Industrial & Automotive

MEK, Acetone, Gear Lubricants & more — bulk available

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About Industrial & Automotive

About Industrial & Automotive Chemicals

Industrial & Automotive Chemicals represent a high-performance category of solvents, degreasers, lubricants, and specialty fluids engineered to meet the rigorous demands of manufacturing and fleet maintenance. This collection features essential compounds such as Isopropyl Alcohol (CAS 67-63-0), Methyl Ethyl Ketone (CAS 78-93-3), and Trichloroethylene (CAS 79-01-6), which are critical for precision cleaning and industrial process efficiency. These chemicals are selected for their high solvency, controlled evaporation rates, and compliance with industrial purity standards required for modern shop environments.

Common Applications

  • Industrial Degreasing: High-solvency removal of oils, resins, and heavy greases from metal substrates prior to assembly or coating.
  • Automotive Coating Thinning: Using N-Butyl Acetate or Toluene to adjust the viscosity of high-solids clearcoats and primers for consistent spray patterns.
  • Equipment Cooling: Utilizing inhibited ethylene glycol mixtures in TIG welders and industrial chillers to prevent corrosion and scale at operating temperatures up to 180°F.
  • Parts Cleaning: Immersive solvent cleaning of mechanical components to dissolve carbon deposits and varnish in automotive restoration.
  • Vapor Degreasing: Precision cleaning of complex geometries using Trichloroethylene (TCE) in specialized closed-loop vapor recovery systems.
  • Surface Preparation: Using ACS Reagent Grade Isopropyl Alcohol for final wipe-downs to ensure zero-residue surfaces for critical bonding applications.
  • Metalworking Fluid Maintenance: Application of specialty lubricants and pH adjusters to extend the life of coolant sumps in CNC machining operations.

What We Carry

Alliance Chemical stocks a wide array of industrial grades tailored for specific application sensitivity and regulatory requirements. We offer technical-grade chemicals for general shop use and high-purity ACS Reagent grade for precision electronics or laboratory-integrated manufacturing. Our inventory is available in packaging ranging from 1-quart bottles for small-batch work to 275-gallon IBC totes for high-volume production lines.

Grade Purity Best For
ACS Reagent ≥99.9% Electronics cleaning, analytical testing, precision finishing
Technical 95-99% Bulk degreasing, paint thinning, general shop cleaning
USP/FCC Food Grade Applications requiring high safety profiles or food-contact surface prep

Safety & Handling

Industrial chemicals in this category often carry GHS02 Flame, GHS07 Exclamation Mark, and GHS08 Health Hazard pictograms due to flammability and potential toxicity. Operators must utilize appropriate PPE, including solvent-resistant nitrile or Viton gloves, Z87.1 safety goggles, and proper respiratory protection in areas with poor ventilation. Storage must comply with NFPA 30 Flammable and Combustible Liquids Code, ensuring materials are kept in grounded containers away from strong oxidizers and ignition sources.

All handling procedures should align with OSHA 29 CFR 1910.1200 (HazCom) and DOT 49 CFR regulations for hazardous material transport and storage. In the event of skin contact, flush the affected area with water for at least 15 minutes and consult the specific SDS for further clinical guidance. Access full safety documentation here: Safety Data Sheets.

Sourcing & Quality

Shipped from Taylor, Texas — same-day on in-stock items.

COA included with every order. Certificate of Analysis documents lot-specific purity and specifications.

28 years serving 55,000+ customers including 244 federal contracts.

Reviewed by Andre Taki, Technical Product Specialist — 28 years in chemical distribution

✓ SDS Included ✓ COA Available ⚡ Same-Day Shipping ★ No Minimum Order

Last updated: March 2026

Frequently Asked Questions

What is the difference between Technical Grade and ACS Reagent Grade Isopropyl Alcohol?
Technical Grade Isopropyl Alcohol typically has a purity of 99% and is intended for general industrial degreasing and cleaning where minor trace impurities do not affect performance. ACS Reagent Grade meets or exceeds the American Chemical Society's standards for purity (99.9%+), making it necessary for laboratory analysis, electronics manufacturing, and precision surface preparation where residue-free drying is mandatory. Technical grade is cost-effective for bulk shop use, while ACS grade is reserved for sensitive high-tech applications.
How should Methyl Ethyl Ketone (MEK) be stored to comply with NFPA standards?
MEK (CAS 78-93-3) is a Class IB Flammable Liquid according to NFPA 30, requiring storage in a cool, well-ventilated area away from all ignition sources. It must be stored in containers that are properly grounded and bonded during transfer to prevent static discharge, which is a significant risk for solvents with low flash points (MEK flash point is -9°C/16°F). Storage areas should be equipped with appropriate fire suppression systems and be isolated from strong oxidizers and acids to prevent hazardous reactions.
What are the DOT shipping requirements for bulk solvents like Toluene?
Toluene is classified as a Class 3 Flammable Liquid under DOT 49 CFR 172.101, requiring specific UN 1294 labeling and placards for bulk shipments. Small quantities may be eligible for Limited Quantity exceptions under 49 CFR 173.150, but 55-gallon drums and 275-gallon totes must be shipped by hazmat-certified carriers with a hazardous materials manifest. Alliance Chemical ensures all packaging meets UN performance standards (e.g., 1A1 steel drums) to prevent leaks during transit.
What concentration of Sulfuric Acid is used for lead-acid battery electrolyte?
Automotive and industrial lead-acid batteries typically utilize a concentration of approximately 37% Sulfuric Acid, which corresponds to a specific gravity of 1.265 to 1.285 when fully charged. This concentration provides the optimal balance of ion conductivity and chemical stability within the lead plate environment. Higher concentrations can cause rapid plate degradation, while lower concentrations reduce the battery's cold-cranking amp (CCA) capacity and increase the risk of freezing.
Does Trichloroethylene (TCE) have an OSHA Permissible Exposure Limit (PEL)?
Yes, under OSHA 29 CFR 1910.1000 Table Z-2, the 8-hour Time Weighted Average (TWA) PEL for Trichloroethylene is 100 ppm, with an acceptable ceiling concentration of 200 ppm. Because TCE is classified as a potential occupational carcinogen, employers must implement engineering controls such as local exhaust ventilation or closed-loop vapor degreasers to keep concentrations below these limits. Respiratory protection is required if engineering controls cannot sufficiently mitigate airborne exposure during heavy industrial use.
What is the flash point of Isopropyl Alcohol 99% and why does it matter?
The flash point of 99% Isopropyl Alcohol is approximately 12°C (54°F), categorizing it as a highly flammable liquid. This temperature is the lowest point at which the liquid produces enough vapor to form an ignitable mixture in the air; because this is well below room temperature, any spark or open flame in the vicinity of an open container can trigger a flash fire. Proper ventilation is critical to ensure that vapors do not accumulate to concentrations within the Lower Explosive Limit (LEL) of 2% by volume.
How should I dispose of spent halogenated solvents like TCE?
Spent halogenated solvents are classified as hazardous waste under EPA RCRA regulations and typically carry the waste code F001 or F002. They must never be disposed of in municipal sewer systems or landfills; instead, they must be collected in labeled, leak-proof containers and managed by a licensed hazardous waste treatment, storage, and disposal facility (TSDF). Many facilities utilize solvent distillation to recover and reuse these chemicals, reducing the overall environmental footprint and disposal costs.
Which PPE is required for handling Methyl Ethyl Ketone (MEK) in an automotive shop?
The primary PPE requirements for MEK include chemical-resistant gloves made of Butyl rubber or Silvershield, as standard nitrile gloves provide very limited breakthrough time against ketones. Eye protection must include chemical splash goggles (ANSI Z87.1) to prevent permanent corneal damage from accidental splashes. If working in confined spaces or areas with poor airflow, a NIOSH-approved respirator with organic vapor cartridges is required to prevent central nervous system depression and respiratory irritation.
What are the common contaminants removed by vapor degreasing solvents?
Vapor degreasing solvents like TCE or n-propyl bromide are highly effective at removing non-polar contaminants including heavy machining oils, paraffin waxes, lithium-based greases, and high-vacuum silicone lubricants. The process relies on the solvent vapor condensing on a cooler metal part, dissolving the contaminants, and dripping back into the boiling sump. This ensures that the part is only ever in contact with clean, distilled solvent vapor, leaving the surface chemically clean for subsequent plating or painting.

Guides & Resources

The Ultimate Guide to Industrial Solvents

The Ultimate Guide to Industrial Solvents

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The Professional's Guide to Industrial Degreasing & Surface Preparation

The Professional's Guide to Industrial Degreasing & Surface Preparation

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The Unsung Hero: Why N-Butyl Acetate is the Gold Standard for Automotive Coatings

The Unsung Hero: Why N-Butyl Acetate is the Gold Standard for Automotive Coatings

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Trichloroethylene (TCE) & Vapor Degreasing: A Comprehensive Industrial Guide

Trichloroethylene (TCE) & Vapor Degreasing: A Comprehensive Industrial Guide

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Toluene as Paint Thinner: Safe Use Guide

Toluene as Paint Thinner: Safe Use Guide

Read article →
TIG Welder Cooling Systems: The Complete Guide to 50/50 Ethylene Glycol Coolant

TIG Welder Cooling Systems: The Complete Guide to 50/50 Ethylene Glycol Coolant

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