Sulfuric Acid 70%

Category : Acids

$28.60
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Other Grades & Concentrations

Available in other grades and concentrations:

Sulfuric Acid 96% ACS Grade
From $28.60
CAS: 7664-93-9 H2SO4
Sulfuric Acid 93% Technical Grade
From $29.15
CAS: 7664-93-9 H2SO4
Sulfuric Acid 37% - Battery Acid
From $27.50
CAS: 7664-93-9 H2SO4
Sulfuric Acid 30%
From $27.23
CAS: 7664-93-9 H2SO4
$28.60
Other Grades & Concentrations

Available in other grades and concentrations:

Sulfuric Acid 96% ACS Grade
From $28.60
CAS: 7664-93-9 H2SO4
Sulfuric Acid 93% Technical Grade
From $29.15
CAS: 7664-93-9 H2SO4
Sulfuric Acid 37% - Battery Acid
From $27.50
CAS: 7664-93-9 H2SO4
Sulfuric Acid 30%
From $27.23
CAS: 7664-93-9 H2SO4

Sulfuric Acid 70%

$28.60

Commercial Fulfillment Snapshot

Buy Sulfuric Acid 70% 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
  • Lead-acid battery manufacturers
  • Chemical synthesis companies
  • Water treatment facilities
  • Pharmaceutical manufacturers
  • Laboratory & research facilities
Purity / Grade Guide
  • Industrial & lab applications
  • Verified purity, COA included
  • Suitable for commercial processes
  • Balanced strength & manageability
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
  • UN 1830 Class 8 PG II
  • Complete SDS included
  • COA with every shipment
  • DOT hazmat shipping compliant
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 Sulfuric Acid 70% Laboratory Grade

Sulfuric Acid 70% Laboratory Grade delivers a specific, intermediate concentration optimized for analytical testing methodologies and specialized chemical processing environments that require exact baseline measurements. As a clear viscous liquid featuring complete water miscibility, this 70% solution provides strong acid interaction while mitigating the intense fuming and extreme exothermic reactions typically associated with concentrations exceeding 90%. Buyers in institutional research, wastewater management, and industrial manufacturing select this grade to ensure reliable, reproducible chemical interactions, allowing facilities to standardize their dilution protocols and integrate the liquid directly into existing precision dosing equipment.

Best Applications for This Grade

  • Commonly applied in industrial wastewater treatment facilities to drive rapid pH reduction and maintain strict effluent compliance prior to heavy metal precipitation and final system discharge.
  • Commonly applied in complex chemical processing operations to function as a controlled acid catalyst for specific esterification and alkylation reactions, where the 70% concentration helps limit unwanted dehydration side reactions that often occur at higher acid strengths.
  • Commonly applied in analytical laboratory environments to serve as a reliable baseline reagent for preparing dilute standard solutions, standardizing analytical instruments, and facilitating wet chemistry material digestions requiring targeted, strong acid interactions.
  • Commonly applied in specialized metal finishing and surface preparation operations to execute controlled etching, oxide removal, and descaling on metal substrates prior to electroplating, leveraging the complete water miscibility to ensure uniform acid distribution across the treated surface.

When to Choose a Different Grade

  • If your laboratory protocols demand adherence to strict American Chemical Society purity monographs and trace-level impurity limits for highly sensitive instrumental analysis, select Sulfuric Acid 96% ACS Grade.
  • If your industrial facility requires maximum acidic strength and extreme dehydration capability for bulk chemical manufacturing operations or heavy raw material processing, choose Sulfuric Acid 93% Technical Grade.
  • If your operation involves manufacturing, rebuilding, or maintaining lead-acid power storage systems and requires an exact concentration optimized for chemical electron transfer, select Sulfuric Acid 37% - Battery Acid or Sulfuric Acid 50% - Electrolyte Grade.
  • If your facility maintenance department requires an aggressive, targeted formulation designed specifically to break down complex organic matter and clear severe plumbing blockages, select Drain Hammer - Sulfuric Acid Drain Cleaner.
  • If your process requires a pre-diluted, milder acidic solution to perform minor, incremental pH adjustments in cooling towers or water systems without risking immediate over-acidification, choose Sulfuric Acid 30%.
Property Value
Molecular Weight 98.08
Formula H2SO4
Assay 69-71%
Grade Technical
Flash Point Not applicable
Form Liquid
Solubility Soluble in water, exothermic reaction
Appearance Clear, colorless to slightly yellow liquid
Melting Point 10
Boiling Point 338
Specific Gravity 1.184
Industry Automotive, Chemical Manufacturing, Water Treatment, Pharmaceutical, Laboratory

Frequently Asked Questions About Sulfuric Acid 70%

What is Sulfuric Acid 70% and what is its chemical formula?
Sulfuric Acid 70% is a chemical compound with the molecular formula H2SO4, registered under CAS Number 7664-93-9 by the Chemical Abstracts Service (PubChem), with a molecular weight of 98.08 g/mol g/mol. Alliance Chemical supplies Sulfuric Acid 70% in Technical grade for laboratory, industrial, and commercial applications.
What are the physical properties of Sulfuric Acid 70%?
According to the NIOSH Pocket Guide to Chemical Hazards, Sulfuric Acid 70% is supplied as a clear viscous liquid. It has a melting point of 10°C°C, a boiling point of 337°C°C, a flash point of Not applicable. The specific gravity is 1.607 relative to water. Solubility: Complete water miscibility, strong acid interaction.
What grade and purity of Sulfuric Acid 70% does Alliance Chemical offer?
Alliance Chemical offers Sulfuric Acid 70% in Technical grade with a purity assay of 70%. 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 Sulfuric Acid 70%?
Sulfuric Acid 70% serves a wide range of sectors, including Chemical Processing, 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 Sulfuric Acid 70%?
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. 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 Sulfuric Acid 70%?
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:bases, reactive metals, organic materials. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for Sulfuric Acid 70%?
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)Carefully neutralize with sodium bicarbonate (5-10% solution), monitor exothermic reaction. (7) Collect in DOT-approved containers, label as hazardous waste. Reportable Quantity: 1000 lbs. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.
What is the DOT shipping classification for Sulfuric Acid 70%?
DOT Classification per 49 CFR 172.101:UN1830, 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 Sulfuric Acid 70% 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 Sulfuric Acid 70%?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Sulfuric Acid 70%. 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.