Sulfuric acid is a colorless to light yellow oily liquid commonly used as a strong acid in laboratories and industry. CAS 7664-93-9 EC 231-639-5| Chemical Reagents net

It is essential in various industrial processes and chemical reactions. It requires careful handling due to its corrosive nature and is crucial in both industrial applications and laboratory settings as a versatile acid catalyst.

General Information

Name: Sulfuric Acid
CAS Number: 7664-93-9
Molecular Weight: 98.08
Molecular Formula: H2SO4
MDL Number: MFCD00064589
EC Number: 231-639-5
Sulfuric Acid is a highly corrosive mineral acid used in various industrial processes and laboratory applications.

Brand and Packaging

Brand: KeShi
Packaging: 500ml × 20 bottles/case

Physical Properties

Appearance: Clear to slightly yellow viscous liquid
Density: ~1.84 g/cm³
Melting Point: 10.36°C
Boiling Point: 337°C
Solubility: Miscible with water, exothermic reaction

Chemical Properties

Acidity (pKa): -3 (first dissociation), very strong acid
Reactivity: Highly reactive with water and many organic compounds

Structural Formula

       O
       ||
H-O-S-OH
   |
   OH

Quality inspection report

| Product Name | Specification | Lot Number  | Molecular Formula | Molecular Weight | Lot Size | Inspection Unit | Sample Category | Report Date | Inspection Basis |
|--------------|---------------|-------------|-------------------|------------------|----------|-----------------|-----------------|-------------|------------------|
| Sulfuric Acid | Electronic Grade | 2023112701 | H2SO4             | 98.08            | 2900kg   | Production Unit | Inorganic       | 2023.11.29  | Enterprise Standard |

| Test Item                       | Standard Requirement | Test Result |
|---------------------------------|----------------------|-------------|
| Content,%                        | 95.0～98.0            | 97.4        |
| Appearance                      | Colorless transparent liquid | Colorless transparent liquid |
| Color, Hazen units              | ≤10                  | <10         |
| Particles (≥0.5μm), particles/mL | ≤25                  | <25         |
| Particles (≥0.3μm), particles/mL | ≤150                 | <150        |
| Particles (≥0.2μm), particles/mL | ≤300                 | <300        |
| Chloride (Cl), ppb               | ≤200                 | <200        |
| Phosphate (PO4), ppb            | ≤200                 | <200        |
| Nitrate (NO3), ppb              | ≤200                 | <200        |
| Aluminum (Al), Arsenic (As), Barium (Ba), Tin (Sn), ppb | ≤10 | <10         |
| Beryllium (Be), Bismuth (Bi), Boron (B), Zinc (Zn), ppb | ≤10 | <10         |
| Cadmium (Cd), Calcium (Ca), Chromium (Cr), Vanadium (V), ppb | ≤10 | <10         |
| Cobalt (Co), Copper (Cu), Gallium (Ga), Tantalum (Ta), ppb | ≤10 | <10         |
| Germanium (Ge), Iron (Fe), Lead (Pb), Titanium (Ti), ppb | ≤10 | <10         |
| Lithium (Li), Magnesium (Mg), Manganese (Mn), Thallium (Tl), ppb | ≤10 | <10         |
| Molybdenum (Mo), Nickel (Ni), Niobium (Nb), Zirconium (Zr), ppb | ≤10 | <10         |
| Potassium (K), Sodium (Na), Strontium (Sr), ppb | ≤10 | <10         |
| Gold (Au), Silver (Ag), ppb      | ≤10                  | <10         |

Analysis Conclusion:
Meets the requirements of the enterprise standard.

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