Propylene Glycol Inhibited ACS Grade

Name: Propylene Glycol Inhibited ACS Grade
Brand: Alliance Chemical
SKU: VK6-55L-D39
Availability: InStock

Commercial Fulfillment Snapshot

Buy Propylene Glycol Inhibited ACS Grade with faster decisions and fewer back-and-forth emails.

Ships from Taylor, Texas. In-stock orders placed before 1:00 PM CT (Mon-Thu) and before 12:00 PM CT (Fri) typically ship same business day. Order online 24/7.

Email Bulk Quote Call (512) 365-6838

Technical Documents

SDS TDS COA

Lot-specific COA is issued per shipment batch.

Who Buys This

Analytical testing laboratories
Pharmaceutical manufacturers
Research & development teams
Quality control departments
Chemical synthesis operations

Purity / Grade Guide

ACS certified analytical grade
Laboratory & research applications
Meets stringent purity standards
Inhibited formulation prevents degradation

Pack Sizes

1 Quart: lab & small jobs
1 Gallon: shop & maintenance
5 Gallon: production & regular use
15 Gallon: mid-volume operations
55 Gallon: bulk drum
275 Gallon: high-volume tote
330 Gallon: max-volume tote

SDS / COA / TDS

Safety Data Sheet included
Certificate of Analysis provided
Non-regulated ground shipment
ACS grade documentation

Small Packs: UPS Ground nationwide for pints, quarts, and gallons.

LTL / FTL: ABF, SEFL, Saia, XPO, and partner carriers for pails, drums, totes, and full truckloads.

Support: Email or call for freight options, hazardous-material routing, and lead-time confirmation.

Description
Product Documents
Chemical Profile

Product Overview

Propylene Glycol Inhibited ACS Grade is a high-purity synthetic organic solvent and thermal fluid with the chemical formula C₃H₈O₂. Also known as Propane-1,2-diol or MPG, this clear, odorless liquid combines the rigorous purity specifications of ACS reagent grade material with a specialized inhibitor package. It is hygroscopic and fully miscible with water, acetone, and chloroform.

While standard inhibited glycols are often technical grade, this ACS Grade formulation maintains a typical assay weight percentage near 99.8% with a low impurity profile. The added inhibitors stabilize the fluid against oxidation and prevent corrosion in metallic piping systems, making it ideal for sensitive heat transfer applications, analytical workflows, and closed-loop cooling systems where standard industrial grades may introduce unwanted contaminants.

Key Properties

Appearance: Clear, colorless liquid
Odor: Slightly sweet odor
Chemical Formula: C₃H₈O₂
Molecular Weight: 76.09 g/mol
Boiling Point: 188.2°C
Freezing Point: -59°C
Specific Gravity (20°C): 1.033–1.037 (typical 1.0355)
Specific Gravity (25°C): 1.0335–1.0375 (typical 1.0359)
Density (25°C): 1.036 g/mL
Refractive Index (20°C): 1.431
Residue on Ignition: max 0.005%
Chloride (Cl): max 5 ppm
Sulfate (SO₄²⁻): max 10 ppm
Heavy Metals (as Pb): max 0.5 ppm
Iron (Fe): max 0.2 ppm

Common Applications

Precision Heat Transfer: Used as a thermal fluid in laboratory chillers, pharmaceutical cooling circuits, and sensitive HVAC systems requiring corrosion protection without contaminants.
HPLC Mobile Phase: Functions as a component in reversed-phase HPLC to separate organic compounds with high reproducibility.
Industrial Processing: Acts as a carrier fluid in hydraulic systems due to low viscosity and favorable thermal properties.
Chemical Synthesis: Serves as a high-purity solvent for reactions and equipment cleaning where trace metals must be strictly controlled.

Safety & Handling

Store Propylene Glycol Inhibited in a cool, dry place away from direct sunlight. Use containers made of HDPE or glass to prevent contamination. Ensure good ventilation during handling. Recommended PPE includes gloves and safety goggles. Refer to the Safety Data Sheet (SDS) for detailed emergency procedures and specific PPE recommendations. This product is not regulated as a hazardous material for transport.

Benefits

ACS Grade Purity – Meets rigorous reagent specifications for critical analytical and process applications.
Corrosion Protection – Inhibited formulation extends equipment life in heat transfer systems.
Low Impurity Profile – Strictly controlled levels of chlorides, sulfates, and heavy metals.
Versatile Compatibility – Miscible with water and common organic solvents for broad industrial utility.

Related Products

Property	Value
Molecular Weight	76.09 g/mol
Formula	C3H8O2
Assay	100%%
Grade	ACS Reagent Grade
Flash Point	104
Form	Liquid
Solubility	Highly water miscible, broad organic solvent compatibility
Appearance	Clear, colorless viscous liquid
Melting Point	-59 °C
Boiling Point	188 °C
Specific Gravity	1.036
Industry	Industrial, Research, Chemical Manufacturing

Frequently Asked Questions About Propylene Glycol Inhibited ACS Grade

What is Propylene Glycol Inhibited ACS Grade and what is its chemical formula?

Propylene Glycol Inhibited ACS Grade is a chemical compound with the molecular formula C3H8O2, registered under CAS Number 57-55-6 by the Chemical Abstracts Service (PubChem), with a molecular weight of 76.09 g/mol. Alliance Chemical supplies Propylene Glycol Inhibited ACS Grade in ACS Reagent Grade grade for laboratory, industrial, and commercial applications.

What are the physical properties of Propylene Glycol Inhibited ACS Grade?

According to the NIOSH Pocket Guide to Chemical Hazards, Propylene Glycol Inhibited ACS Grade is supplied as a clear, colorless viscous liquid. It has a melting point of -59°C, a boiling point of 188°C, a flash point of 104. The specific gravity is 1.036 relative to water. Solubility: Highly water miscible, broad organic solvent compatibility.

What grade and purity of Propylene Glycol Inhibited ACS Grade does Alliance Chemical offer?

Alliance Chemical offers Propylene Glycol Inhibited ACS Grade in ACS Reagent Grade grade with a purity assay of 100%. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.

What are common industrial applications of Propylene Glycol Inhibited ACS Grade?

Propylene Glycol Inhibited ACS Grade serves a wide range of sectors, including Industrial, Research, and Chemical Manufacturing.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.

What PPE is required when handling Propylene Glycol Inhibited ACS Grade?

OSHA-mandated PPE per 29 CFR 1910.132-138:Nitrile gloves (8+ mil), safety goggles, flame-resistant clothing, grounded footwear, closed-toe chemical-resistant footwear. Respiratory protection (organic vapor cartridge) required in areas exceeding PEL/TLV per 29 CFR 1910.134. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.

What are the storage requirements for Propylene Glycol Inhibited ACS Grade?

Store perOSHA 29 CFR 1910.106: Approved flammable storage cabinet, maximum 60 gallons per cabinet, grounding/bonding required. Temperature range:15-25°C. Segregate from:oxidizers, ignition sources. Maximum storage:2-3 years unopened.

What is the emergency spill procedure for Propylene Glycol Inhibited ACS Grade?

Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 100 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Absorb with vermiculite or commercial spill kits. (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.

What is the DOT shipping classification for Propylene Glycol Inhibited ACS Grade?

DOT Classification per 49 CFR 172.101:UN1993 (Flammable Liquid, N.O.S.), Hazard Class3 (Flammable), Packing GroupII/III. Requires: Hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.

How must Propylene Glycol Inhibited ACS Grade waste be disposed?

Disposal per RCRA (40 CFR 261-265):Characteristic waste D001 (Ignitable, flash point <60°C). Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.

Does Alliance Chemical provide an SDS and COA for Propylene Glycol Inhibited ACS Grade?

Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Propylene Glycol Inhibited ACS Grade. The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.