Sodium Hydroxide 50% Solution ACS Grade

Category : Bases

$22.09
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Other Grades & Concentrations

Available in other grades and concentrations:

Sodium Hydroxide 30% ACS Grade
From $16.91
CAS: 1310-73-2 NaOH
Sodium Hydroxide 25% ACS Grade
From $21.20
CAS: 1310-73-2 NaOH
Sodium Hydroxide 20% ACS Grade
From $15.92
CAS: 1310-73-2 NaOH
Sodium Hydroxide 15% ACS Grade
From $15.42
CAS: 1310-73-2 NaOH
$22.09
Other Grades & Concentrations

Available in other grades and concentrations:

Sodium Hydroxide 30% ACS Grade
From $16.91
CAS: 1310-73-2 NaOH
Sodium Hydroxide 25% ACS Grade
From $21.20
CAS: 1310-73-2 NaOH
Sodium Hydroxide 20% ACS Grade
From $15.92
CAS: 1310-73-2 NaOH
Sodium Hydroxide 15% ACS Grade
From $15.42
CAS: 1310-73-2 NaOH

Sodium Hydroxide 50% Solution ACS Grade

$22.09

Commercial Fulfillment Snapshot

Buy Sodium Hydroxide 50% Solution 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.

Technical Documents

Lot-specific COA is issued per shipment batch.

Who Buys This
  • Analytical testing laboratories
  • Pharmaceutical QC departments
  • Research institutions
  • Chemical manufacturing facilities
  • University chemistry programs
Purity / Grade Guide
  • ACS Grade meets reagent standards
  • High purity for lab applications
  • Precise assay 50% concentration verified by COA
  • Suitable for analytical procedures
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
  • SDS included
  • COA provided
  • UN 1824 Class 8 PG II
  • ACS reagent grade certification
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.

Why Sodium Hydroxide 50% Solution ACS Grade

Sodium Hydroxide 50% Solution ACS Grade meets strict American Chemical Society purity specifications, making it the required choice for rigorous analytical testing and precise environmental control processes where trace impurities must be strictly limited. By delivering a highly soluble, clear, colorless liquid at a stable 50% concentration, this ready-to-use format entirely eliminates the intense exothermic risks and labor-intensive dissolving steps associated with solid dry forms. Industrial buyers requiring stringent quality control rely on this exact specification to maintain tight pH parameters, drive predictable reaction kinetics, and achieve accurate volumetric dosing across demanding wastewater and laboratory applications.

Best Applications for This Grade

  • Commonly applied in advanced industrial wastewater treatment facilities to neutralize highly acidic effluent streams and precisely precipitate heavy metals, where the strict ACS purity standard prevents the introduction of unwanted trace contaminants into critical discharge systems.
  • Commonly applied in chemical formulation and specialty soap manufacturing, where the pre-dissolved 50% liquid accelerates the saponification process and eliminates the prolonged mixing times required when starting with solid raw materials.
  • Commonly applied in analytical laboratories, pilot plants, and research facilities as a reliable reagent for precise pH adjustment and titration protocols, leveraging the highly soluble nature of the solution for exact, repeatable dosing.
  • Commonly applied in sensitive metal processing and surface etching operations that demand a strong, clear, colorless base to strip away oxides and organic residues without depositing secondary mineral impurities onto the metal substrates.

When to Choose a Different Grade

  • If facility infrastructure or specific process engineering requires a less concentrated high-purity solution to lower the freezing point, mitigate immediate exothermic reactions, or reduce onsite dilution workloads, select Sodium Hydroxide 25% ACS Grade.
  • If strict analytical purity is unnecessary for bulk industrial neutralization and a standard technical specification safely meets operational parameters, choose Sodium Hydroxide 50% Membrane Grade (Caustic Soda, Lye) to optimize procurement.
  • If formulation operations dictate creating highly customized concentrations on demand, or require dry material to minimize liquid freight weight while still strictly demanding analytical purity, opt for Sodium Hydroxide Flakes ACS Grade.
  • If the facility demands a dry, solid base for heavy industrial compounding, standard cleaning chemical manufacturing, or bulk pH control without stringent laboratory purity requirements, utilize Sodium Hydroxide Flakes.
Property Value
Molecular Weight 40.00
Formula NaOH
Assay 49-51%
Grade ACS Grade
Form Liquid
Solubility Soluble in water
Appearance Clear, colorless to slightly yellow liquid
Melting Point 318
Boiling Point 1390
Specific Gravity 1.52
Industry Water Treatment, Industrial, Cosmetics, Analytical Chemistry, Industrial Cleaning

Frequently Asked Questions About Sodium Hydroxide 50% Solution ACS Grade

What is Sodium Hydroxide 50% Solution ACS Grade and what is its chemical formula?
Sodium Hydroxide 50% Solution ACS Grade is a chemical compound with the molecular formula NaOH, registered under CAS Number 1310-73-2 by the Chemical Abstracts Service (PubChem), with a molecular weight of 40 g/mol. Alliance Chemical supplies Sodium Hydroxide 50% Solution ACS Grade in ACS Reagent grade for laboratory, industrial, and commercial applications.
What are the physical properties of Sodium Hydroxide 50% Solution ACS Grade?
According to the NIOSH Pocket Guide to Chemical Hazards, Sodium Hydroxide 50% Solution ACS Grade is supplied as a clear, colorless liquid. It has a melting point of 318°C (604.4°F)°C, a boiling point of 1390°C (2534°F)°C. The specific gravity is 1.53 relative to water. Solubility: Highly soluble in water and alcohol.
What grade and purity of Sodium Hydroxide 50% Solution ACS Grade does Alliance Chemical offer?
Alliance Chemical offers Sodium Hydroxide 50% Solution ACS Grade in ACS Reagent 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 Sodium Hydroxide 50% Solution ACS Grade?
Sodium Hydroxide 50% Solution ACS Grade serves a wide range of sectors, including Industrial & Manufacturing, and Water & Environmental.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling Sodium Hydroxide 50% Solution ACS Grade?
OSHA-mandated PPE per 29 CFR 1910.132-138:Chemical-resistant gloves (20+ mil neoprene or PVC), full face shield over safety goggles (ANSI Z87.1), acid-resistant apron or chemical suit, closed-toe chemical-resistant footwear. 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 Sodium Hydroxide 50% Solution ACS Grade?
Store perOSHA 29 CFR 1910.1450: Dedicated corrosives cabinet with secondary containment (110% volume per EPA 40 CFR 264.175). Temperature range:15-25°C. Segregate from:acids, aluminum, zinc. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for Sodium Hydroxide 50% Solution ACS Grade?
Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 50 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)Neutralize with citric acid or acetic acid (5% solution). (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 Sodium Hydroxide 50% Solution ACS Grade?
DOT Classification per 49 CFR 172.101:UN1824, Hazard Class8, 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 Sodium Hydroxide 50% Solution ACS Grade waste be disposed?
Disposal per RCRA (40 CFR 261-265):Characteristic waste D002 (Corrosive, pH ≤2 or ≥12.5). 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 Sodium Hydroxide 50% Solution ACS Grade?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Sodium Hydroxide 50% Solution 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.