Sulphuric Acid 98%
Sulphuric Acid 98% is a dense, highly corrosive, and strong mineral acid widely used as a fundamental chemical reagent and industrial raw material. It serves as a key component in fertilizer production, chemical synthesis, petroleum refining, and many other industrial processes. The 98% concentration is the concentrated, nearly pure form commonly utilized for manufacturing and processing applications demanding high acid strength and purity.
Primary Uses
Fertilizer Industry
Phosphoric Acid Production: Used to produce phosphoric acid from phosphate rock for phosphate fertilizers.
Manufacture of Sulfate Fertilizers: Produces ammonium sulfate and other sulfate-based fertilizers.
Chemical Industry
Intermediate & Catalyst: Utilized in synthesis of chemicals including hydrochloric acid, nitric acid, dyes, pigments, and detergents.
pH Adjustment: Used for acidifying or neutralizing alkaline solutions.
Petroleum Industry
Catalyst in Refining: Employed in alkylation and refining processes to improve gasoline quality.
Secondary Uses
Metal Processing
Pickling Agent: Removes rust and scale from steel and other metals before further processing.
Electroplating & Battery Acid: Used as electrolyte in lead-acid batteries and electroplating baths.
Textile Industry
Processing Aid: Used in dyeing and finishing processes.
Laboratories
Reagent & Cleaning Agent: Used in analytical chemistry and for cleaning glassware.
Wastewater Treatment
pH Control: Adjusts pH and neutralizes alkaline waste streams.
Basic Identification Attributes
Chemical Name (IUPAC): Sulfuric acid
Common/Trade Name: Sulphuric Acid 98%
CAS Number: 7664-93-9
HS Code: 2807.00.00
Synonyms: Oil of vitriol, battery acid
Physical & Chemical Properties
Physical State: Clear, colorless to slightly yellow, viscous liquid
Color & Odor: Colorless or pale yellow; odorless
Density: Approx. 1.84 g/cm³
Boiling Point: 337 °C (decomposes)
Melting Point: 10 °C
Solubility: Miscible with water (exothermic reaction)
pH: Highly acidic (pH < 1)
Safety & Hazard Attributes
GHS Classification: Corrosive to skin and eyes; causes severe burns
Toxicity: Highly corrosive and reactive; inhalation of fumes hazardous
Exposure Limits: OSHA PEL: 1 mg/m³ (ceiling)
Storage & Handling Attributes
Storage Conditions: Store in corrosion-resistant containers in cool, dry, well-ventilated areas away from incompatible substances like organics, bases, and oxidizers
Container Type: Acid-resistant drums, tanks, or containers
Shelf Life: Stable indefinitely under proper storage
Handling Precautions: Use acid-resistant PPE; add acid to water, never vice versa
Regulatory & Compliance Attributes
Complies with international chemical safety regulations (REACH, OSHA, GHS)
Manufactured under Good Manufacturing Practices (GMP)
Meets transport regulations for corrosive liquids
Environmental & Health Impact
Biodegradability: Not biodegradable; highly reactive
Ecotoxicity: Harmful to aquatic life; avoid environmental release
Bioaccumulation: Not applicable
PPE Required: Acid-resistant gloves, goggles, face shield, and protective clothing
Handling Guidelines: Use in well-ventilated areas; avoid contact with skin, eyes, and inhalation of fumes
Storage Measures: Keep containers sealed and stored away from incompatible materials
First Aid Measures
Inhalation: Move to fresh air; seek immediate medical attention if breathing difficulty occurs
Skin Contact: Rinse immediately with plenty of water for at least 15 minutes; remove contaminated clothing; get urgent medical help
Eye Contact: Flush eyes with water continuously for 15-30 minutes; seek emergency medical treatment
Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical attention
Firefighting Measures
Fire Hazards: Non-flammable but reacts violently with water and organic materials
Extinguishing Media: Use water spray or fog, dry chemical, foam, or COâ‚‚
Hazardous Combustion Products: Sulfur oxides and toxic gases