339741

Sulfuric acid

99.999%

• Linear Formula: H₂SO₄
• CAS Number: 7664-93-9
• Molecular Weight: 98.08
• Beilstein: 2037554
• EC Number: 231-639-5
• MDL number: MFCD00064589
• PubChem Substance ID: 24860672
• NACRES: NA.22

Properties

• vapor density: <0.3 (25 °C, vs air)
• Quality Level: 200
• vapor pressure: 1 mmHg ( 146 °C)
• description: Nominally 95-98% H₂SO₄
• Assay: 99.999%
• form: viscous liquid
• color: clear
• pH: 1.2 (5 g/L)
• bp: ~290 °C (lit.)
• density: 1.840 g/mL at 25 °C (lit.)
• SMILES string: OS(O)(=O)=O
• InChI: 1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
• InChI key: QAOWNCQODCNURD-UHFFFAOYSA-N

Description

General description

Sulphuric acid may be prepared by catalytic oxidation of sulphur dioxide. It is a very strong electrolyte and has high affinity to water.

Application

Sulfuric acid can be used as a dehydrating agent, catalyst, and active reactant in the chemical industry. It is also used to prepare silica-sulfuric acid composite, which is used as a catalyst in organic synthesis.

Analysis Note

Purity based on trace metals

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H290 - H314
• Precautionary Statements: P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class Code: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves