Oleum 23%
Chemical Formula: H2S2O7
Properties:
Appearance: |
Clear to off white liquid |
Sp Gravity at 300C: |
1.916 at 4C (39 F) |
Boiling point: |
1400C (284 F) at 760 mm Hg |
Attacks many metals with liberation of hydrogen, which is inflammable and forms explosive mixture, Hygroscopic in nature, oxidizing agent.
Specification:
Sulphuric Acid: |
104.50% min |
Free SO3: |
23.0% min |
Iron (as Fe): |
0.05% max |
Residue on ignition: |
0.02% max |
Sulphur dioxide (as SO2): |
0.02% max |
Chloride (as Cl): |
0.02% max |
Arsenic (as As) : |
Less than 1 ppm |
Copper (as Cu): |
Less than 1 ppm |
Lead (as Pb): |
Less than 3 ppm |
Mercury (as Hg): |
Less than 0.5 ppm |
Cadmium (as Cd): |
Less than 1 ppm |
Turbidity: |
Less than 50 ntu |
Applications:
⇒ Sulphonating agent for organic and alizarin dyestuff.
⇒ Dehydrating agent in nitration reactions. Used for manufacturing dyes & explosives. Used as Lab reagents.
Dangers and Precautions for Handling Product:
⇒ Toxic by ingestion
⇒ Causes severe damage to eyes, skin & air passage
⇒ Reaction with moist air produces mist, which has severe irritant effect on eyes, skin & air passage
⇒ Store the material in stainless steel or HM HDPE containers. Avoid contact with moisture
⇒ Fire risk in contact with organic substances.
Packing:
⇒ ISO tanks / tanker load.