Propylene Glycol, USP

Applications

Propylene Glycol USP is used in food and beverage industry as a food additive, emulsifier, solvent, moisturizer, preservative, dispersant, and stabilizer in food products such as bread, ice cream, beverages, processed foods and flavors. It is also used in the pharmaceutical industry as a solvent, moisturizer, and plasticizer in injections, ointments, capsules, pastes and syrups. Propylene Glycol USP is also used in the cosmetic industry as a moisturizer, emulsifier, solvent, and softener in makeup, skin and hair care and cleansing. It is used in the personal care industry as well, as a moisturizer, emulsifier, solvent and softener in personal care products, like creams and lotions. It is also used as a solvent for paints, plastics, pigments, and flavoring agents. It is used in deicing solutions and antifreeze for vehicles and as an antifreeze, hygroscopic agent, and lubricant.

Sales Specification

Assay, GLC (weight %): 99.9 Min
Color, Pt-Co (APHA Color): 5 Max
MaxMoisture (weight %): 0.1 Max
Specific Gravity,25 â„ƒ: 1.035 Min – 1.038 Max
Refractive Index, 25 â„ƒ: 1.431 Min – 1.435 Max
Acidity (As Acetic acid): 0.01 Max
Chloride as Cl, weight %: 0.007 Max
Sulfate, weight %: 0.006 Max
Heavy Metals as Pb, weight ppm: 5 Max
Residue on Ignition, weight %: 0.007 Max
Arsenic as As, weight ppm: 1 Max
Organic Volatile ImpuritiesChloroform(μg/g): 60 Max
Organic Volatile impurity 1.4 dioxane (μg/g): 380 Max
Organic Voltile impurity methylene chloride(μg/g): 600 Max
Organic Voltile impurity trichloroethylene(μg/g): 80 Max
Distillation range (L), degrees C: 184 Min – 189 Max
Distillation range (U), degrees C: 184 Min – 189 Max
Distillation volume, Vol%, vol%: 95 Min