Sulfuric Acid
| Formula: | H₂SO₄ |
| CAS Number: | 7664-93-9 |
| EC Number (EINECS): | 231-639-5 |
| HS Code: | 28070000 |
| UN Number: | 1830 (for concentrated solutions, ≥51%); UN2796 (for dilute solutions, 15–51%) |
| IUPAC Name: | Sulfuric Acid |
| Also Known As: | Oil of Vitriol; Hydrogen Sulfate |
| Molecular Weight, g/mol: | 98.08 |
Typical Specifications
| Appearance: | Clear, oily, colorless to slightly yellow liquid |
| Odor: | Odorless |
| Melting Point, °C: | 10.3 |
| Boiling Point, °C: | 337 |
| Density, g/cm³ (at 20°C): | 1.84 (concentrated, 98%) |
| Flash Point, °C: | Non-flammable |
| pH (1% solution): | <1 |
| Vapor Pressure (at 20°C): | <0.001 mmHg |
| Purity, %: | 92–98 (Commercial/Industrial Grade), 99.5 (Battery/CP Grade) |
| Grades Available: | Industrial, Technical, Battery Grade, CP Grade |
| Packaging: | 35kg carboys, 250kg HDPE drums, 1000kg IBCs, bulk ISO tanks |
Applications / Uses
Primary Applications
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Production of fertilizers (phosphates, ammonium sulfate)
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Essential raw material in chemical synthesis (dyes, detergents, explosives)
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Used in petroleum refining for alkylation and dehydration
Secondary Applications
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Battery acid in lead-acid storage batteries
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Metal processing (pickling, electroplating)
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Wastewater treatment and pH control
End Industries Served: Fertilizers, Chemicals, Petroleum, Automotive, Metals & Mining, Water Treatment, Explosives, Detergents
Safety & Handling Information
Hazard Class (GHS): Corrosive (Category 1A), Oxidizing, Environmental Hazard
Hazard Statements (H-Codes):
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H314: Causes severe skin burns and eye damage
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H290: May be corrosive to metals
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H335: May cause respiratory irritation
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye/face protection
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P301 + P330 + P331: IF SWALLOWED – rinse mouth, do not induce vomiting
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P303 + P361 + P353: IF ON SKIN – remove contaminated clothing, rinse with water
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water for several minutes
Storage Conditions
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Store in corrosion-resistant containers (HDPE, glass-lined, or lead-lined tanks)
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Keep away from moisture, heat, and organic materials
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Always add acid to water, never water to acid
Transport Information
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ADR/RID: Class 8, UN1830/2796, PG II
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IMDG: Class 8, UN1830/2796
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IATA: Class 8, UN1830/2796