel or mild steel. Hoses should be of polypropylene or SS.
	Drums should be stored in dry conditions away from sources of direct heat, preferable in the unopened original containers. Opened drums must be re-closed tightly immediately after drawing out material.

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Chemtex Speciality Limited
Mr. Shubham Karnani
No. 33, Brabourne Road
Kolkata - 700001, West Bengal, India

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