Description

Propylene Glycol USP Grade – Food & Pharma Safe | USA Lab

USA Lab Propylene Glycol USP Grade is a high-purity, colorless, practically odorless liquid designed for food, pharmaceutical, nutraceutical, cosmetic, and industrial applications. This USP Grade propylene glycol is also Kosher and is available in convenient packaging options up to 55-gallon poly drums for both routine and high-volume use.

With a low freezing point of –71°F and a density of 8.66 lb/gal (1.04 g/mL), USA Lab Propylene Glycol USP Grade is widely used as a humectant, solvent, and heat-transfer fluid in chillers, HVAC equipment, and closed-loop process cooling systems. Its broad operating range supports demanding thermal transfer and process cooling applications.

The 5-gallon containers feature an easy-to-pour spout for clean and controlled filling, while 55-gallon poly drums support high-volume users. With a 220°F closed-cup flash point and 370.76°F (188.2°C) initial boiling point, this propylene glycol provides consistent specifications for a wide range of approved process applications.

USP Grade Kosher Freezing Point –71°F 5 Gal to 55 Gal

USP Grade: High-purity propylene glycol — supports food, pharmaceutical, nutraceutical, cosmetic, and other approved applications.

Low Freezing Point: –71°F — supports freeze protection and dependable performance in chillers and closed-loop cooling systems.

Bulk Packaging: 5-gallon pails and 55-gallon poly drums — provides flexible options for routine use and high-volume processing.

Why buy from USA Lab

Expert Support
Engineers & technicians on staff.

Quality First
Tested and trusted products.

Fast Fulfillment
Nationwide 1-2 day shipping.

Warranty & Parts
US-based service & spares.

Why this USP-Grade Propylene Glycol?

High-purity USP Grade — provides a consistent specification for approved food, pharmaceutical, nutraceutical, cosmetic, and industrial applications.
Wide operating range — the –71°F freezing point and 370.76°F (188.2°C) initial boiling point support demanding process cooling and thermal transfer duties.
Versatile process fluid — commonly used as a humectant, solvent, and heat-transfer fluid across a range of approved applications.
Flexible packaging — available in 5-gallon pails with easy-pour spouts and 55-gallon poly drums for high-volume users.
Bulk purchasing support — pallet and 55-gallon drum freight quotes and bulk discount pricing are available through USA Lab.

Talk to an expert

Get help with glycol loop sizing, mix ratios, packaging options, freight requirements, and integrating USA Lab Propylene Glycol into your process.

Call 734-855-4890

Technical Specifications

Specification	Details
Product Name	Propylene Glycol USP Grade
Brand	USA Lab
Product Grade	USP Grade
CAS Number	57-55-6 (Propylene Glycol)
Purity	High-Purity
Physical State	Liquid
Appearance & Odor	Colorless, practically odorless liquid
Freezing Point	–71°F
Initial Boiling Point	370.76°F (188.2°C)
Flash Point	220°F (Closed Cup)
Viscosity	60 cPs @ 20°C
Vapor Density	2.62 (Air = 1)
Density	8.66 lb/gal / 1.04 g/mL
Specific Gravity	1.04 (Water = 1)
Explosive Limits	2.6% LEL – 12.6% UEL
Typical Packaging	5 Gal pails with easy-pour spout; 55 Gal poly drums
Certification / Designation	USP Grade; Kosher
Primary Uses	Humectant, solvent, and heat-transfer fluid
Cooling Applications	Chillers, HVAC, and closed-loop process cooling systems

Popular Industries & Use Cases

Food & Beverage Manufacturing Pharmaceutical & Nutraceutical Cosmetics & Personal Care HVAC, Chillers & Process Cooling

Business Solutions & Procurement

Programs & Terms

Exclusive options for businesses and academics.

Apply for Net Terms Academic Discount

Documentation & Compliance

Keep purchasing streamlined and compliant.

Request a Quote Tax Exemption

Custom Solutions

Tailored equipment and integration help.

Custom Request Consulting

Talk to Sales

We’ll help spec the right product and packaging for your process.

Call 734-855-4890 Email Sales/Support

FAQ

What is USA Lab Propylene Glycol USP Grade used for?

USA Lab Propylene Glycol USP Grade is a high-purity liquid commonly used as a humectant, solvent, and heat-transfer fluid. It is used in approved food and flavoring applications, pharmaceutical and nutraceutical products, cosmetics and personal care applications, and glycol cooling systems such as chillers and closed-loop process cooling.

What is the freezing point of USA Lab Propylene Glycol USP Grade?

USA Lab Propylene Glycol USP Grade has a low freezing point of –71°F. This property makes it suitable for applications requiring freeze protection and thermal transfer performance in chillers and closed-loop cooling systems.

What packaging sizes are available for USA Lab Propylene Glycol USP Grade?

USA Lab Propylene Glycol USP Grade is available in 5-gallon pails with an easy-to-pour spout and 55-gallon poly drums. Contact USA Lab at 734-855-4890 for pallet quantities, drum freight quotes, and bulk discount pricing.

Is USA Lab Propylene Glycol USP Grade suitable for food, pharmaceutical, and cosmetic applications?

USA Lab Propylene Glycol USP Grade is USP Grade and Kosher and is suitable for many food, pharmaceutical, nutraceutical, and cosmetic applications where propylene glycol is permitted. End users are responsible for ensuring that the product is used in accordance with all applicable regulations, codes, and formulation requirements.

Important Shipping Notice!

DISCLAIMER:

All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.

Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.

Need Support?

We’ll get you answers fast.

Call 734-855-4890

Specifications

Brand:	USA Lab
product_resources_sku:	PG
display_name:	Propylene Glycol USP Kosher 100% - USA Lab
Return Window:	Non-Returnable
Warranty Term:	30 Days Limited
Lead Time:	1-3 Days

Shipping & Returns

1–3 Business Days Standard Processing

Return Policy ↗ Varies by Product Warranty Policy ↗ Varies by Product

3 Days to Claim Inspect on Arrival

Shipping

Orders ship within 1–3 business days after payment clears. We ship Monday through Friday via UPS, USPS, and freight carriers.
Freight items (crated, hazmat, dropship, or special packaging) can take 1–5 business days to ship.
Expedited shipping speeds up transit, not processing. Contact us for true rush orders.
PO Box addresses ship USPS. Alcohols, chemicals, and hazmat cannot ship to a PO Box.

Full Shipping Policy

Delivery & Damage Claims

Inspect every shipment on arrival. Claims must be filed within 3 business days.
Visible damage? Refuse the delivery and have the driver document it. We will file the claim and ship a replacement.
Concealed damage: contact us within 2 days with photos of the packaging and item. Keep all packing materials.
Freight services (liftgate, residential, inside delivery) are the customer's responsibility to select for their location.

Damage & Freight Details

Returns

USA Lab branded products are returnable within 30 days of order date with prior authorization. Email us before sending anything back.
Solvents, chemicals, and consumables are not returnable once shipped. Custom and made-to-order items are final sale.
Unused items in original packaging carry a 15% restocking fee. Defective items ship back on us.
Items showing any signs of use, wear, contamination, or modification are not eligible for return.
Glassware damage must be reported within 3 business days of delivery for replacement or refund.

Full Return Policy

Custom & Made-to-Order Items

Customized and made-to-order products are final sale and not eligible for return under any circumstances.
This includes ductless fume hoods, configured tanks and reactors, and any item built to your specifications.
These products are manufactured specifically for your application. Confirm sizing, voltage, and configuration with our team before ordering.
Damage claim coverage still applies. Inspect on arrival and report issues within 3 business days.

Return Eligibility Details

Warranty

USA Lab products are covered against manufacturing defects for up to 3 years, depending on product line.
1 year: chillers, heaters, rotovaps, reactors, vacuum ovens, mixers, and most equipment. 2 years: UVP vacuum pumps. 3 years: scientific freeze dryers.
Wear items (glassware, gaskets, heating elements, sensors) and fittings/steel are not covered. Report defects within 30 days (3 days for glass).
Non–USA Lab brands are covered by their manufacturer's warranty. See the product's Warranty tab.

Full Warranty Policy

International Orders

Import duties, taxes, VAT, and brokerage fees are not collected by USA Lab and are the receiver's responsibility.
Verify your country's customs charges and import restrictions before ordering.
Refused or unclaimed international shipments are refunded minus shipping and a 15% restocking fee.
International orders are generally non-returnable. Damaged items must be reported within 3 business days.

International Guidelines