Basic Chemicals · Hyderabad, India

Oleum (H2S2O7)

Oleum manufactured in Hyderabad in standard free-SO3 strengths, including 30% — supplied in bulk and by tanker for sulphonation and industrial use.

Overview

About Oleum

Oleum (H2S2O7) is sulphuric acid containing dissolved sulphur trioxide (free SO3), used mainly for sulphonation in detergents, dyes and industrial intermediates.

We manufacture it at our Kazipally IDA plant near Hyderabad in standard free-SO3 strengths, including 30%, supplied in bulk and by tanker.

Applications

  • Sulphonation reactions
  • Detergent intermediates
  • Dyes and pigments
  • Industrial intermediates
  • Chemical processing

Product details

Chemical formula
H2S2O7
CAS number
8014-95-7
Strengths
Standard free-SO3 strengths incl. 30%
Division
Basic Chemicals
Supply
Bulk · Tanker

Spec sheets

Oleum 30%Spec Sheet

A batch-specific Certificate of Analysis accompanies every dispatch.

FAQ

Frequently asked questions

Oleum is used in sulphonation reactions for detergents, dyes, and pharmaceutical intermediates, and in processes requiring free SO₃ content beyond what sulphuric acid provides.

Oleum is supplied in bulk tankers of 20, 25, or 30 MT net weight.

No. Oleum is supplied in tanker loads only; drum or custom packing is not offered.

Typical lead time is 1–2 days from the date of purchase order.

Yes. Samples are provided on request, with a typical sample size of 5 kg.

Need a quotation for Oleum?

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