Isopropyl Alcohol 50% USP Grade

Name: Isopropyl Alcohol 50% USP Grade
Brand: Alliance Chemical
SKU: 16Y-RN6-4GA
Availability: InStock

Quick Answer

What is Isopropyl Alcohol 50% USP Grade used for, and what should buyers verify before ordering?

Isopropyl Alcohol 50% USP Grade is supplied at 50% in USP grade with UN UN1219, DOT Class 3 . Buyers should confirm pack size, grade, SDS, COA needs, and freight requirements before purchase.

Assay: 50%
Grade: USP
UN number: UN UN1219
DOT class: 3
Documents: SDS and lot-specific COA support
Shipping: UPS for small packs; LTL/FTL for pails, drums, totes, and bulk orders

Commercial Fulfillment Snapshot

Buy Isopropyl Alcohol 50% USP 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 EN SDS FR SDS ES SDS JA TDS COA

Lot-specific COA is issued per shipment batch.

Who Buys This

Electronics & Semiconductor
Healthcare & Pharma
Industrial & Manufacturing

Purity / Grade Guide

USP Gradefor commercial purchasing
50% concentration / assay target
Lot-specific COA available with shipment; TDS published

Pack Sizes

1 Quart
1 Gallon
5 Gallon
15 Gallon
55 Gallon
275 Gallon
330 Gallon

SDS / COA / TDS

SDS available for immediate download
TDS available for specification review
COA available by shipment batch
UN UN1219· Class 3 · PG II

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

Isopropyl Alcohol 50% USP Grade is a pre-diluted aqueous solution of isopropyl alcohol (C3H8O) prepared with high-purity deionized water. This 50% concentration provides a convenient, ready-to-use form that eliminates the need for on-site dilution of concentrated stock. Appearance: Clear, colorless liquid with mild alcohol odor. Manufactured to USP-NF monograph standards, this product is suitable for pharmaceutical, food processing, and cosmetic applications requiring documented purity.

Supplied by Alliance Chemical in sizes ranging from 1 quart to 330-gallon IBC totes, this solution is ideal for operations requiring consistent 50% strength with minimal handling risk compared to higher concentrations.

Key Properties

Chemical Name: Isopropyl Alcohol
Synonyms: IPA, Isopropanol, 2-Propanol, Rubbing Alcohol
Chemical Formula: C3H8O
CAS Number: 67-63-0
Molecular Weight: 60.1 g/mol
Concentration: 50% (w/w)
Grade: USP
Specific Gravity (20°C): 0.910
Boiling Point: 82°C
Flash Point: 12°C (pure)
Appearance: Clear, colorless liquid with mild alcohol odor
Solubility: Fully miscible with water

Common Applications

Cleaning & Disinfection: Effective against bacteria and viruses on surfaces, equipment, and skin in healthcare and industrial settings.
Electronics Manufacturing: Removes flux residues, fingerprints, and contaminants from circuit boards and sensitive components.
Pharmaceutical Compounding: Solvent and disinfectant used in formulation of topical antiseptics and pharmaceutical preparations.
Surface Preparation: Degreases metal and plastic surfaces prior to painting, bonding, or coating operations.
Ink & Coating Solvent: Carrier solvent for printing inks, lacquers, and coating formulations requiring fast evaporation.

Safety Precautions

Isopropyl Alcohol is a flammable liquid and vapor. Keep away from heat, sparks, open flames, and hot surfaces. Store in a cool, well-ventilated area in original containers. Ensure proper grounding and bonding during transfer to prevent static discharge.

PPE Requirements: Wear protective gloves, eye protection, and face protection when handling. Use only outdoors or in a well-ventilated area to avoid breathing vapors. In case of eye contact, rinse cautiously with water. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.

Shipping: UN 1219, Isopropanol, Class 3, PG II.

Benefits

Optimized Concentration: Pre-diluted to the ideal strength for specific applications without on-site mixing.
Fast Evaporation: Dries quickly leaving minimal residue for efficient cleaning and preparation workflows.
Versatile Packaging: Available from quart bottles to IBC totes for any operational scale.

Related Products

Property	Value
Molecular Weight	60.10
Formula	C3H8O
Assay	50%
Grade	USP
Flash Point	12°C (pure)
Form	Liquid
Solubility	Fully miscible with water
Appearance	Clear, colorless liquid with mild alcohol odor
Melting Point	-89°C
Boiling Point	82°C
Specific Gravity	0.91
Industry	Electronics & Semiconductor, Healthcare & Pharma, Industrial & Manufacturing

Frequently Asked Questions About Isopropyl Alcohol 50% USP Grade

What is Isopropyl Alcohol 50% USP Grade and what is its chemical formula?

Isopropyl Alcohol 50% USP Grade is a chemical compound with the molecular formula C3H8O, registered under CAS Number 67-63-0 by the Chemical Abstracts Service (PubChem), with a molecular weight of 60.10 g/mol. Alliance Chemical supplies Isopropyl Alcohol 50% USP Grade in USP grade for laboratory, industrial, and commercial applications.

What are the physical properties of Isopropyl Alcohol 50% USP Grade?

According to the NIOSH Pocket Guide to Chemical Hazards, Isopropyl Alcohol 50% USP Grade is supplied as a clear, colorless liquid with mild alcohol odor. It has a melting point of -89°C°C, a boiling point of 82°C°C, a flash point of 12°C (pure). The specific gravity is 0.91 relative to water. Solubility: Fully miscible with water.

What grade and purity of Isopropyl Alcohol 50% USP Grade does Alliance Chemical offer?

Alliance Chemical offers Isopropyl Alcohol 50% USP Grade in USP grade with a purity assay of 50%. 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 Isopropyl Alcohol 50% USP Grade?

Isopropyl Alcohol 50% USP Grade serves a wide range of sectors, including Electronics & Semiconductor, Healthcare & Pharma, and Industrial & Manufacturing.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.

What PPE is required when handling Isopropyl Alcohol 50% USP 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 Isopropyl Alcohol 50% USP 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 Isopropyl Alcohol 50% USP 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 Isopropyl Alcohol 50% USP Grade?

DOT Classification per 49 CFR 172.101:UNUN1219, Hazard Class3, Packing GroupII. 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 Isopropyl Alcohol 50% USP 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 Isopropyl Alcohol 50% USP Grade?

Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Isopropyl Alcohol 50% USP 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.