Fuming sulfuric acid

High SO₃ content for superior sulfonation and dehydration - engineered for processes where standard acid falls short.
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Product Description

Oleum 27% / 65% / Fuming sulfuric acid 27% / 65%:
Experience the unmatched potency of LANXESS Fuming Sulfuric Acid — a high-reactivity, SO₃-rich solution engineered for demanding industrial processes. Its exceptional dehydrating and sulfonating power enhance efficiency in critical chemical syntheses. Backed by ISO-certified handling and robust safety protocols, it ensures compliant, secure supply. Trusted by B2B experts, it delivers precision, material compatibility, and expert support to elevate your operations.
 
THESE SPECIAL FEATURES MAKE THIS PRODUCT SO SUCCESSFUL
  • High SO₃ content  –  more reactive than standard sulfuric acid, ideal for dehydration and sulfonation
  • Versatile catalyst  –  accelerates complex syntheses in dyes, pharmaceuticals, and petrochemicals
  • Robust handling protocols  –  specialized packaging, training, and logistics manage its corrosive fuming nature
  • Trusted B2B safety support  –  full documentation, compliance, and application expertise available
 
THE MOST COMMON AREAS OF APPLICATION
  • Chemical synthesis  –  key reagent for sulfonation, nitration, and dehydration reactions
  • Explosives and nitrocellulose  –  generates nitronium ions for nitration in explosives
  • Fertilizer production  –  used to produce phosphoric acid from phosphate rock
  • Dye & pigment manufacturing  – essential for producing stable color compounds

Molecular Formula

H2SO4.SO3

Molar weight

80.1

CAS (CAS Number)

8014-95-7

Chemical synthesis

Manufacturing of dyestuffs

Petroleum

Fuming sulfuric acid

Oleum 20%

THAT'S WHY LANXESS

As a leading specialty chemicals company, we offer much more than high-quality products: we stand for reliability, innovative strength and partnership-based thinking. But you are at the centre of everything we do: our customers. Our customers benefit from tailor-made solutions, global presence and a deep understanding of their markets. Discover eleven compelling reasons why LANXESS is the right partner for your business.

YOU ARE AT THE CENTRE OF EVERYTHING WE DO: OUR CUSTOMERS.

Frank Weiler

Köln

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