1-quart HDPE bottle of Alliance Chemical Alliance 190-proof denatured alcohol with safety hazard ratings, flammable symbol
Two 1-quart plastic bottles of Alliance Chemical Denatured Alcohol 190 Proof 3C with white caps and product labels
Four 1-quart plastic bottles of Alliance Chemical Denatured Alcohol 190 Proof 3C with white caps and product labels.
Alliance Chemical company logo
4-gallon set of Alliance Chemical 190-proof denatured alcohol 3C in HDPE containers with flammable/health hazard warnings
Alliance Chemical company logo
5-gallon metal drum of Alliance Chemical 190-proof denatured alcohol 3C, with NFPA diamond showing Health:2, Fire:3, black
15-gallon HDPE carboy of Alliance Chemical denatured alcohol 190-proof 3C with NFPA diamond, flammable/danger symbols
55-gallon black drum of Alliance Chemical 190-proof denatured alcohol 3C, displaying NFPA diamond (2-3-0) and flammable
55-gallon steel drums of 190-proof denatured alcohol 3C with NFPA diamonds (Health:2, Fire:3), and Alliance Chemical
275-gallon IBC tote of Alliance Chemical denatured alcohol (190 proof), with NFPA diamond, and in metal cage frame
36x 55-gallon black steel drums of 190-proof denatured alcohol by Alliance Chemical, stacked on pallet in 4x4 configuration
Eight Alliance Chemical 1-quart plastic bottles of Denatured Alcohol 190 Proof 3C with white caps and blue and white labels
One-gallon HDPE jug of Alliance Chemical 190-proof denatured alcohol (3C) with NFPA diamond, flammable warning symbols
2-gallon denatured alcohol 190-proof 3C in HDPE jugs with NFPA diamond (2-3-0), flammable warning symbols, and Alliance
Four 5-gallon steel pails of Alliance Chemical Denatured Alcohol 190 Proof 3C with labels and silver-colored closures.
Alliance Chemical 330-gallon tote of Denatured Alcohol 190 Proof 3C with a steel cage and a white plastic spigot.

Denatured Alcohol 190 Proof 3C

Category : Alcohols

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Denatured Alcohol 190 Proof 3C

$15.88
1-quart HDPE bottle of Alliance Chemical Alliance 190-proof denatured alcohol with safety hazard ratings, flammable symbol
Two 1-quart plastic bottles of Alliance Chemical Denatured Alcohol 190 Proof 3C with white caps and product labels
Four 1-quart plastic bottles of Alliance Chemical Denatured Alcohol 190 Proof 3C with white caps and product labels.
Alliance Chemical company logo
4-gallon set of Alliance Chemical 190-proof denatured alcohol 3C in HDPE containers with flammable/health hazard warnings
Alliance Chemical company logo
5-gallon metal drum of Alliance Chemical 190-proof denatured alcohol 3C, with NFPA diamond showing Health:2, Fire:3, black
15-gallon HDPE carboy of Alliance Chemical denatured alcohol 190-proof 3C with NFPA diamond, flammable/danger symbols
55-gallon black drum of Alliance Chemical 190-proof denatured alcohol 3C, displaying NFPA diamond (2-3-0) and flammable
55-gallon steel drums of 190-proof denatured alcohol 3C with NFPA diamonds (Health:2, Fire:3), and Alliance Chemical
275-gallon IBC tote of Alliance Chemical denatured alcohol (190 proof), with NFPA diamond, and in metal cage frame
36x 55-gallon black steel drums of 190-proof denatured alcohol by Alliance Chemical, stacked on pallet in 4x4 configuration
Eight Alliance Chemical 1-quart plastic bottles of Denatured Alcohol 190 Proof 3C with white caps and blue and white labels
One-gallon HDPE jug of Alliance Chemical 190-proof denatured alcohol (3C) with NFPA diamond, flammable warning symbols
2-gallon denatured alcohol 190-proof 3C in HDPE jugs with NFPA diamond (2-3-0), flammable warning symbols, and Alliance
Four 5-gallon steel pails of Alliance Chemical Denatured Alcohol 190 Proof 3C with labels and silver-colored closures.
Alliance Chemical 330-gallon tote of Denatured Alcohol 190 Proof 3C with a steel cage and a white plastic spigot.
  • Description
  • Product Documents
  • Chemical Profile

Product Overview

Denatured Alcohol 190 Proof 3C is a high-purity Ethyl Alcohol solution engineered for rigorous industrial, manufacturing, and laboratory applications. This Formula 3C ethanol is denatured with Isopropyl Alcohol (IPA) to render it chemically unsuitable for consumption while maintaining exceptional solvency and a predictable evaporation rate. With an assay range of 95% to 98% ethanol, this solvent is optimized for critical cleaning, chemical synthesis, and formulation processes.

As a versatile industrial solvent, Denatured Alcohol 190 Proof 3C offers a low boiling point and high volatility, making it ideal for applications requiring minimal residue. It is widely used in ink and coating formulations, chemical processing, and as a fuel additive component. The product meets strict quality control standards, including specific gravity and water content limits (max 0.5%), ensuring consistent performance across all pack sizes from quarts to bulk totes.

Key Properties

  • Appearance: Clear, colorless liquid
  • Grade: Formula 3C (Denatured)
  • Ethanol Content: 190 Proof (95%)
  • CAS Number: 64-17-5
  • Chemical Formula: C₂H₆O (Ethanol)
  • Specific Gravity: 0.789 - 0.792
  • Boiling Point: 78°C - 80°C
  • Water Content: Max 0.5%

Common Applications

  • Industrial Solvent: High-solvency medium for thinning inks, paints, resins, and protective coatings.
  • Chemical Processing: Essential reagent and solvent for chemical synthesis and manufacturing workflows.
  • Surface Preparation: Effective for cleaning and degreasing metal, glass, and composite surfaces prior to bonding or finishing.
  • Laboratory Reagent: Used in chromatography (HPLC) and general laboratory analysis.
  • Botanical Extraction: Solvent for extracting oils and compounds from plant materials (non-food/non-medical applications).
  • Fuel Formulation: Additive used to enhance combustion efficiency in specific fuel blends.

Safety Precautions

Denatured Alcohol 190 Proof 3C is a highly flammable liquid and vapor (H225). Store in a cool, well-ventilated area away from heat, sparks, open flames, and hot surfaces. Keep containers tightly closed and grounded to prevent static discharge. Use explosion-proof electrical, ventilating, and lighting equipment.

Wear appropriate Personal Protective Equipment (PPE), including chemical-resistant gloves and eye protection, when handling. In the event of a spill, contain the release with non-combustible absorbent materials. Refer to the Safety Data Sheet (SDS) for comprehensive handling, storage, and emergency response guidelines. Hazardous shipping regulations apply.

Related Products

Property Value
Molecular Weight 46.07 g/mol
Formula C2H5OH
Assay 95%
Grade Technical
Flash Point 13
Form Liquid
Solubility Miscible with water and many organic solvents
Appearance Clear, colorless liquid
Melting Point -114 °C
Boiling Point 78 °C
Specific Gravity 0.792
Industry Industrial, Wastewater, Petroleum

Frequently Asked Questions About Denatured Alcohol 190 Proof 3C

What is Denatured Alcohol 190 Proof 3C and what is its chemical formula?
Denatured Alcohol 190 Proof 3C is a chemical compound with the molecular formula C2H5OH, registered under CAS Number 64-17-5 by the Chemical Abstracts Service (PubChem), with a molecular weight of 46.07 g/mol. Alliance Chemical supplies Denatured Alcohol 190 Proof 3C in Technical grade for laboratory, industrial, and commercial applications.
What are the physical properties of Denatured Alcohol 190 Proof 3C?
According to the NIOSH Pocket Guide to Chemical Hazards, Denatured Alcohol 190 Proof 3C is supplied as a clear, colorless liquid. It has a melting point of -114°C, a boiling point of 78°C, a flash point of 13. The specific gravity is 0.792 relative to water. Solubility: Miscible with water and many organic solvents.
What grade and purity of Denatured Alcohol 190 Proof 3C does Alliance Chemical offer?
Alliance Chemical offers Denatured Alcohol 190 Proof 3C in Technical grade with a purity assay of 95%. 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 Denatured Alcohol 190 Proof 3C?
Denatured Alcohol 190 Proof 3C serves a wide range of sectors, including Industrial, Wastewater, and Petroleum.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling Denatured Alcohol 190 Proof 3C?
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 Denatured Alcohol 190 Proof 3C?
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 Denatured Alcohol 190 Proof 3C?
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 Denatured Alcohol 190 Proof 3C?
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 Denatured Alcohol 190 Proof 3C 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 Denatured Alcohol 190 Proof 3C?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Denatured Alcohol 190 Proof 3C. 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.

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