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.
Propylene Glycol USP-WC
WC Code: 16-052-01
Sales Specification
Assay, GLC (weight %): 99.9 Min
Color, Pt-Co (APHA Color): 5 Max
Max Moisture (weight %): 0.1 Max
Specific Gravity,25 ℃: 1.035 Min – 1.038 Max
Refractive Index, 25 ℃: 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 Impurities Chloroform(μg/g): 60 Max
Organic Volatile impurity 1.4 dioxane (μg/g): 380 Max
Organic Volatile impurity methylene chloride(μg/g): 600 Max
Organic Volatile 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
Packing
474 lb drum, 4 drums per pallet
2204.6 lb Tote
Propylene Glycol USP-SKC
WC Code: 16-052-02
Sales Specification
| Item | Test method | Unit | Spec. | ||||
| ID. By IR | GC | USP | Pass | ||||
| Assay | MPG
EG DEG |
wt. %
wt.ppm wt.ppm |
Min. 99.80
Max. 50 Max. 50 |
||||
| Color | APHA | ASTM D1209 | Max. 10 | ||||
| Specific gravity | 25/25℃ | USP | 1.035-1.037 | ||||
| Acidity | 0.1N NaOH | USP | ml | Max. 0.05 | |||
| Distillation range | 1 atm | ASTM D1078 | ℃ | IBP > 186
DP < 189 |
|||
| Heavy metals (as Pb) | USP | wt.ppm | Max. 1.0 | ||||
| Water | USP | wt.ppm | Max. 700 | ||||
| Residue on ignition | USP | wt.ppm | Max. 20 | ||||
| Sulfate | USP | wt.ppm | Max. 10 | ||||
| Fe | ASTM E394 | wt.ppm | Max. 0.10 | ||||
| Chlorides | USP | wt.ppm | Max. 1.0 | ||||
Packing
474 lb drum, 4 drums per pallet
2204.6 lb IBC Tote
