Sulfuric Acid

Sulfuric Acid

CAS Number
7664-93-9
Molecular Formula
H2O4S
Strong Mineral AcidHydrogen SulfateREACH (EU) RegisteredISO Plant Manufacturer Sulfuric Acid

About Sulfuric Acid

Sulphuric acid (CAS 7664-93-9) is seeing an unprecedented strategic pivot within the United States advanced materials ecosystem, particularly as domestic semiconductor fabrication facilities rapidly scale up and demand ultra-pure, electronic-grade variants for critical silicon wafer cleaning and microchip etching proce...

Synonyms

  • sulfuric acid
  • SULFURIC ACID
  • 7664-93-9
  • Sulphuric acid
  • Dihydrogen sulfate

Sulfuric Acid Specifications

CAS Number
7664-93-9
Molecular Formula
H2O4S
IUPAC Name
sulfuric acid
Canonical SMILES
OS(=O)(=O)O
InChI Key
QAOWNCQODCNURD-UHFFFAOYSA-N
InChI
1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
EINECS Number
231-639-5
MDL Number
MFCD00076651
UNSPSC Code
12352101
Appearance
Colorless to slightly yellow, viscous liquid
Concentration
Typically 95–98% (Commercial Grade); Battery Grade ~30–35%
Density
1.84 g/cm³ (at 25°C for 98%)
Boiling Point
~337°C
Melting Point
~10°C
Solubility
Miscible with water (highly exothermic reaction)
Viscosity
Highly viscous, increases with concentration
Hazard Classification
This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200)
Hazard Statements
H314: Causes severe skin burns and eye damage H290: May be corrosive to metals

Industrial Uses

*Fertilizer manufacturing (phosphate fertilizers) *Petrochemical refining (alkylation processes) *Pickling agent for metal surfaces *pH adjustment in water treatment plants *Catalyst in chemical synthesis (nitration, sulfonation)

Energy Sector

*Electrolyte for lead-acid batteries (Battery Grade)

Other

*Cleaning agents, Laboratory reagent, Paper bleaching

Specific End Use

*Critical for fertilizer plants, chemical manufacturers, and metal processing industries *Used by battery manufacturers for electrolyte preparation *Supplied for municipal water treatment plants and pharmaceutical intermediates production

Additional Features

*Available in various concentrations: Industrial (98%), Reagent (ACS), Battery Grade (30–35%) *Delivered in bulk tanks, drums, or ISO tank containers *High chemical stability and long shelf life under proper storage

Agriculture and Fertilizers

A crucial reactant used to convert phosphate rock into phosphoric acid for the manufacturing of phosphate fertilizers

Battery Manufacturing

An essential electrolyte utilized in lead-acid batteries to facilitate energy storage for automotive and backup power systems

Metal Processing

A powerful cleaning agent applied in steel pickling to remove rust, scale, and impurities from metal surfaces

Chemical Manufacturing

A foundational raw material and catalyst employed in the synthesis of hydrochloric acid, nitric acid, dyes, and synthetic detergents

Storage Temp

Store below 40°C; avoid extreme heat

Packaging

Bulk ISO tanks, IBCs, 200 L HDPE drums

Shelf Life

Stable under sealed conditions; unlimited if moisture ingress is avoided

Transport

UN 1830 | Class 8 | Packing Group II

  1. sulfuric acid
  2. SULFURIC ACID
  3. 7664-93-9
  4. Sulphuric acid
  5. Dihydrogen sulfate

Sulfuric Acid FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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