About Oleum - 23%
Oleum - 23%
CAS No.: 8014-95-7
Formula : H2O7S2
Appereance : Clear Colorlrss Liquid
Free Sulphur Trioxide : 23% Min
Residue On Ignition : 0.20% Max
Iron(as Fe): 0.05% Max
Chlorides (as Cl): 0.02% Max
Total Nitrogen (as HnoH3): 0.005% Max
Sulphur Dioxide (as So2): 0.2% Max
End Use : In Dye Intermediates
Safety and Handling PrecautionsDue to its strong oxidizing properties and high corrosivity, Oleum demands careful handling. Protective clothing, gloves, and eye protection are essential, as contact causes severe burns and eye damage. Always keep containers tightly sealed in dry, well-ventilated areas, and avoid even minor water contact, which can trigger violent exothermic reactions.
Applications in IndustryOleum - 23% is a crucial agent in the chemical industry, especially in dye and pigment manufacturing, nitration, and sulphonation processes. Its strong reactivity and fuming nature make it valuable for advanced synthesis operations and as a laboratory reagent, contributing to the production of numerous industrial intermediates.
Transport and Storage GuidelinesOleum is classified under UN Number 1831, Packing Group II, and Transport Hazard Class 8 due to its corrosive properties. It is transported in HDPE drums or tankers per safety regulations. Proper storage extends the products shelf life up to two years while minimizing environmental hazard and ensuring user safety.
FAQs of Oleum - 23%:
Q: How should Oleum - 23% be safely stored and handled in an industrial setting?
A: Oleum must be stored in tightly closed HDPE containers in a cool, dry, well-ventilated area, strictly away from water, moisture, and incompatible substances. Personnel should always wear protective clothing, gloves, and eye protection while handling to prevent severe burns and injuries.
Q: What is Oleum - 23% commonly used for in chemical processes?
A: Oleum - 23% is widely used in dye and pigment manufacturing, nitration and sulphonation reactions, laboratory applications, and as an intermediate in chemical synthesis due to its strong oxidizing and reactive properties.
Q: When should Oleum be transported, and what precautions are necessary during transit?
A: Oleum should be transported only in approved HDPE drums or tankers, according to regulations for hazardous materials (UN 1831, Class 8, Packing Group II). Transport must avoid exposure to moisture, physical impacts, and ensure containers are securely sealed to prevent leaks and environmental hazards.
Q: Where is Oleum - 23% typically applied within industrial settings?
A: It is indispensable in chemical plants, dye and pigment manufacturing facilities, research laboratories, and various synthesis applications, wherever strong sulphonating or nitrating agents are required.
Q: What process precautions are necessary when diluting or using Oleum with water?
A: Oleum reacts violently and exothermically with water. Always add Oleum to water very slowly, ideally under controlled laboratory conditions with adequate safety solutions and equipment to contain potential heat and fumes.
Q: How does Oleum benefit industrial chemical synthesis over other acids?
A: Oleums high SO3 content and strong oxidizing abilities enable more efficient and targeted reactions, especially in complex sulphonation and nitration, leading to higher product yields and purity in industrial processes.
Q: What should be done in case of accidental contact with Oleum?
A: In case of skin or eye contact, immediately flush the affected area with copious amounts of water for at least 15 minutes and seek medical attention at once. Always have emergency showers and eyewash stations accessible in areas where Oleum is handled.