Propylene Glycol

Product Overview

Description

propyl ethylene glycol / Propylene Glycol / PG CAS NO.57-55-6

It is a viscous colourless liquid which is nearly odourless but possesses a faintly sweet taste.
Forty-five percent of propylene glycol produced is used as chemical feedstock for the production of unsaturated polyester resins. Propylene glycol is used as a humectant, solvent, and preserva-tive in food and for tobacoo products. Propylene glycol is used as a solvent in many pharmaceu-ticals, including oral, injectable and topical formulations.

Specification of propyl ethylene glycol / Propylene Glycol / PG CAS NO.57-55-6

Product	Propylene Glycol	CAS No	57-55-6
Quality	99.5%+	Quantity:	1ton
Test Date	2018.6.20	Quality Standard	Results
Identity
Testing Item	Quality Standard	Testing Method
Color	Colorless	GB 29216-2012	Colorless
Appearance	Transparent Liquid	GB 29216-2012	Transparent Liquid
Density (25℃)	1.035-1.037		1.036
Propylene Glycol Assay %	≥99.5	GB/T 4472-2011	99.91
Water %	≤0.2	GB/T 6283-2008	0.063
Acid Assay, ml	≤1.67	GB 29216-2012	1.04
Burning residue %	≤0.007	GB/T 7531-2008	0.006
Pb mg/kg	≤1	GB/T 5009.75-2003	0.000

 

Application of propyl ethylene glycol / Propylene Glycol / PG CAS NO.57-55-6

Propylene glycol is often used in the pharmaceutical industry as a solvent, softener and excipient in the manufacture of various
ointments, ointments, etc.
Because of its good mutual solubility with various spices, it is also used as a solvent and softener in cosmetics, etc. Propylene
glycol is also used as a solvent for tobacco humidifier, mildew inhibitor, lubricant for food processing equipment and food
marking ink.
The aqueous solution of propylene glycol is an effective antifreeze.