© 2026 Sinochem Nanjing Corporation,
All Right Reserved
|
HS Code |
720560 |
| Chemical Name | Fuming Sulfuric Acid |
| Synonym | Oleum |
| Chemical Formula | H2SO4·xSO3 |
| Appearance | Colorless to pale yellow, fuming liquid |
| Odor | Pungent, choking |
| Molecular Weight | Depends on SO3 content; H2SO4 is 98.08 g/mol |
| Density | 1.92–1.99 g/cm3 (depending on SO3 concentration) |
| Boiling Point | Varies with composition; typically > 305°C (decomposes) |
| Melting Point | Varies with composition; around 10.5°C for 20% free SO3 |
| Solubility In Water | Reacts violently with water; highly soluble |
| Ph | < 1 (extremely acidic) |
| Hazard Class | Corrosive, oxidizer |
| Cas Number | 8014-95-7 |
| Un Number | UN 1831 |
As an accredited Fuming Sulfuric Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 2.5-liter brown glass bottle, tightly sealed, features hazard labels and bold “Fuming Sulfuric Acid” text, emphasizing corrosive content. |
| Shipping | Fuming sulfuric acid must be shipped in tightly sealed, corrosion-resistant containers clearly labeled with hazard information. Transport is subject to strict regulations due to its highly corrosive and reactive nature. It should be kept upright, away from incompatible materials, and handled by trained personnel using appropriate protective equipment. |
| Storage | Fuming sulfuric acid should be stored in tightly sealed, corrosion-resistant containers made of glass or PTFE, in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances such as organic materials and water. Storage areas must have appropriate acid-resistant flooring and be equipped with spill containment and emergency washing facilities. Access should be limited to trained personnel only. |
|
Concentration 20%: Fuming Sulfuric Acid concentration 20% is used in sulfonation reactions for dye production, where it enables rapid and complete sulfonic group introduction. SO₃ Content 30%: Fuming Sulfuric Acid SO₃ content 30% is used in explosives manufacturing, where it ensures high nitration yields and product consistency. Purity 99%: Fuming Sulfuric Acid purity 99% is used in the synthesis of pharmaceutical intermediates, where it provides high selectivity and reduces byproduct formation. Stability temperature 40°C: Fuming Sulfuric Acid stability temperature 40°C is used in laboratory fuming chambers, where it minimizes decomposition and maintains reagent effectiveness. Viscosity grade low: Fuming Sulfuric Acid viscosity grade low is used for catalyst regeneration in petroleum refinement, where it enhances ease of handling and efficient catalyst recovery. Molecular weight 98.08 g/mol: Fuming Sulfuric Acid molecular weight 98.08 g/mol is used in battery separator etching, where it achieves controlled etch depth and precise membrane formation. |
Competitive Fuming Sulfuric Acid prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
